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patch 7.4.1440

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Problem:    Can't build on Windows.
Solution:   Change #ifdefs.  Only define isnan when used.
This commit is contained in:
Bram Moolenaar
2016-02-27 21:27:20 +01:00
parent f97ddbeb25
commit fefecb0fbe
4 changed files with 26 additions and 18 deletions
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40
src/macros.h
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@@ -327,25 +327,29 @@
/* for isnan() and isinf() */
# include <math.h>
# endif
# if defined(WIN32) && !defined(isnan)
# define isnan(x) _isnan(x)
# define isinf(x) (!_finite(x) && !_isnan(x))
# else
# ifndef HAVE_ISNAN
static inline int isnan(double x) { return x != x; }
# endif
# ifndef HAVE_ISINF
static inline int isinf(double x) { return !isnan(x) && isnan(x - x); }
# endif
# endif
# if !defined(INFINITY)
# if defined(DBL_MAX)
# define INFINITY (DBL_MAX+DBL_MAX)
# ifdef USING_FLOAT_STUFF
# if defined(WIN32)
# ifndef isnan
# define isnan(x) _isnan(x)
# define isinf(x) (!_finite(x) && !_isnan(x))
# endif
# else
# define INFINITY (1.0 / 0.0)
# ifndef HAVE_ISNAN
static inline int isnan(double x) { return x != x; }
# endif
# ifndef HAVE_ISINF
static inline int isinf(double x) { return !isnan(x) && isnan(x - x); }
# endif
# endif
# if !defined(INFINITY)
# if defined(DBL_MAX)
# define INFINITY (DBL_MAX+DBL_MAX)
# else
# define INFINITY (1.0 / 0.0)
# endif
# endif
# if !defined(NAN)
# define NAN (INFINITY-INFINITY)
# endif
# endif
# if !defined(NAN)
# define NAN (INFINITY-INFINITY)
# endif
#endif