ai-content-maker/.venv/Lib/site-packages/numba/tests/cfunc_cache_usecases.py

71 lines
1.6 KiB
Python

"""
This file will be copied to a temporary directory in order to
exercise caching compiled C callbacks.
See test_cfunc.py.
"""
import sys
from numba import cfunc, jit
from numba.tests.support import TestCase, captured_stderr
Z = 1
add_sig = "float64(float64, float64)"
div_sig = "float64(int64, int64)"
@cfunc(add_sig, cache=True, nopython=True)
def add_usecase(x, y):
return x + y + Z
@cfunc(add_sig, nopython=True)
def add_nocache_usecase(x, y):
return x + y + Z
@cfunc(div_sig, cache=True, nopython=True)
def div_usecase(a, b):
return a / b
@jit(nopython=True)
def inner(x, y):
return x + y + Z
@cfunc(add_sig, cache=True, nopython=True)
def outer(x, y):
return inner(-y, x)
class _TestModule(TestCase):
"""
Tests for functionality of this module's cfuncs.
Note this does not define any "test_*" method, instead check_module()
should be called by hand.
"""
def check_module(self, mod):
f = mod.add_usecase
self.assertPreciseEqual(f.ctypes(2.0, 3.0), 6.0)
f = mod.add_nocache_usecase
self.assertPreciseEqual(f.ctypes(2.0, 3.0), 6.0)
f = mod.outer
self.assertPreciseEqual(f.ctypes(5.0, 2.0), 4.0)
f = mod.div_usecase
with captured_stderr() as err:
self.assertPreciseEqual(f.ctypes(7, 2), 3.5)
self.assertEqual(err.getvalue(), "")
with captured_stderr() as err:
f.ctypes(7, 0)
err = err.getvalue()
self.assertIn("ZeroDivisionError", err)
def self_test():
mod = sys.modules[__name__]
_TestModule().check_module(mod)