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Merge "Fix SATURATE_LEFT_SHIFT_ALT() since it returned 0x80000000 in certain cases"

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Jean-Michel Trivi 2018-12-27 00:55:34 +00:00 committed by Gerrit Code Review
parent f59fd73d44 edbb4b0a14
commit 27894057af
1 changed files with 5 additions and 5 deletions
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libFDK/include/scale.h
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@ -271,7 +271,7 @@ inline void scaleValueInPlace(FIXP_DBL *value, /*!< Value */
#define SATURATE_LEFT_SHIFT_ALT(src, scale, dBits) \ #define SATURATE_LEFT_SHIFT_ALT(src, scale, dBits) \
(((LONG)(src) > ((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \ (((LONG)(src) > ((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \
? (LONG)(((1U) << ((dBits)-1)) - 1) \ ? (LONG)(((1U) << ((dBits)-1)) - 1) \
: ((LONG)(src) < ~((LONG)(((1U) << ((dBits)-1)) - 2) >> (scale))) \ : ((LONG)(src) <= ~((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \
? ~((LONG)(((1U) << ((dBits)-1)) - 2)) \ ? ~((LONG)(((1U) << ((dBits)-1)) - 2)) \
: ((LONG)(src) << (scale))) : ((LONG)(src) << (scale)))
#endif #endif