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authorMark Dickinson <dickinsm@gmail.com>2009-01-04 16:06:40 (GMT)
committerMark Dickinson <dickinsm@gmail.com>2009-01-04 16:06:40 (GMT)
commit41fbae1ac9bf21a3698846016d29fcabf345123e (patch)
tree521ca623036f098cfd6f3b804c88d7a335493860
parentd181e3a246b52284e3aeb412ef9678dc444eb82a (diff)
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Oops. Need to check not only that HAVE_DECL_ISINF is defined, but also
that it's equal to 1. (If isinf isn't defined, HAVE_DECL_ISINF is defined to be 0, rather than being undefined.)
-rw-r--r--Include/pymath.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/Include/pymath.h b/Include/pymath.h
index 13f95b4..9e0f46f 100644
--- a/Include/pymath.h
+++ b/Include/pymath.h
@@ -87,7 +87,7 @@ extern double copysign(double, double);
* Note: PC/pyconfig.h defines Py_IS_NAN as _isnan
*/
#ifndef Py_IS_NAN
-#ifdef HAVE_DECL_ISNAN
+#ifdef HAVE_DECL_ISNAN && HAVE_DECL_ISNAN == 1
#define Py_IS_NAN(X) isnan(X)
#else
#define Py_IS_NAN(X) ((X) != (X))
@@ -104,7 +104,7 @@ extern double copysign(double, double);
* Note: PC/pyconfig.h defines Py_IS_INFINITY as _isinf
*/
#ifndef Py_IS_INFINITY
-#ifdef HAVE_DECL_ISINF
+#ifdef HAVE_DECL_ISINF && HAVE_DECL_ISINF == 1
#define Py_IS_INFINITY(X) isinf(X)
#else
#define Py_IS_INFINITY(X) ((X) && (X)*0.5 == (X))