[pypy-svn] pypy default: Merged upstream.
alex_gaynor
commits-noreply at bitbucket.org
Thu Apr 14 03:12:25 CEST 2011
Author: Alex Gaynor <alex.gaynor at gmail.com>
Branch:
Changeset: r43338:134b0a8fd1ad
Date: 2011-04-13 21:12 -0400
http://bitbucket.org/pypy/pypy/changeset/134b0a8fd1ad/
Log: Merged upstream.
diff --git a/pypy/translator/c/src/ll_math.h b/pypy/translator/c/src/ll_math.h
--- a/pypy/translator/c/src/ll_math.h
+++ b/pypy/translator/c/src/ll_math.h
@@ -1,6 +1,8 @@
/* Definitions of some C99 math library functions, for those platforms
that don't implement these functions already. */
+int _pypy_math_isinf(double x);
+
double _pypy_math_acosh(double x);
double _pypy_math_asinh(double x);
double _pypy_math_atanh(double x);
diff --git a/pypy/translator/c/src/ll_math.c b/pypy/translator/c/src/ll_math.c
--- a/pypy/translator/c/src/ll_math.c
+++ b/pypy/translator/c/src/ll_math.c
@@ -22,6 +22,12 @@
#endif
#define PyPy_NAN (HUGE_VAL * 0.)
+int
+_pypy_math_isinf(double x)
+{
+ return PyPy_IS_INFINITY(x);
+}
+
/* The following copyright notice applies to the original
implementations of acosh, asinh and atanh. */
diff --git a/pypy/rpython/lltypesystem/module/ll_math.py b/pypy/rpython/lltypesystem/module/ll_math.py
--- a/pypy/rpython/lltypesystem/module/ll_math.py
+++ b/pypy/rpython/lltypesystem/module/ll_math.py
@@ -20,7 +20,8 @@
separate_module_files=[cdir.join('src', 'll_math.c')],
export_symbols=['_pypy_math_acosh', '_pypy_math_asinh',
'_pypy_math_atanh',
- '_pypy_math_expm1', '_pypy_math_log1p'],
+ '_pypy_math_expm1', '_pypy_math_log1p',
+ '_pypy_math_isinf'],
)
math_prefix = '_pypy_math_'
else:
@@ -56,6 +57,7 @@
math_fmod = llexternal('fmod', [rffi.DOUBLE, rffi.DOUBLE], rffi.DOUBLE)
math_hypot = llexternal(underscore + 'hypot',
[rffi.DOUBLE, rffi.DOUBLE], rffi.DOUBLE)
+math_isinf = math_llexternal('isinf', [rffi.DOUBLE], rffi.INT)
# ____________________________________________________________
#
@@ -93,8 +95,9 @@
# are awesome.
return y != y
+ at jit.purefunction
def ll_math_isinf(y):
- return y != 0 and y * .5 == y
+ return bool(math_isinf(y))
ll_math_copysign = math_copysign
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