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# this registry uses the new interface for external functions
from rpython.rtyper.extfunc import register_external
# Register replacement functions for builtin functions
from rpython.rlib import rposix, rposix_stat, rposix_environ
from rpython.rlib import rtime
# ___________________________
# math functions
import math
from rpython.rtyper.lltypesystem.module import ll_math
from rpython.rlib import rfloat
# the following functions all take one float, return one float
# and are part of math.h
for name in ll_math.unary_math_functions:
llimpl = getattr(ll_math, 'll_math_%s' % name, None)
try:
f = getattr(math, name)
except AttributeError:
f = getattr(rfloat, name)
register_external(f, [float], float,
export_name="ll_math.ll_math_%s" % name,
sandboxsafe=True, llimpl=llimpl)
_register = [ # (module, [(method name, arg types, return type), ...], ...)
(rfloat, [
('isfinite', [float], bool),
]),
(math, [
('copysign', [float, float], float),
('isinf', [float], bool),
('isnan', [float], bool),
('floor', [float], float),
('sqrt', [float], float),
('log', [float], float),
('log10', [float], float),
('log1p', [float], float),
('sin', [float], float),
('cos', [float], float),
('atan2', [float, float], float),
('hypot', [float, float], float),
('frexp', [float], (float, int)),
('ldexp', [float, int], float),
('modf', [float], (float, float)),
('fmod', [float, float], float),
('pow', [float, float], float),
]),
]
for module, methods in _register:
for name, arg_types, return_type in methods:
method_name = 'll_math_%s' % name
register_external(getattr(module, name), arg_types, return_type,
export_name='ll_math.%s' % method_name,
sandboxsafe=True,
llimpl=getattr(ll_math, method_name))
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