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  r68296 | mark.dickinson | 2009-01-04 12:29:36 +0000 (Sun, 04 Jan 2009) | 6 lines

  Add autoconf test to detect x87-style double rounding, as described in
  issue #2937.  This information can be helpful for diagnosing platform-
  specific problems in math and cmath.  The result of the test also
  serves as a fairly reliable indicator of whether the x87 floating-point
  instructions (as opposed to SSE2) are in use on Intel x86/x86_64 systems.
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  r68299 | mark.dickinson | 2009-01-04 13:57:26 +0000 (Sun, 04 Jan 2009) | 4 lines

  isinf and isnan are macros, not functions; fix configure script
  to use AC_CHECK_DECLS instead of AC_CHECK_FUNCS for these.
  (See discussion in issue #4506)
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This commit is contained in:
Mark Dickinson 2009-01-04 15:09:02 +00:00
parent 277a150146
commit 3dc7c6a375
5 changed files with 358 additions and 21 deletions
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6
PC/pyconfig.h
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@ -395,11 +395,11 @@ Py_NO_ENABLE_SHARED to find out. Also support MS_NO_COREDLL for b/w compat */
/* Define to 1 if you have the `copysign' function. */
#define HAVE_COPYSIGN 1
/* Define to 1 if you have the `isinf' function. */
#define HAVE_ISINF 1
/* Define to 1 if you have the `isinf' macro. */
#define HAVE_DECL_ISINF 1
/* Define to 1 if you have the `isnan' function. */
#define HAVE_ISNAN 1
#define HAVE_DECL_ISNAN 1
/* Define if on AIX 3.
System headers sometimes define this.