Revision d1a12956
libavutil/mathematics.h | ||
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#define FFMPEG_MATHEMATICS_H |
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#include <stdint.h> |
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#include <math.h> |
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#include "rational.h" |
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#ifndef M_E |
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#define M_E 2.7182818284590452354 /* e */ |
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#endif |
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#ifndef M_LN2 |
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#define M_LN2 0.69314718055994530942 /* log_e 2 */ |
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#endif |
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#ifndef M_LN10 |
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#define M_LN10 2.30258509299404568402 /* log_e 10 */ |
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#endif |
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#ifndef M_SQRT1_2 |
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#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ |
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#endif |
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enum AVRounding { |
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AV_ROUND_ZERO = 0, ///< round toward zero |
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AV_ROUND_INF = 1, ///< round away from zero |
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