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Define INFINITIY and NAN in mathematics.h if missing

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Originally committed as revision 19611 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-08-10 01:27:27 +00:00
parent 184410e60b
commit bd41c06f18
1 changed files with 6 additions and 0 deletions
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6
libavutil/mathematics.h
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@ -41,6 +41,12 @@
#ifndef M_SQRT1_2
#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
#endif
#ifndef NAN
#define NAN (0.0/0.0)
#endif
#ifndef INFINITY
#define INFINITY (1.0/0.0)
#endif
enum AVRounding {
AV_ROUND_ZERO = 0, ///< Round toward zero.