1614 lines
54 KiB
Python
1614 lines
54 KiB
Python
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from io import StringIO
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from sympy.core import symbols, Eq, pi, Catalan, Lambda, Dummy
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from sympy.core.relational import Equality
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from sympy.core.symbol import Symbol
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from sympy.functions.special.error_functions import erf
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from sympy.integrals.integrals import Integral
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from sympy.matrices import Matrix, MatrixSymbol
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from sympy.utilities.codegen import (
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codegen, make_routine, CCodeGen, C89CodeGen, C99CodeGen, InputArgument,
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CodeGenError, FCodeGen, CodeGenArgumentListError, OutputArgument,
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InOutArgument)
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from sympy.testing.pytest import raises
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from sympy.utilities.lambdify import implemented_function
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#FIXME: Fails due to circular import in with core
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# from sympy import codegen
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def get_string(dump_fn, routines, prefix="file", header=False, empty=False):
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"""Wrapper for dump_fn. dump_fn writes its results to a stream object and
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this wrapper returns the contents of that stream as a string. This
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auxiliary function is used by many tests below.
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The header and the empty lines are not generated to facilitate the
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testing of the output.
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"""
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output = StringIO()
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dump_fn(routines, output, prefix, header, empty)
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source = output.getvalue()
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output.close()
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return source
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def test_Routine_argument_order():
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a, x, y, z = symbols('a x y z')
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expr = (x + y)*z
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raises(CodeGenArgumentListError, lambda: make_routine("test", expr,
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argument_sequence=[z, x]))
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raises(CodeGenArgumentListError, lambda: make_routine("test", Eq(a,
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expr), argument_sequence=[z, x, y]))
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r = make_routine('test', Eq(a, expr), argument_sequence=[z, x, a, y])
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assert [ arg.name for arg in r.arguments ] == [z, x, a, y]
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assert [ type(arg) for arg in r.arguments ] == [
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InputArgument, InputArgument, OutputArgument, InputArgument ]
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r = make_routine('test', Eq(z, expr), argument_sequence=[z, x, y])
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assert [ type(arg) for arg in r.arguments ] == [
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InOutArgument, InputArgument, InputArgument ]
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from sympy.tensor import IndexedBase, Idx
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A, B = map(IndexedBase, ['A', 'B'])
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m = symbols('m', integer=True)
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i = Idx('i', m)
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r = make_routine('test', Eq(A[i], B[i]), argument_sequence=[B, A, m])
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assert [ arg.name for arg in r.arguments ] == [B.label, A.label, m]
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expr = Integral(x*y*z, (x, 1, 2), (y, 1, 3))
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r = make_routine('test', Eq(a, expr), argument_sequence=[z, x, a, y])
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assert [ arg.name for arg in r.arguments ] == [z, x, a, y]
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def test_empty_c_code():
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code_gen = C89CodeGen()
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source = get_string(code_gen.dump_c, [])
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assert source == "#include \"file.h\"\n#include <math.h>\n"
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def test_empty_c_code_with_comment():
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code_gen = C89CodeGen()
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source = get_string(code_gen.dump_c, [], header=True)
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assert source[:82] == (
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"/******************************************************************************\n *"
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)
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# " Code generated with SymPy 0.7.2-git "
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assert source[158:] == ( "*\n"
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" * *\n"
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" * See http://www.sympy.org/ for more information. *\n"
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" * *\n"
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" * This file is part of 'project' *\n"
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" ******************************************************************************/\n"
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"#include \"file.h\"\n"
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"#include <math.h>\n"
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)
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def test_empty_c_header():
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code_gen = C99CodeGen()
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source = get_string(code_gen.dump_h, [])
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assert source == "#ifndef PROJECT__FILE__H\n#define PROJECT__FILE__H\n#endif\n"
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def test_simple_c_code():
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x, y, z = symbols('x,y,z')
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expr = (x + y)*z
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routine = make_routine("test", expr)
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code_gen = C89CodeGen()
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source = get_string(code_gen.dump_c, [routine])
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expected = (
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"#include \"file.h\"\n"
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"#include <math.h>\n"
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"double test(double x, double y, double z) {\n"
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" double test_result;\n"
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" test_result = z*(x + y);\n"
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" return test_result;\n"
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"}\n"
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)
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assert source == expected
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def test_c_code_reserved_words():
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x, y, z = symbols('if, typedef, while')
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expr = (x + y) * z
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routine = make_routine("test", expr)
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code_gen = C99CodeGen()
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source = get_string(code_gen.dump_c, [routine])
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expected = (
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"#include \"file.h\"\n"
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"#include <math.h>\n"
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"double test(double if_, double typedef_, double while_) {\n"
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" double test_result;\n"
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" test_result = while_*(if_ + typedef_);\n"
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" return test_result;\n"
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"}\n"
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)
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assert source == expected
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def test_numbersymbol_c_code():
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routine = make_routine("test", pi**Catalan)
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code_gen = C89CodeGen()
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source = get_string(code_gen.dump_c, [routine])
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expected = (
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"#include \"file.h\"\n"
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"#include <math.h>\n"
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"double test() {\n"
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" double test_result;\n"
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" double const Catalan = %s;\n"
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" test_result = pow(M_PI, Catalan);\n"
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" return test_result;\n"
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"}\n"
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) % Catalan.evalf(17)
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assert source == expected
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def test_c_code_argument_order():
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x, y, z = symbols('x,y,z')
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expr = x + y
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routine = make_routine("test", expr, argument_sequence=[z, x, y])
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code_gen = C89CodeGen()
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source = get_string(code_gen.dump_c, [routine])
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expected = (
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"#include \"file.h\"\n"
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"#include <math.h>\n"
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"double test(double z, double x, double y) {\n"
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" double test_result;\n"
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" test_result = x + y;\n"
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" return test_result;\n"
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"}\n"
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)
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assert source == expected
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def test_simple_c_header():
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x, y, z = symbols('x,y,z')
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expr = (x + y)*z
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routine = make_routine("test", expr)
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code_gen = C89CodeGen()
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source = get_string(code_gen.dump_h, [routine])
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expected = (
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"#ifndef PROJECT__FILE__H\n"
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"#define PROJECT__FILE__H\n"
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"double test(double x, double y, double z);\n"
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"#endif\n"
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)
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assert source == expected
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def test_simple_c_codegen():
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x, y, z = symbols('x,y,z')
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expr = (x + y)*z
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expected = [
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("file.c",
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"#include \"file.h\"\n"
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"#include <math.h>\n"
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"double test(double x, double y, double z) {\n"
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" double test_result;\n"
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" test_result = z*(x + y);\n"
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" return test_result;\n"
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"}\n"),
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("file.h",
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"#ifndef PROJECT__FILE__H\n"
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"#define PROJECT__FILE__H\n"
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"double test(double x, double y, double z);\n"
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"#endif\n")
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]
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result = codegen(("test", expr), "C", "file", header=False, empty=False)
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assert result == expected
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def test_multiple_results_c():
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x, y, z = symbols('x,y,z')
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expr1 = (x + y)*z
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expr2 = (x - y)*z
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routine = make_routine(
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"test",
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[expr1, expr2]
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)
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code_gen = C99CodeGen()
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raises(CodeGenError, lambda: get_string(code_gen.dump_h, [routine]))
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def test_no_results_c():
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raises(ValueError, lambda: make_routine("test", []))
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def test_ansi_math1_codegen():
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# not included: log10
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from sympy.functions.elementary.complexes import Abs
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from sympy.functions.elementary.exponential import log
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from sympy.functions.elementary.hyperbolic import (cosh, sinh, tanh)
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from sympy.functions.elementary.integers import (ceiling, floor)
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from sympy.functions.elementary.miscellaneous import sqrt
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from sympy.functions.elementary.trigonometric import (acos, asin, atan, cos, sin, tan)
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x = symbols('x')
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name_expr = [
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("test_fabs", Abs(x)),
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("test_acos", acos(x)),
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("test_asin", asin(x)),
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("test_atan", atan(x)),
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("test_ceil", ceiling(x)),
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("test_cos", cos(x)),
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("test_cosh", cosh(x)),
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("test_floor", floor(x)),
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("test_log", log(x)),
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("test_ln", log(x)),
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("test_sin", sin(x)),
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("test_sinh", sinh(x)),
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("test_sqrt", sqrt(x)),
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("test_tan", tan(x)),
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("test_tanh", tanh(x)),
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]
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result = codegen(name_expr, "C89", "file", header=False, empty=False)
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assert result[0][0] == "file.c"
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assert result[0][1] == (
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'#include "file.h"\n#include <math.h>\n'
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'double test_fabs(double x) {\n double test_fabs_result;\n test_fabs_result = fabs(x);\n return test_fabs_result;\n}\n'
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'double test_acos(double x) {\n double test_acos_result;\n test_acos_result = acos(x);\n return test_acos_result;\n}\n'
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'double test_asin(double x) {\n double test_asin_result;\n test_asin_result = asin(x);\n return test_asin_result;\n}\n'
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'double test_atan(double x) {\n double test_atan_result;\n test_atan_result = atan(x);\n return test_atan_result;\n}\n'
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'double test_ceil(double x) {\n double test_ceil_result;\n test_ceil_result = ceil(x);\n return test_ceil_result;\n}\n'
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'double test_cos(double x) {\n double test_cos_result;\n test_cos_result = cos(x);\n return test_cos_result;\n}\n'
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'double test_cosh(double x) {\n double test_cosh_result;\n test_cosh_result = cosh(x);\n return test_cosh_result;\n}\n'
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'double test_floor(double x) {\n double test_floor_result;\n test_floor_result = floor(x);\n return test_floor_result;\n}\n'
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'double test_log(double x) {\n double test_log_result;\n test_log_result = log(x);\n return test_log_result;\n}\n'
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'double test_ln(double x) {\n double test_ln_result;\n test_ln_result = log(x);\n return test_ln_result;\n}\n'
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'double test_sin(double x) {\n double test_sin_result;\n test_sin_result = sin(x);\n return test_sin_result;\n}\n'
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'double test_sinh(double x) {\n double test_sinh_result;\n test_sinh_result = sinh(x);\n return test_sinh_result;\n}\n'
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'double test_sqrt(double x) {\n double test_sqrt_result;\n test_sqrt_result = sqrt(x);\n return test_sqrt_result;\n}\n'
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'double test_tan(double x) {\n double test_tan_result;\n test_tan_result = tan(x);\n return test_tan_result;\n}\n'
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'double test_tanh(double x) {\n double test_tanh_result;\n test_tanh_result = tanh(x);\n return test_tanh_result;\n}\n'
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)
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assert result[1][0] == "file.h"
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assert result[1][1] == (
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'#ifndef PROJECT__FILE__H\n#define PROJECT__FILE__H\n'
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'double test_fabs(double x);\ndouble test_acos(double x);\n'
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'double test_asin(double x);\ndouble test_atan(double x);\n'
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'double test_ceil(double x);\ndouble test_cos(double x);\n'
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'double test_cosh(double x);\ndouble test_floor(double x);\n'
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'double test_log(double x);\ndouble test_ln(double x);\n'
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'double test_sin(double x);\ndouble test_sinh(double x);\n'
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'double test_sqrt(double x);\ndouble test_tan(double x);\n'
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'double test_tanh(double x);\n#endif\n'
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)
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def test_ansi_math2_codegen():
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# not included: frexp, ldexp, modf, fmod
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from sympy.functions.elementary.trigonometric import atan2
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x, y = symbols('x,y')
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name_expr = [
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("test_atan2", atan2(x, y)),
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("test_pow", x**y),
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]
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result = codegen(name_expr, "C89", "file", header=False, empty=False)
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assert result[0][0] == "file.c"
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assert result[0][1] == (
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'#include "file.h"\n#include <math.h>\n'
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'double test_atan2(double x, double y) {\n double test_atan2_result;\n test_atan2_result = atan2(x, y);\n return test_atan2_result;\n}\n'
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'double test_pow(double x, double y) {\n double test_pow_result;\n test_pow_result = pow(x, y);\n return test_pow_result;\n}\n'
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)
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assert result[1][0] == "file.h"
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assert result[1][1] == (
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'#ifndef PROJECT__FILE__H\n#define PROJECT__FILE__H\n'
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'double test_atan2(double x, double y);\n'
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'double test_pow(double x, double y);\n'
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'#endif\n'
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)
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def test_complicated_codegen():
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from sympy.functions.elementary.trigonometric import (cos, sin, tan)
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x, y, z = symbols('x,y,z')
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name_expr = [
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("test1", ((sin(x) + cos(y) + tan(z))**7).expand()),
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("test2", cos(cos(cos(cos(cos(cos(cos(cos(x + y + z))))))))),
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]
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result = codegen(name_expr, "C89", "file", header=False, empty=False)
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assert result[0][0] == "file.c"
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assert result[0][1] == (
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'#include "file.h"\n#include <math.h>\n'
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'double test1(double x, double y, double z) {\n'
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' double test1_result;\n'
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' test1_result = '
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'pow(sin(x), 7) + '
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'7*pow(sin(x), 6)*cos(y) + '
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'7*pow(sin(x), 6)*tan(z) + '
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'21*pow(sin(x), 5)*pow(cos(y), 2) + '
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|
|
'42*pow(sin(x), 5)*cos(y)*tan(z) + '
|
||
|
|
'21*pow(sin(x), 5)*pow(tan(z), 2) + '
|
||
|
|
'35*pow(sin(x), 4)*pow(cos(y), 3) + '
|
||
|
|
'105*pow(sin(x), 4)*pow(cos(y), 2)*tan(z) + '
|
||
|
|
'105*pow(sin(x), 4)*cos(y)*pow(tan(z), 2) + '
|
||
|
|
'35*pow(sin(x), 4)*pow(tan(z), 3) + '
|
||
|
|
'35*pow(sin(x), 3)*pow(cos(y), 4) + '
|
||
|
|
'140*pow(sin(x), 3)*pow(cos(y), 3)*tan(z) + '
|
||
|
|
'210*pow(sin(x), 3)*pow(cos(y), 2)*pow(tan(z), 2) + '
|
||
|
|
'140*pow(sin(x), 3)*cos(y)*pow(tan(z), 3) + '
|
||
|
|
'35*pow(sin(x), 3)*pow(tan(z), 4) + '
|
||
|
|
'21*pow(sin(x), 2)*pow(cos(y), 5) + '
|
||
|
|
'105*pow(sin(x), 2)*pow(cos(y), 4)*tan(z) + '
|
||
|
|
'210*pow(sin(x), 2)*pow(cos(y), 3)*pow(tan(z), 2) + '
|
||
|
|
'210*pow(sin(x), 2)*pow(cos(y), 2)*pow(tan(z), 3) + '
|
||
|
|
'105*pow(sin(x), 2)*cos(y)*pow(tan(z), 4) + '
|
||
|
|
'21*pow(sin(x), 2)*pow(tan(z), 5) + '
|
||
|
|
'7*sin(x)*pow(cos(y), 6) + '
|
||
|
|
'42*sin(x)*pow(cos(y), 5)*tan(z) + '
|
||
|
|
'105*sin(x)*pow(cos(y), 4)*pow(tan(z), 2) + '
|
||
|
|
'140*sin(x)*pow(cos(y), 3)*pow(tan(z), 3) + '
|
||
|
|
'105*sin(x)*pow(cos(y), 2)*pow(tan(z), 4) + '
|
||
|
|
'42*sin(x)*cos(y)*pow(tan(z), 5) + '
|
||
|
|
'7*sin(x)*pow(tan(z), 6) + '
|
||
|
|
'pow(cos(y), 7) + '
|
||
|
|
'7*pow(cos(y), 6)*tan(z) + '
|
||
|
|
'21*pow(cos(y), 5)*pow(tan(z), 2) + '
|
||
|
|
'35*pow(cos(y), 4)*pow(tan(z), 3) + '
|
||
|
|
'35*pow(cos(y), 3)*pow(tan(z), 4) + '
|
||
|
|
'21*pow(cos(y), 2)*pow(tan(z), 5) + '
|
||
|
|
'7*cos(y)*pow(tan(z), 6) + '
|
||
|
|
'pow(tan(z), 7);\n'
|
||
|
|
' return test1_result;\n'
|
||
|
|
'}\n'
|
||
|
|
'double test2(double x, double y, double z) {\n'
|
||
|
|
' double test2_result;\n'
|
||
|
|
' test2_result = cos(cos(cos(cos(cos(cos(cos(cos(x + y + z))))))));\n'
|
||
|
|
' return test2_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
assert result[1][0] == "file.h"
|
||
|
|
assert result[1][1] == (
|
||
|
|
'#ifndef PROJECT__FILE__H\n'
|
||
|
|
'#define PROJECT__FILE__H\n'
|
||
|
|
'double test1(double x, double y, double z);\n'
|
||
|
|
'double test2(double x, double y, double z);\n'
|
||
|
|
'#endif\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_loops_c():
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
from sympy.core.symbol import symbols
|
||
|
|
n, m = symbols('n m', integer=True)
|
||
|
|
A = IndexedBase('A')
|
||
|
|
x = IndexedBase('x')
|
||
|
|
y = IndexedBase('y')
|
||
|
|
i = Idx('i', m)
|
||
|
|
j = Idx('j', n)
|
||
|
|
|
||
|
|
(f1, code), (f2, interface) = codegen(
|
||
|
|
('matrix_vector', Eq(y[i], A[i, j]*x[j])), "C99", "file", header=False, empty=False)
|
||
|
|
|
||
|
|
assert f1 == 'file.c'
|
||
|
|
expected = (
|
||
|
|
'#include "file.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'void matrix_vector(double *A, int m, int n, double *x, double *y) {\n'
|
||
|
|
' for (int i=0; i<m; i++){\n'
|
||
|
|
' y[i] = 0;\n'
|
||
|
|
' }\n'
|
||
|
|
' for (int i=0; i<m; i++){\n'
|
||
|
|
' for (int j=0; j<n; j++){\n'
|
||
|
|
' y[i] = %(rhs)s + y[i];\n'
|
||
|
|
' }\n'
|
||
|
|
' }\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
assert (code == expected % {'rhs': 'A[%s]*x[j]' % (i*n + j)} or
|
||
|
|
code == expected % {'rhs': 'A[%s]*x[j]' % (j + i*n)} or
|
||
|
|
code == expected % {'rhs': 'x[j]*A[%s]' % (i*n + j)} or
|
||
|
|
code == expected % {'rhs': 'x[j]*A[%s]' % (j + i*n)})
|
||
|
|
assert f2 == 'file.h'
|
||
|
|
assert interface == (
|
||
|
|
'#ifndef PROJECT__FILE__H\n'
|
||
|
|
'#define PROJECT__FILE__H\n'
|
||
|
|
'void matrix_vector(double *A, int m, int n, double *x, double *y);\n'
|
||
|
|
'#endif\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_dummy_loops_c():
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
i, m = symbols('i m', integer=True, cls=Dummy)
|
||
|
|
x = IndexedBase('x')
|
||
|
|
y = IndexedBase('y')
|
||
|
|
i = Idx(i, m)
|
||
|
|
expected = (
|
||
|
|
'#include "file.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'void test_dummies(int m_%(mno)i, double *x, double *y) {\n'
|
||
|
|
' for (int i_%(ino)i=0; i_%(ino)i<m_%(mno)i; i_%(ino)i++){\n'
|
||
|
|
' y[i_%(ino)i] = x[i_%(ino)i];\n'
|
||
|
|
' }\n'
|
||
|
|
'}\n'
|
||
|
|
) % {'ino': i.label.dummy_index, 'mno': m.dummy_index}
|
||
|
|
r = make_routine('test_dummies', Eq(y[i], x[i]))
|
||
|
|
c89 = C89CodeGen()
|
||
|
|
c99 = C99CodeGen()
|
||
|
|
code = get_string(c99.dump_c, [r])
|
||
|
|
assert code == expected
|
||
|
|
with raises(NotImplementedError):
|
||
|
|
get_string(c89.dump_c, [r])
|
||
|
|
|
||
|
|
def test_partial_loops_c():
|
||
|
|
# check that loop boundaries are determined by Idx, and array strides
|
||
|
|
# determined by shape of IndexedBase object.
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
from sympy.core.symbol import symbols
|
||
|
|
n, m, o, p = symbols('n m o p', integer=True)
|
||
|
|
A = IndexedBase('A', shape=(m, p))
|
||
|
|
x = IndexedBase('x')
|
||
|
|
y = IndexedBase('y')
|
||
|
|
i = Idx('i', (o, m - 5)) # Note: bounds are inclusive
|
||
|
|
j = Idx('j', n) # dimension n corresponds to bounds (0, n - 1)
|
||
|
|
|
||
|
|
(f1, code), (f2, interface) = codegen(
|
||
|
|
('matrix_vector', Eq(y[i], A[i, j]*x[j])), "C99", "file", header=False, empty=False)
|
||
|
|
|
||
|
|
assert f1 == 'file.c'
|
||
|
|
expected = (
|
||
|
|
'#include "file.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'void matrix_vector(double *A, int m, int n, int o, int p, double *x, double *y) {\n'
|
||
|
|
' for (int i=o; i<%(upperi)s; i++){\n'
|
||
|
|
' y[i] = 0;\n'
|
||
|
|
' }\n'
|
||
|
|
' for (int i=o; i<%(upperi)s; i++){\n'
|
||
|
|
' for (int j=0; j<n; j++){\n'
|
||
|
|
' y[i] = %(rhs)s + y[i];\n'
|
||
|
|
' }\n'
|
||
|
|
' }\n'
|
||
|
|
'}\n'
|
||
|
|
) % {'upperi': m - 4, 'rhs': '%(rhs)s'}
|
||
|
|
|
||
|
|
assert (code == expected % {'rhs': 'A[%s]*x[j]' % (i*p + j)} or
|
||
|
|
code == expected % {'rhs': 'A[%s]*x[j]' % (j + i*p)} or
|
||
|
|
code == expected % {'rhs': 'x[j]*A[%s]' % (i*p + j)} or
|
||
|
|
code == expected % {'rhs': 'x[j]*A[%s]' % (j + i*p)})
|
||
|
|
assert f2 == 'file.h'
|
||
|
|
assert interface == (
|
||
|
|
'#ifndef PROJECT__FILE__H\n'
|
||
|
|
'#define PROJECT__FILE__H\n'
|
||
|
|
'void matrix_vector(double *A, int m, int n, int o, int p, double *x, double *y);\n'
|
||
|
|
'#endif\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_output_arg_c():
|
||
|
|
from sympy.core.relational import Equality
|
||
|
|
from sympy.functions.elementary.trigonometric import (cos, sin)
|
||
|
|
x, y, z = symbols("x,y,z")
|
||
|
|
r = make_routine("foo", [Equality(y, sin(x)), cos(x)])
|
||
|
|
c = C89CodeGen()
|
||
|
|
result = c.write([r], "test", header=False, empty=False)
|
||
|
|
assert result[0][0] == "test.c"
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'double foo(double x, double *y) {\n'
|
||
|
|
' (*y) = sin(x);\n'
|
||
|
|
' double foo_result;\n'
|
||
|
|
' foo_result = cos(x);\n'
|
||
|
|
' return foo_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
assert result[0][1] == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_output_arg_c_reserved_words():
|
||
|
|
from sympy.core.relational import Equality
|
||
|
|
from sympy.functions.elementary.trigonometric import (cos, sin)
|
||
|
|
x, y, z = symbols("if, while, z")
|
||
|
|
r = make_routine("foo", [Equality(y, sin(x)), cos(x)])
|
||
|
|
c = C89CodeGen()
|
||
|
|
result = c.write([r], "test", header=False, empty=False)
|
||
|
|
assert result[0][0] == "test.c"
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'double foo(double if_, double *while_) {\n'
|
||
|
|
' (*while_) = sin(if_);\n'
|
||
|
|
' double foo_result;\n'
|
||
|
|
' foo_result = cos(if_);\n'
|
||
|
|
' return foo_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
assert result[0][1] == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_multidim_c_argument_cse():
|
||
|
|
A_sym = MatrixSymbol('A', 3, 3)
|
||
|
|
b_sym = MatrixSymbol('b', 3, 1)
|
||
|
|
A = Matrix(A_sym)
|
||
|
|
b = Matrix(b_sym)
|
||
|
|
c = A*b
|
||
|
|
cgen = CCodeGen(project="test", cse=True)
|
||
|
|
r = cgen.routine("c", c)
|
||
|
|
r.arguments[-1].result_var = "out"
|
||
|
|
r.arguments[-1]._name = "out"
|
||
|
|
code = get_string(cgen.dump_c, [r], prefix="test")
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
"#include <math.h>\n"
|
||
|
|
"void c(double *A, double *b, double *out) {\n"
|
||
|
|
" out[0] = A[0]*b[0] + A[1]*b[1] + A[2]*b[2];\n"
|
||
|
|
" out[1] = A[3]*b[0] + A[4]*b[1] + A[5]*b[2];\n"
|
||
|
|
" out[2] = A[6]*b[0] + A[7]*b[1] + A[8]*b[2];\n"
|
||
|
|
"}\n"
|
||
|
|
)
|
||
|
|
assert code == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_ccode_results_named_ordered():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
B, C = symbols('B,C')
|
||
|
|
A = MatrixSymbol('A', 1, 3)
|
||
|
|
expr1 = Equality(A, Matrix([[1, 2, x]]))
|
||
|
|
expr2 = Equality(C, (x + y)*z)
|
||
|
|
expr3 = Equality(B, 2*x)
|
||
|
|
name_expr = ("test", [expr1, expr2, expr3])
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'void test(double x, double *C, double z, double y, double *A, double *B) {\n'
|
||
|
|
' (*C) = z*(x + y);\n'
|
||
|
|
' A[0] = 1;\n'
|
||
|
|
' A[1] = 2;\n'
|
||
|
|
' A[2] = x;\n'
|
||
|
|
' (*B) = 2*x;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
result = codegen(name_expr, "c", "test", header=False, empty=False,
|
||
|
|
argument_sequence=(x, C, z, y, A, B))
|
||
|
|
source = result[0][1]
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_ccode_matrixsymbol_slice():
|
||
|
|
A = MatrixSymbol('A', 5, 3)
|
||
|
|
B = MatrixSymbol('B', 1, 3)
|
||
|
|
C = MatrixSymbol('C', 1, 3)
|
||
|
|
D = MatrixSymbol('D', 5, 1)
|
||
|
|
name_expr = ("test", [Equality(B, A[0, :]),
|
||
|
|
Equality(C, A[1, :]),
|
||
|
|
Equality(D, A[:, 2])])
|
||
|
|
result = codegen(name_expr, "c99", "test", header=False, empty=False)
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'void test(double *A, double *B, double *C, double *D) {\n'
|
||
|
|
' B[0] = A[0];\n'
|
||
|
|
' B[1] = A[1];\n'
|
||
|
|
' B[2] = A[2];\n'
|
||
|
|
' C[0] = A[3];\n'
|
||
|
|
' C[1] = A[4];\n'
|
||
|
|
' C[2] = A[5];\n'
|
||
|
|
' D[0] = A[2];\n'
|
||
|
|
' D[1] = A[5];\n'
|
||
|
|
' D[2] = A[8];\n'
|
||
|
|
' D[3] = A[11];\n'
|
||
|
|
' D[4] = A[14];\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
def test_ccode_cse():
|
||
|
|
a, b, c, d = symbols('a b c d')
|
||
|
|
e = MatrixSymbol('e', 3, 1)
|
||
|
|
name_expr = ("test", [Equality(e, Matrix([[a*b], [a*b + c*d], [a*b*c*d]]))])
|
||
|
|
generator = CCodeGen(cse=True)
|
||
|
|
result = codegen(name_expr, code_gen=generator, header=False, empty=False)
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'void test(double a, double b, double c, double d, double *e) {\n'
|
||
|
|
' const double x0 = a*b;\n'
|
||
|
|
' const double x1 = c*d;\n'
|
||
|
|
' e[0] = x0;\n'
|
||
|
|
' e[1] = x0 + x1;\n'
|
||
|
|
' e[2] = x0*x1;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
def test_ccode_unused_array_arg():
|
||
|
|
x = MatrixSymbol('x', 2, 1)
|
||
|
|
# x does not appear in output
|
||
|
|
name_expr = ("test", 1.0)
|
||
|
|
generator = CCodeGen()
|
||
|
|
result = codegen(name_expr, code_gen=generator, header=False, empty=False, argument_sequence=(x,))
|
||
|
|
source = result[0][1]
|
||
|
|
# note: x should appear as (double *)
|
||
|
|
expected = (
|
||
|
|
'#include "test.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'double test(double *x) {\n'
|
||
|
|
' double test_result;\n'
|
||
|
|
' test_result = 1.0;\n'
|
||
|
|
' return test_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
def test_empty_f_code():
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [])
|
||
|
|
assert source == ""
|
||
|
|
|
||
|
|
|
||
|
|
def test_empty_f_code_with_header():
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [], header=True)
|
||
|
|
assert source[:82] == (
|
||
|
|
"!******************************************************************************\n!*"
|
||
|
|
)
|
||
|
|
# " Code generated with SymPy 0.7.2-git "
|
||
|
|
assert source[158:] == ( "*\n"
|
||
|
|
"!* *\n"
|
||
|
|
"!* See http://www.sympy.org/ for more information. *\n"
|
||
|
|
"!* *\n"
|
||
|
|
"!* This file is part of 'project' *\n"
|
||
|
|
"!******************************************************************************\n"
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_empty_f_header():
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_h, [])
|
||
|
|
assert source == ""
|
||
|
|
|
||
|
|
|
||
|
|
def test_simple_f_code():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
expr = (x + y)*z
|
||
|
|
routine = make_routine("test", expr)
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [routine])
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function test(x, y, z)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"test = z*(x + y)\n"
|
||
|
|
"end function\n"
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_numbersymbol_f_code():
|
||
|
|
routine = make_routine("test", pi**Catalan)
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [routine])
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function test()\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, parameter :: Catalan = %sd0\n"
|
||
|
|
"REAL*8, parameter :: pi = %sd0\n"
|
||
|
|
"test = pi**Catalan\n"
|
||
|
|
"end function\n"
|
||
|
|
) % (Catalan.evalf(17), pi.evalf(17))
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
def test_erf_f_code():
|
||
|
|
x = symbols('x')
|
||
|
|
routine = make_routine("test", erf(x) - erf(-2 * x))
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [routine])
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function test(x)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"test = erf(x) + erf(2.0d0*x)\n"
|
||
|
|
"end function\n"
|
||
|
|
)
|
||
|
|
assert source == expected, source
|
||
|
|
|
||
|
|
def test_f_code_argument_order():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
expr = x + y
|
||
|
|
routine = make_routine("test", expr, argument_sequence=[z, x, y])
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [routine])
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function test(z, x, y)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"test = x + y\n"
|
||
|
|
"end function\n"
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_simple_f_header():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
expr = (x + y)*z
|
||
|
|
routine = make_routine("test", expr)
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_h, [routine])
|
||
|
|
expected = (
|
||
|
|
"interface\n"
|
||
|
|
"REAL*8 function test(x, y, z)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"end function\n"
|
||
|
|
"end interface\n"
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_simple_f_codegen():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
expr = (x + y)*z
|
||
|
|
result = codegen(
|
||
|
|
("test", expr), "F95", "file", header=False, empty=False)
|
||
|
|
expected = [
|
||
|
|
("file.f90",
|
||
|
|
"REAL*8 function test(x, y, z)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"test = z*(x + y)\n"
|
||
|
|
"end function\n"),
|
||
|
|
("file.h",
|
||
|
|
"interface\n"
|
||
|
|
"REAL*8 function test(x, y, z)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"end function\n"
|
||
|
|
"end interface\n")
|
||
|
|
]
|
||
|
|
assert result == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_multiple_results_f():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
expr1 = (x + y)*z
|
||
|
|
expr2 = (x - y)*z
|
||
|
|
routine = make_routine(
|
||
|
|
"test",
|
||
|
|
[expr1, expr2]
|
||
|
|
)
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
raises(CodeGenError, lambda: get_string(code_gen.dump_h, [routine]))
|
||
|
|
|
||
|
|
|
||
|
|
def test_no_results_f():
|
||
|
|
raises(ValueError, lambda: make_routine("test", []))
|
||
|
|
|
||
|
|
|
||
|
|
def test_intrinsic_math_codegen():
|
||
|
|
# not included: log10
|
||
|
|
from sympy.functions.elementary.complexes import Abs
|
||
|
|
from sympy.functions.elementary.exponential import log
|
||
|
|
from sympy.functions.elementary.hyperbolic import (cosh, sinh, tanh)
|
||
|
|
from sympy.functions.elementary.miscellaneous import sqrt
|
||
|
|
from sympy.functions.elementary.trigonometric import (acos, asin, atan, cos, sin, tan)
|
||
|
|
x = symbols('x')
|
||
|
|
name_expr = [
|
||
|
|
("test_abs", Abs(x)),
|
||
|
|
("test_acos", acos(x)),
|
||
|
|
("test_asin", asin(x)),
|
||
|
|
("test_atan", atan(x)),
|
||
|
|
("test_cos", cos(x)),
|
||
|
|
("test_cosh", cosh(x)),
|
||
|
|
("test_log", log(x)),
|
||
|
|
("test_ln", log(x)),
|
||
|
|
("test_sin", sin(x)),
|
||
|
|
("test_sinh", sinh(x)),
|
||
|
|
("test_sqrt", sqrt(x)),
|
||
|
|
("test_tan", tan(x)),
|
||
|
|
("test_tanh", tanh(x)),
|
||
|
|
]
|
||
|
|
result = codegen(name_expr, "F95", "file", header=False, empty=False)
|
||
|
|
assert result[0][0] == "file.f90"
|
||
|
|
expected = (
|
||
|
|
'REAL*8 function test_abs(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_abs = abs(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_acos(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_acos = acos(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_asin(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_asin = asin(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_atan(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_atan = atan(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_cos(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_cos = cos(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_cosh(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_cosh = cosh(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_log(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_log = log(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_ln(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_ln = log(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_sin(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_sin = sin(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_sinh(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_sinh = sinh(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_sqrt(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_sqrt = sqrt(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_tan(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_tan = tan(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_tanh(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'test_tanh = tanh(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
)
|
||
|
|
assert result[0][1] == expected
|
||
|
|
|
||
|
|
assert result[1][0] == "file.h"
|
||
|
|
expected = (
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_abs(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_acos(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_asin(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_atan(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_cos(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_cosh(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_log(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_ln(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_sin(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_sinh(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_sqrt(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_tan(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_tanh(x)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
)
|
||
|
|
assert result[1][1] == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_intrinsic_math2_codegen():
|
||
|
|
# not included: frexp, ldexp, modf, fmod
|
||
|
|
from sympy.functions.elementary.trigonometric import atan2
|
||
|
|
x, y = symbols('x,y')
|
||
|
|
name_expr = [
|
||
|
|
("test_atan2", atan2(x, y)),
|
||
|
|
("test_pow", x**y),
|
||
|
|
]
|
||
|
|
result = codegen(name_expr, "F95", "file", header=False, empty=False)
|
||
|
|
assert result[0][0] == "file.f90"
|
||
|
|
expected = (
|
||
|
|
'REAL*8 function test_atan2(x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'test_atan2 = atan2(x, y)\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test_pow(x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'test_pow = x**y\n'
|
||
|
|
'end function\n'
|
||
|
|
)
|
||
|
|
assert result[0][1] == expected
|
||
|
|
|
||
|
|
assert result[1][0] == "file.h"
|
||
|
|
expected = (
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_atan2(x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test_pow(x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
)
|
||
|
|
assert result[1][1] == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_complicated_codegen_f95():
|
||
|
|
from sympy.functions.elementary.trigonometric import (cos, sin, tan)
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
name_expr = [
|
||
|
|
("test1", ((sin(x) + cos(y) + tan(z))**7).expand()),
|
||
|
|
("test2", cos(cos(cos(cos(cos(cos(cos(cos(x + y + z))))))))),
|
||
|
|
]
|
||
|
|
result = codegen(name_expr, "F95", "file", header=False, empty=False)
|
||
|
|
assert result[0][0] == "file.f90"
|
||
|
|
expected = (
|
||
|
|
'REAL*8 function test1(x, y, z)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'REAL*8, intent(in) :: z\n'
|
||
|
|
'test1 = sin(x)**7 + 7*sin(x)**6*cos(y) + 7*sin(x)**6*tan(z) + 21*sin(x) &\n'
|
||
|
|
' **5*cos(y)**2 + 42*sin(x)**5*cos(y)*tan(z) + 21*sin(x)**5*tan(z) &\n'
|
||
|
|
' **2 + 35*sin(x)**4*cos(y)**3 + 105*sin(x)**4*cos(y)**2*tan(z) + &\n'
|
||
|
|
' 105*sin(x)**4*cos(y)*tan(z)**2 + 35*sin(x)**4*tan(z)**3 + 35*sin( &\n'
|
||
|
|
' x)**3*cos(y)**4 + 140*sin(x)**3*cos(y)**3*tan(z) + 210*sin(x)**3* &\n'
|
||
|
|
' cos(y)**2*tan(z)**2 + 140*sin(x)**3*cos(y)*tan(z)**3 + 35*sin(x) &\n'
|
||
|
|
' **3*tan(z)**4 + 21*sin(x)**2*cos(y)**5 + 105*sin(x)**2*cos(y)**4* &\n'
|
||
|
|
' tan(z) + 210*sin(x)**2*cos(y)**3*tan(z)**2 + 210*sin(x)**2*cos(y) &\n'
|
||
|
|
' **2*tan(z)**3 + 105*sin(x)**2*cos(y)*tan(z)**4 + 21*sin(x)**2*tan &\n'
|
||
|
|
' (z)**5 + 7*sin(x)*cos(y)**6 + 42*sin(x)*cos(y)**5*tan(z) + 105* &\n'
|
||
|
|
' sin(x)*cos(y)**4*tan(z)**2 + 140*sin(x)*cos(y)**3*tan(z)**3 + 105 &\n'
|
||
|
|
' *sin(x)*cos(y)**2*tan(z)**4 + 42*sin(x)*cos(y)*tan(z)**5 + 7*sin( &\n'
|
||
|
|
' x)*tan(z)**6 + cos(y)**7 + 7*cos(y)**6*tan(z) + 21*cos(y)**5*tan( &\n'
|
||
|
|
' z)**2 + 35*cos(y)**4*tan(z)**3 + 35*cos(y)**3*tan(z)**4 + 21*cos( &\n'
|
||
|
|
' y)**2*tan(z)**5 + 7*cos(y)*tan(z)**6 + tan(z)**7\n'
|
||
|
|
'end function\n'
|
||
|
|
'REAL*8 function test2(x, y, z)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'REAL*8, intent(in) :: z\n'
|
||
|
|
'test2 = cos(cos(cos(cos(cos(cos(cos(cos(x + y + z))))))))\n'
|
||
|
|
'end function\n'
|
||
|
|
)
|
||
|
|
assert result[0][1] == expected
|
||
|
|
assert result[1][0] == "file.h"
|
||
|
|
expected = (
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test1(x, y, z)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'REAL*8, intent(in) :: z\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
'interface\n'
|
||
|
|
'REAL*8 function test2(x, y, z)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(in) :: y\n'
|
||
|
|
'REAL*8, intent(in) :: z\n'
|
||
|
|
'end function\n'
|
||
|
|
'end interface\n'
|
||
|
|
)
|
||
|
|
assert result[1][1] == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_loops():
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
from sympy.core.symbol import symbols
|
||
|
|
|
||
|
|
n, m = symbols('n,m', integer=True)
|
||
|
|
A, x, y = map(IndexedBase, 'Axy')
|
||
|
|
i = Idx('i', m)
|
||
|
|
j = Idx('j', n)
|
||
|
|
|
||
|
|
(f1, code), (f2, interface) = codegen(
|
||
|
|
('matrix_vector', Eq(y[i], A[i, j]*x[j])), "F95", "file", header=False, empty=False)
|
||
|
|
|
||
|
|
assert f1 == 'file.f90'
|
||
|
|
expected = (
|
||
|
|
'subroutine matrix_vector(A, m, n, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m\n'
|
||
|
|
'INTEGER*4, intent(in) :: n\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m, 1:n) :: A\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:n) :: x\n'
|
||
|
|
'REAL*8, intent(out), dimension(1:m) :: y\n'
|
||
|
|
'INTEGER*4 :: i\n'
|
||
|
|
'INTEGER*4 :: j\n'
|
||
|
|
'do i = 1, m\n'
|
||
|
|
' y(i) = 0\n'
|
||
|
|
'end do\n'
|
||
|
|
'do i = 1, m\n'
|
||
|
|
' do j = 1, n\n'
|
||
|
|
' y(i) = %(rhs)s + y(i)\n'
|
||
|
|
' end do\n'
|
||
|
|
'end do\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
assert code == expected % {'rhs': 'A(i, j)*x(j)'} or\
|
||
|
|
code == expected % {'rhs': 'x(j)*A(i, j)'}
|
||
|
|
assert f2 == 'file.h'
|
||
|
|
assert interface == (
|
||
|
|
'interface\n'
|
||
|
|
'subroutine matrix_vector(A, m, n, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m\n'
|
||
|
|
'INTEGER*4, intent(in) :: n\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m, 1:n) :: A\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:n) :: x\n'
|
||
|
|
'REAL*8, intent(out), dimension(1:m) :: y\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
'end interface\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_dummy_loops_f95():
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
i, m = symbols('i m', integer=True, cls=Dummy)
|
||
|
|
x = IndexedBase('x')
|
||
|
|
y = IndexedBase('y')
|
||
|
|
i = Idx(i, m)
|
||
|
|
expected = (
|
||
|
|
'subroutine test_dummies(m_%(mcount)i, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m_%(mcount)i\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m_%(mcount)i) :: x\n'
|
||
|
|
'REAL*8, intent(out), dimension(1:m_%(mcount)i) :: y\n'
|
||
|
|
'INTEGER*4 :: i_%(icount)i\n'
|
||
|
|
'do i_%(icount)i = 1, m_%(mcount)i\n'
|
||
|
|
' y(i_%(icount)i) = x(i_%(icount)i)\n'
|
||
|
|
'end do\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
) % {'icount': i.label.dummy_index, 'mcount': m.dummy_index}
|
||
|
|
r = make_routine('test_dummies', Eq(y[i], x[i]))
|
||
|
|
c = FCodeGen()
|
||
|
|
code = get_string(c.dump_f95, [r])
|
||
|
|
assert code == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_loops_InOut():
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
from sympy.core.symbol import symbols
|
||
|
|
|
||
|
|
i, j, n, m = symbols('i,j,n,m', integer=True)
|
||
|
|
A, x, y = symbols('A,x,y')
|
||
|
|
A = IndexedBase(A)[Idx(i, m), Idx(j, n)]
|
||
|
|
x = IndexedBase(x)[Idx(j, n)]
|
||
|
|
y = IndexedBase(y)[Idx(i, m)]
|
||
|
|
|
||
|
|
(f1, code), (f2, interface) = codegen(
|
||
|
|
('matrix_vector', Eq(y, y + A*x)), "F95", "file", header=False, empty=False)
|
||
|
|
|
||
|
|
assert f1 == 'file.f90'
|
||
|
|
expected = (
|
||
|
|
'subroutine matrix_vector(A, m, n, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m\n'
|
||
|
|
'INTEGER*4, intent(in) :: n\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m, 1:n) :: A\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:n) :: x\n'
|
||
|
|
'REAL*8, intent(inout), dimension(1:m) :: y\n'
|
||
|
|
'INTEGER*4 :: i\n'
|
||
|
|
'INTEGER*4 :: j\n'
|
||
|
|
'do i = 1, m\n'
|
||
|
|
' do j = 1, n\n'
|
||
|
|
' y(i) = %(rhs)s + y(i)\n'
|
||
|
|
' end do\n'
|
||
|
|
'end do\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
assert (code == expected % {'rhs': 'A(i, j)*x(j)'} or
|
||
|
|
code == expected % {'rhs': 'x(j)*A(i, j)'})
|
||
|
|
assert f2 == 'file.h'
|
||
|
|
assert interface == (
|
||
|
|
'interface\n'
|
||
|
|
'subroutine matrix_vector(A, m, n, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m\n'
|
||
|
|
'INTEGER*4, intent(in) :: n\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m, 1:n) :: A\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:n) :: x\n'
|
||
|
|
'REAL*8, intent(inout), dimension(1:m) :: y\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
'end interface\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_partial_loops_f():
|
||
|
|
# check that loop boundaries are determined by Idx, and array strides
|
||
|
|
# determined by shape of IndexedBase object.
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
from sympy.core.symbol import symbols
|
||
|
|
n, m, o, p = symbols('n m o p', integer=True)
|
||
|
|
A = IndexedBase('A', shape=(m, p))
|
||
|
|
x = IndexedBase('x')
|
||
|
|
y = IndexedBase('y')
|
||
|
|
i = Idx('i', (o, m - 5)) # Note: bounds are inclusive
|
||
|
|
j = Idx('j', n) # dimension n corresponds to bounds (0, n - 1)
|
||
|
|
|
||
|
|
(f1, code), (f2, interface) = codegen(
|
||
|
|
('matrix_vector', Eq(y[i], A[i, j]*x[j])), "F95", "file", header=False, empty=False)
|
||
|
|
|
||
|
|
expected = (
|
||
|
|
'subroutine matrix_vector(A, m, n, o, p, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m\n'
|
||
|
|
'INTEGER*4, intent(in) :: n\n'
|
||
|
|
'INTEGER*4, intent(in) :: o\n'
|
||
|
|
'INTEGER*4, intent(in) :: p\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m, 1:p) :: A\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:n) :: x\n'
|
||
|
|
'REAL*8, intent(out), dimension(1:%(iup-ilow)s) :: y\n'
|
||
|
|
'INTEGER*4 :: i\n'
|
||
|
|
'INTEGER*4 :: j\n'
|
||
|
|
'do i = %(ilow)s, %(iup)s\n'
|
||
|
|
' y(i) = 0\n'
|
||
|
|
'end do\n'
|
||
|
|
'do i = %(ilow)s, %(iup)s\n'
|
||
|
|
' do j = 1, n\n'
|
||
|
|
' y(i) = %(rhs)s + y(i)\n'
|
||
|
|
' end do\n'
|
||
|
|
'end do\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
) % {
|
||
|
|
'rhs': '%(rhs)s',
|
||
|
|
'iup': str(m - 4),
|
||
|
|
'ilow': str(1 + o),
|
||
|
|
'iup-ilow': str(m - 4 - o)
|
||
|
|
}
|
||
|
|
|
||
|
|
assert code == expected % {'rhs': 'A(i, j)*x(j)'} or\
|
||
|
|
code == expected % {'rhs': 'x(j)*A(i, j)'}
|
||
|
|
|
||
|
|
|
||
|
|
def test_output_arg_f():
|
||
|
|
from sympy.core.relational import Equality
|
||
|
|
from sympy.functions.elementary.trigonometric import (cos, sin)
|
||
|
|
x, y, z = symbols("x,y,z")
|
||
|
|
r = make_routine("foo", [Equality(y, sin(x)), cos(x)])
|
||
|
|
c = FCodeGen()
|
||
|
|
result = c.write([r], "test", header=False, empty=False)
|
||
|
|
assert result[0][0] == "test.f90"
|
||
|
|
assert result[0][1] == (
|
||
|
|
'REAL*8 function foo(x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'REAL*8, intent(in) :: x\n'
|
||
|
|
'REAL*8, intent(out) :: y\n'
|
||
|
|
'y = sin(x)\n'
|
||
|
|
'foo = cos(x)\n'
|
||
|
|
'end function\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_inline_function():
|
||
|
|
from sympy.tensor import IndexedBase, Idx
|
||
|
|
from sympy.core.symbol import symbols
|
||
|
|
n, m = symbols('n m', integer=True)
|
||
|
|
A, x, y = map(IndexedBase, 'Axy')
|
||
|
|
i = Idx('i', m)
|
||
|
|
p = FCodeGen()
|
||
|
|
func = implemented_function('func', Lambda(n, n*(n + 1)))
|
||
|
|
routine = make_routine('test_inline', Eq(y[i], func(x[i])))
|
||
|
|
code = get_string(p.dump_f95, [routine])
|
||
|
|
expected = (
|
||
|
|
'subroutine test_inline(m, x, y)\n'
|
||
|
|
'implicit none\n'
|
||
|
|
'INTEGER*4, intent(in) :: m\n'
|
||
|
|
'REAL*8, intent(in), dimension(1:m) :: x\n'
|
||
|
|
'REAL*8, intent(out), dimension(1:m) :: y\n'
|
||
|
|
'INTEGER*4 :: i\n'
|
||
|
|
'do i = 1, m\n'
|
||
|
|
' y(i) = %s*%s\n'
|
||
|
|
'end do\n'
|
||
|
|
'end subroutine\n'
|
||
|
|
)
|
||
|
|
args = ('x(i)', '(x(i) + 1)')
|
||
|
|
assert code == expected % args or\
|
||
|
|
code == expected % args[::-1]
|
||
|
|
|
||
|
|
|
||
|
|
def test_f_code_call_signature_wrap():
|
||
|
|
# Issue #7934
|
||
|
|
x = symbols('x:20')
|
||
|
|
expr = 0
|
||
|
|
for sym in x:
|
||
|
|
expr += sym
|
||
|
|
routine = make_routine("test", expr)
|
||
|
|
code_gen = FCodeGen()
|
||
|
|
source = get_string(code_gen.dump_f95, [routine])
|
||
|
|
expected = """\
|
||
|
|
REAL*8 function test(x0, x1, x10, x11, x12, x13, x14, x15, x16, x17, x18, &
|
||
|
|
x19, x2, x3, x4, x5, x6, x7, x8, x9)
|
||
|
|
implicit none
|
||
|
|
REAL*8, intent(in) :: x0
|
||
|
|
REAL*8, intent(in) :: x1
|
||
|
|
REAL*8, intent(in) :: x10
|
||
|
|
REAL*8, intent(in) :: x11
|
||
|
|
REAL*8, intent(in) :: x12
|
||
|
|
REAL*8, intent(in) :: x13
|
||
|
|
REAL*8, intent(in) :: x14
|
||
|
|
REAL*8, intent(in) :: x15
|
||
|
|
REAL*8, intent(in) :: x16
|
||
|
|
REAL*8, intent(in) :: x17
|
||
|
|
REAL*8, intent(in) :: x18
|
||
|
|
REAL*8, intent(in) :: x19
|
||
|
|
REAL*8, intent(in) :: x2
|
||
|
|
REAL*8, intent(in) :: x3
|
||
|
|
REAL*8, intent(in) :: x4
|
||
|
|
REAL*8, intent(in) :: x5
|
||
|
|
REAL*8, intent(in) :: x6
|
||
|
|
REAL*8, intent(in) :: x7
|
||
|
|
REAL*8, intent(in) :: x8
|
||
|
|
REAL*8, intent(in) :: x9
|
||
|
|
test = x0 + x1 + x10 + x11 + x12 + x13 + x14 + x15 + x16 + x17 + x18 + &
|
||
|
|
x19 + x2 + x3 + x4 + x5 + x6 + x7 + x8 + x9
|
||
|
|
end function
|
||
|
|
"""
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_check_case():
|
||
|
|
x, X = symbols('x,X')
|
||
|
|
raises(CodeGenError, lambda: codegen(('test', x*X), 'f95', 'prefix'))
|
||
|
|
|
||
|
|
|
||
|
|
def test_check_case_false_positive():
|
||
|
|
# The upper case/lower case exception should not be triggered by SymPy
|
||
|
|
# objects that differ only because of assumptions. (It may be useful to
|
||
|
|
# have a check for that as well, but here we only want to test against
|
||
|
|
# false positives with respect to case checking.)
|
||
|
|
x1 = symbols('x')
|
||
|
|
x2 = symbols('x', my_assumption=True)
|
||
|
|
try:
|
||
|
|
codegen(('test', x1*x2), 'f95', 'prefix')
|
||
|
|
except CodeGenError as e:
|
||
|
|
if e.args[0].startswith("Fortran ignores case."):
|
||
|
|
raise AssertionError("This exception should not be raised!")
|
||
|
|
|
||
|
|
|
||
|
|
def test_c_fortran_omit_routine_name():
|
||
|
|
x, y = symbols("x,y")
|
||
|
|
name_expr = [("foo", 2*x)]
|
||
|
|
result = codegen(name_expr, "F95", header=False, empty=False)
|
||
|
|
expresult = codegen(name_expr, "F95", "foo", header=False, empty=False)
|
||
|
|
assert result[0][1] == expresult[0][1]
|
||
|
|
|
||
|
|
name_expr = ("foo", x*y)
|
||
|
|
result = codegen(name_expr, "F95", header=False, empty=False)
|
||
|
|
expresult = codegen(name_expr, "F95", "foo", header=False, empty=False)
|
||
|
|
assert result[0][1] == expresult[0][1]
|
||
|
|
|
||
|
|
name_expr = ("foo", Matrix([[x, y], [x+y, x-y]]))
|
||
|
|
result = codegen(name_expr, "C89", header=False, empty=False)
|
||
|
|
expresult = codegen(name_expr, "C89", "foo", header=False, empty=False)
|
||
|
|
assert result[0][1] == expresult[0][1]
|
||
|
|
|
||
|
|
|
||
|
|
def test_fcode_matrix_output():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
e1 = x + y
|
||
|
|
e2 = Matrix([[x, y], [z, 16]])
|
||
|
|
name_expr = ("test", (e1, e2))
|
||
|
|
result = codegen(name_expr, "f95", "test", header=False, empty=False)
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function test(x, y, z, out_%(hash)s)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"REAL*8, intent(out), dimension(1:2, 1:2) :: out_%(hash)s\n"
|
||
|
|
"out_%(hash)s(1, 1) = x\n"
|
||
|
|
"out_%(hash)s(2, 1) = z\n"
|
||
|
|
"out_%(hash)s(1, 2) = y\n"
|
||
|
|
"out_%(hash)s(2, 2) = 16\n"
|
||
|
|
"test = x + y\n"
|
||
|
|
"end function\n"
|
||
|
|
)
|
||
|
|
# look for the magic number
|
||
|
|
a = source.splitlines()[5]
|
||
|
|
b = a.split('_')
|
||
|
|
out = b[1]
|
||
|
|
expected = expected % {'hash': out}
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_fcode_results_named_ordered():
|
||
|
|
x, y, z = symbols('x,y,z')
|
||
|
|
B, C = symbols('B,C')
|
||
|
|
A = MatrixSymbol('A', 1, 3)
|
||
|
|
expr1 = Equality(A, Matrix([[1, 2, x]]))
|
||
|
|
expr2 = Equality(C, (x + y)*z)
|
||
|
|
expr3 = Equality(B, 2*x)
|
||
|
|
name_expr = ("test", [expr1, expr2, expr3])
|
||
|
|
result = codegen(name_expr, "f95", "test", header=False, empty=False,
|
||
|
|
argument_sequence=(x, z, y, C, A, B))
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
"subroutine test(x, z, y, C, A, B)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: z\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"REAL*8, intent(out) :: C\n"
|
||
|
|
"REAL*8, intent(out) :: B\n"
|
||
|
|
"REAL*8, intent(out), dimension(1:1, 1:3) :: A\n"
|
||
|
|
"C = z*(x + y)\n"
|
||
|
|
"A(1, 1) = 1\n"
|
||
|
|
"A(1, 2) = 2\n"
|
||
|
|
"A(1, 3) = x\n"
|
||
|
|
"B = 2*x\n"
|
||
|
|
"end subroutine\n"
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_fcode_matrixsymbol_slice():
|
||
|
|
A = MatrixSymbol('A', 2, 3)
|
||
|
|
B = MatrixSymbol('B', 1, 3)
|
||
|
|
C = MatrixSymbol('C', 1, 3)
|
||
|
|
D = MatrixSymbol('D', 2, 1)
|
||
|
|
name_expr = ("test", [Equality(B, A[0, :]),
|
||
|
|
Equality(C, A[1, :]),
|
||
|
|
Equality(D, A[:, 2])])
|
||
|
|
result = codegen(name_expr, "f95", "test", header=False, empty=False)
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
"subroutine test(A, B, C, D)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in), dimension(1:2, 1:3) :: A\n"
|
||
|
|
"REAL*8, intent(out), dimension(1:1, 1:3) :: B\n"
|
||
|
|
"REAL*8, intent(out), dimension(1:1, 1:3) :: C\n"
|
||
|
|
"REAL*8, intent(out), dimension(1:2, 1:1) :: D\n"
|
||
|
|
"B(1, 1) = A(1, 1)\n"
|
||
|
|
"B(1, 2) = A(1, 2)\n"
|
||
|
|
"B(1, 3) = A(1, 3)\n"
|
||
|
|
"C(1, 1) = A(2, 1)\n"
|
||
|
|
"C(1, 2) = A(2, 2)\n"
|
||
|
|
"C(1, 3) = A(2, 3)\n"
|
||
|
|
"D(1, 1) = A(1, 3)\n"
|
||
|
|
"D(2, 1) = A(2, 3)\n"
|
||
|
|
"end subroutine\n"
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_fcode_matrixsymbol_slice_autoname():
|
||
|
|
# see issue #8093
|
||
|
|
A = MatrixSymbol('A', 2, 3)
|
||
|
|
name_expr = ("test", A[:, 1])
|
||
|
|
result = codegen(name_expr, "f95", "test", header=False, empty=False)
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
"subroutine test(A, out_%(hash)s)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in), dimension(1:2, 1:3) :: A\n"
|
||
|
|
"REAL*8, intent(out), dimension(1:2, 1:1) :: out_%(hash)s\n"
|
||
|
|
"out_%(hash)s(1, 1) = A(1, 2)\n"
|
||
|
|
"out_%(hash)s(2, 1) = A(2, 2)\n"
|
||
|
|
"end subroutine\n"
|
||
|
|
)
|
||
|
|
# look for the magic number
|
||
|
|
a = source.splitlines()[3]
|
||
|
|
b = a.split('_')
|
||
|
|
out = b[1]
|
||
|
|
expected = expected % {'hash': out}
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_global_vars():
|
||
|
|
x, y, z, t = symbols("x y z t")
|
||
|
|
result = codegen(('f', x*y), "F95", header=False, empty=False,
|
||
|
|
global_vars=(y,))
|
||
|
|
source = result[0][1]
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function f(x)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"f = x*y\n"
|
||
|
|
"end function\n"
|
||
|
|
)
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
expected = (
|
||
|
|
'#include "f.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'double f(double x, double y) {\n'
|
||
|
|
' double f_result;\n'
|
||
|
|
' f_result = x*y + z;\n'
|
||
|
|
' return f_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
result = codegen(('f', x*y+z), "C", header=False, empty=False,
|
||
|
|
global_vars=(z, t))
|
||
|
|
source = result[0][1]
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
def test_custom_codegen():
|
||
|
|
from sympy.printing.c import C99CodePrinter
|
||
|
|
from sympy.functions.elementary.exponential import exp
|
||
|
|
|
||
|
|
printer = C99CodePrinter(settings={'user_functions': {'exp': 'fastexp'}})
|
||
|
|
|
||
|
|
x, y = symbols('x y')
|
||
|
|
expr = exp(x + y)
|
||
|
|
|
||
|
|
# replace math.h with a different header
|
||
|
|
gen = C99CodeGen(printer=printer,
|
||
|
|
preprocessor_statements=['#include "fastexp.h"'])
|
||
|
|
|
||
|
|
expected = (
|
||
|
|
'#include "expr.h"\n'
|
||
|
|
'#include "fastexp.h"\n'
|
||
|
|
'double expr(double x, double y) {\n'
|
||
|
|
' double expr_result;\n'
|
||
|
|
' expr_result = fastexp(x + y);\n'
|
||
|
|
' return expr_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
result = codegen(('expr', expr), header=False, empty=False, code_gen=gen)
|
||
|
|
source = result[0][1]
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
# use both math.h and an external header
|
||
|
|
gen = C99CodeGen(printer=printer)
|
||
|
|
gen.preprocessor_statements.append('#include "fastexp.h"')
|
||
|
|
|
||
|
|
expected = (
|
||
|
|
'#include "expr.h"\n'
|
||
|
|
'#include <math.h>\n'
|
||
|
|
'#include "fastexp.h"\n'
|
||
|
|
'double expr(double x, double y) {\n'
|
||
|
|
' double expr_result;\n'
|
||
|
|
' expr_result = fastexp(x + y);\n'
|
||
|
|
' return expr_result;\n'
|
||
|
|
'}\n'
|
||
|
|
)
|
||
|
|
|
||
|
|
result = codegen(('expr', expr), header=False, empty=False, code_gen=gen)
|
||
|
|
source = result[0][1]
|
||
|
|
assert source == expected
|
||
|
|
|
||
|
|
def test_c_with_printer():
|
||
|
|
#issue 13586
|
||
|
|
from sympy.printing.c import C99CodePrinter
|
||
|
|
class CustomPrinter(C99CodePrinter):
|
||
|
|
def _print_Pow(self, expr):
|
||
|
|
return "fastpow({}, {})".format(self._print(expr.base),
|
||
|
|
self._print(expr.exp))
|
||
|
|
|
||
|
|
x = symbols('x')
|
||
|
|
expr = x**3
|
||
|
|
expected =[
|
||
|
|
("file.c",
|
||
|
|
"#include \"file.h\"\n"
|
||
|
|
"#include <math.h>\n"
|
||
|
|
"double test(double x) {\n"
|
||
|
|
" double test_result;\n"
|
||
|
|
" test_result = fastpow(x, 3);\n"
|
||
|
|
" return test_result;\n"
|
||
|
|
"}\n"),
|
||
|
|
("file.h",
|
||
|
|
"#ifndef PROJECT__FILE__H\n"
|
||
|
|
"#define PROJECT__FILE__H\n"
|
||
|
|
"double test(double x);\n"
|
||
|
|
"#endif\n")
|
||
|
|
]
|
||
|
|
result = codegen(("test", expr), "C","file", header=False, empty=False, printer = CustomPrinter())
|
||
|
|
assert result == expected
|
||
|
|
|
||
|
|
|
||
|
|
def test_fcode_complex():
|
||
|
|
import sympy.utilities.codegen
|
||
|
|
sympy.utilities.codegen.COMPLEX_ALLOWED = True
|
||
|
|
x = Symbol('x', real=True)
|
||
|
|
y = Symbol('y',real=True)
|
||
|
|
result = codegen(('test',x+y), 'f95', 'test', header=False, empty=False)
|
||
|
|
source = (result[0][1])
|
||
|
|
expected = (
|
||
|
|
"REAL*8 function test(x, y)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"REAL*8, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"test = x + y\n"
|
||
|
|
"end function\n")
|
||
|
|
assert source == expected
|
||
|
|
x = Symbol('x')
|
||
|
|
y = Symbol('y',real=True)
|
||
|
|
result = codegen(('test',x+y), 'f95', 'test', header=False, empty=False)
|
||
|
|
source = (result[0][1])
|
||
|
|
expected = (
|
||
|
|
"COMPLEX*16 function test(x, y)\n"
|
||
|
|
"implicit none\n"
|
||
|
|
"COMPLEX*16, intent(in) :: x\n"
|
||
|
|
"REAL*8, intent(in) :: y\n"
|
||
|
|
"test = x + y\n"
|
||
|
|
"end function\n"
|
||
|
|
)
|
||
|
|
assert source==expected
|
||
|
|
sympy.utilities.codegen.COMPLEX_ALLOWED = False
|