ref: ee931fcd25f9d715e35d033cd96eedd90ed45e39
dir: /silk/silk_MacroDebug.h/
/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef _SIGPROCFIX_API_DEBUG_H_
#define _SIGPROCFIX_API_DEBUG_H_
/* Redefine macro functions with extensive assertion in Win32_DEBUG mode.
As function can't be undefined, this file can't work with SigProcFIX_MacroCount.h */
#if 0 && defined (_WIN32) && defined (_DEBUG) && !defined (SKP_MACRO_COUNT)
#undef SKP_ADD16
static inline opus_int16 SKP_ADD16(opus_int16 a, opus_int16 b){
opus_int16 ret;
ret = a + b;
SKP_assert( ret == SKP_ADD_SAT16( a, b ));
return ret;
}
#undef SKP_ADD32
static inline opus_int32 SKP_ADD32(opus_int32 a, opus_int32 b){
opus_int32 ret;
ret = a + b;
SKP_assert( ret == SKP_ADD_SAT32( a, b ));
return ret;
}
#undef SKP_ADD64
static inline opus_int64 SKP_ADD64(opus_int64 a, opus_int64 b){
opus_int64 ret;
ret = a + b;
SKP_assert( ret == SKP_ADD_SAT64( a, b ));
return ret;
}
#undef SKP_SUB16
static inline opus_int16 SKP_SUB16(opus_int16 a, opus_int16 b){
opus_int16 ret;
ret = a - b;
SKP_assert( ret == SKP_SUB_SAT16( a, b ));
return ret;
}
#undef SKP_SUB32
static inline opus_int32 SKP_SUB32(opus_int32 a, opus_int32 b){
opus_int32 ret;
ret = a - b;
SKP_assert( ret == SKP_SUB_SAT32( a, b ));
return ret;
}
#undef SKP_SUB64
static inline opus_int64 SKP_SUB64(opus_int64 a, opus_int64 b){
opus_int64 ret;
ret = a - b;
SKP_assert( ret == SKP_SUB_SAT64( a, b ));
return ret;
}
#undef SKP_ADD_SAT16
static inline opus_int16 SKP_ADD_SAT16( opus_int16 a16, opus_int16 b16 ) {
opus_int16 res;
res = (opus_int16)SKP_SAT16( SKP_ADD32( (opus_int32)(a16), (b16) ) );
SKP_assert( res == SKP_SAT16( ( opus_int32 )a16 + ( opus_int32 )b16 ) );
return res;
}
#undef SKP_ADD_SAT32
static inline opus_int32 SKP_ADD_SAT32(opus_int32 a32, opus_int32 b32){
opus_int32 res;
res = ((((a32) + (b32)) & 0x80000000) == 0 ? \
((((a32) & (b32)) & 0x80000000) != 0 ? SKP_int32_MIN : (a32)+(b32)) : \
((((a32) | (b32)) & 0x80000000) == 0 ? SKP_int32_MAX : (a32)+(b32)) );
SKP_assert( res == SKP_SAT32( ( opus_int64 )a32 + ( opus_int64 )b32 ) );
return res;
}
#undef SKP_ADD_SAT64
static inline opus_int64 SKP_ADD_SAT64( opus_int64 a64, opus_int64 b64 ) {
opus_int64 res;
res = ((((a64) + (b64)) & 0x8000000000000000LL) == 0 ? \
((((a64) & (b64)) & 0x8000000000000000LL) != 0 ? SKP_int64_MIN : (a64)+(b64)) : \
((((a64) | (b64)) & 0x8000000000000000LL) == 0 ? SKP_int64_MAX : (a64)+(b64)) );
if( res != a64 + b64 ) {
/* Check that we saturated to the correct extreme value */
SKP_assert( ( res == SKP_int64_MAX && ( ( a64 >> 1 ) + ( b64 >> 1 ) > ( SKP_int64_MAX >> 3 ) ) ) ||
( res == SKP_int64_MIN && ( ( a64 >> 1 ) + ( b64 >> 1 ) < ( SKP_int64_MIN >> 3 ) ) ) );
} else {
/* Saturation not necessary */
SKP_assert( res == a64 + b64 );
}
return res;
}
#undef SKP_SUB_SAT16
static inline opus_int16 SKP_SUB_SAT16( opus_int16 a16, opus_int16 b16 ) {
opus_int16 res;
res = (opus_int16)SKP_SAT16( SKP_SUB32( (opus_int32)(a16), (b16) ) );
SKP_assert( res == SKP_SAT16( ( opus_int32 )a16 - ( opus_int32 )b16 ) );
return res;
}
#undef SKP_SUB_SAT32
static inline opus_int32 SKP_SUB_SAT32( opus_int32 a32, opus_int32 b32 ) {
opus_int32 res;
res = ((((a32)-(b32)) & 0x80000000) == 0 ? \
(( (a32) & ((b32)^0x80000000) & 0x80000000) ? SKP_int32_MIN : (a32)-(b32)) : \
((((a32)^0x80000000) & (b32) & 0x80000000) ? SKP_int32_MAX : (a32)-(b32)) );
SKP_assert( res == SKP_SAT32( ( opus_int64 )a32 - ( opus_int64 )b32 ) );
return res;
}
#undef SKP_SUB_SAT64
static inline opus_int64 SKP_SUB_SAT64( opus_int64 a64, opus_int64 b64 ) {
opus_int64 res;
res = ((((a64)-(b64)) & 0x8000000000000000LL) == 0 ? \
(( (a64) & ((b64)^0x8000000000000000LL) & 0x8000000000000000LL) ? SKP_int64_MIN : (a64)-(b64)) : \
((((a64)^0x8000000000000000LL) & (b64) & 0x8000000000000000LL) ? SKP_int64_MAX : (a64)-(b64)) );
if( res != a64 - b64 ) {
/* Check that we saturated to the correct extreme value */
SKP_assert( ( res == SKP_int64_MAX && ( ( a64 >> 1 ) + ( b64 >> 1 ) > ( SKP_int64_MAX >> 3 ) ) ) ||
( res == SKP_int64_MIN && ( ( a64 >> 1 ) + ( b64 >> 1 ) < ( SKP_int64_MIN >> 3 ) ) ) );
} else {
/* Saturation not necessary */
SKP_assert( res == a64 - b64 );
}
return res;
}
#undef SKP_MUL
static inline opus_int32 SKP_MUL(opus_int32 a32, opus_int32 b32){
opus_int32 ret;
opus_int64 ret64; /* Will easily show how many bits that are needed */
ret = a32 * b32;
ret64 = (opus_int64)a32 * (opus_int64)b32;
SKP_assert((opus_int64)ret == ret64 ); /* Check output overflow */
return ret;
}
#undef SKP_MUL_uint
static inline opus_uint32 SKP_MUL_uint(opus_uint32 a32, opus_uint32 b32){
opus_uint32 ret;
ret = a32 * b32;
SKP_assert((opus_uint64)ret == (opus_uint64)a32 * (opus_uint64)b32); /* Check output overflow */
return ret;
}
#undef SKP_MLA
static inline opus_int32 SKP_MLA(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret;
ret = a32 + b32 * c32;
SKP_assert((opus_int64)ret == (opus_int64)a32 + (opus_int64)b32 * (opus_int64)c32); /* Check output overflow */
return ret;
}
#undef SKP_MLA_uint
static inline opus_int32 SKP_MLA_uint(opus_uint32 a32, opus_uint32 b32, opus_uint32 c32){
opus_uint32 ret;
ret = a32 + b32 * c32;
SKP_assert((opus_int64)ret == (opus_int64)a32 + (opus_int64)b32 * (opus_int64)c32); /* Check output overflow */
return ret;
}
#undef SKP_SMULWB
static inline opus_int32 SKP_SMULWB(opus_int32 a32, opus_int32 b32){
opus_int32 ret;
ret = (a32 >> 16) * (opus_int32)((opus_int16)b32) + (((a32 & 0x0000FFFF) * (opus_int32)((opus_int16)b32)) >> 16);
SKP_assert((opus_int64)ret == ((opus_int64)a32 * (opus_int16)b32) >> 16);
return ret;
}
#undef SKP_SMLAWB
static inline opus_int32 SKP_SMLAWB(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret;
ret = SKP_ADD32( a32, SKP_SMULWB( b32, c32 ) );
SKP_assert(SKP_ADD32( a32, SKP_SMULWB( b32, c32 ) ) == SKP_ADD_SAT32( a32, SKP_SMULWB( b32, c32 ) ));
return ret;
}
#undef SKP_SMULWT
static inline opus_int32 SKP_SMULWT(opus_int32 a32, opus_int32 b32){
opus_int32 ret;
ret = (a32 >> 16) * (b32 >> 16) + (((a32 & 0x0000FFFF) * (b32 >> 16)) >> 16);
SKP_assert((opus_int64)ret == ((opus_int64)a32 * (b32 >> 16)) >> 16);
return ret;
}
#undef SKP_SMLAWT
static inline opus_int32 SKP_SMLAWT(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret;
ret = a32 + ((b32 >> 16) * (c32 >> 16)) + (((b32 & 0x0000FFFF) * ((c32 >> 16)) >> 16));
SKP_assert((opus_int64)ret == (opus_int64)a32 + (((opus_int64)b32 * (c32 >> 16)) >> 16));
return ret;
}
#undef SKP_SMULL
static inline opus_int64 SKP_SMULL(opus_int64 a64, opus_int64 b64){
opus_int64 ret64;
ret64 = a64 * b64;
if( b64 != 0 ) {
SKP_assert( a64 == (ret64 / b64) );
} else if( a64 != 0 ) {
SKP_assert( b64 == (ret64 / a64) );
}
return ret64;
}
/* no checking needed for SKP_SMULBB */
#undef SKP_SMLABB
static inline opus_int32 SKP_SMLABB(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret;
ret = a32 + (opus_int32)((opus_int16)b32) * (opus_int32)((opus_int16)c32);
SKP_assert((opus_int64)ret == (opus_int64)a32 + (opus_int64)b32 * (opus_int16)c32);
return ret;
}
/* no checking needed for SKP_SMULBT */
#undef SKP_SMLABT
static inline opus_int32 SKP_SMLABT(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret;
ret = a32 + ((opus_int32)((opus_int16)b32)) * (c32 >> 16);
SKP_assert((opus_int64)ret == (opus_int64)a32 + (opus_int64)b32 * (c32 >> 16));
return ret;
}
/* no checking needed for SKP_SMULTT */
#undef SKP_SMLATT
static inline opus_int32 SKP_SMLATT(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret;
ret = a32 + (b32 >> 16) * (c32 >> 16);
SKP_assert((opus_int64)ret == (opus_int64)a32 + (b32 >> 16) * (c32 >> 16));
return ret;
}
#undef SKP_SMULWW
static inline opus_int32 SKP_SMULWW(opus_int32 a32, opus_int32 b32){
opus_int32 ret, tmp1, tmp2;
opus_int64 ret64;
ret = SKP_SMULWB( a32, b32 );
tmp1 = SKP_RSHIFT_ROUND( b32, 16 );
tmp2 = SKP_MUL( a32, tmp1 );
SKP_assert( (opus_int64)tmp2 == (opus_int64) a32 * (opus_int64) tmp1 );
tmp1 = ret;
ret = SKP_ADD32( tmp1, tmp2 );
SKP_assert( SKP_ADD32( tmp1, tmp2 ) == SKP_ADD_SAT32( tmp1, tmp2 ) );
ret64 = SKP_RSHIFT64( SKP_SMULL( a32, b32 ), 16 );
SKP_assert( (opus_int64)ret == ret64 );
return ret;
}
#undef SKP_SMLAWW
static inline opus_int32 SKP_SMLAWW(opus_int32 a32, opus_int32 b32, opus_int32 c32){
opus_int32 ret, tmp;
tmp = SKP_SMULWW( b32, c32 );
ret = SKP_ADD32( a32, tmp );
SKP_assert( ret == SKP_ADD_SAT32( a32, tmp ) );
return ret;
}
/* multiply-accumulate macros that allow overflow in the addition (ie, no asserts in debug mode) */
#undef SKP_MLA_ovflw
#define SKP_MLA_ovflw(a32, b32, c32) ((a32) + ((b32) * (c32)))
#undef SKP_SMLABB_ovflw
#define SKP_SMLABB_ovflw(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))
#undef SKP_SMLABT_ovflw
#define SKP_SMLABT_ovflw(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16))
#undef SKP_SMLATT_ovflw
#define SKP_SMLATT_ovflw(a32, b32, c32) ((a32) + ((b32) >> 16) * ((c32) >> 16))
#undef SKP_SMLAWB_ovflw
#define SKP_SMLAWB_ovflw(a32, b32, c32) ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16)))
#undef SKP_SMLAWT_ovflw
#define SKP_SMLAWT_ovflw(a32, b32, c32) ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16))
/* no checking needed for SKP_SMULL
no checking needed for SKP_SMLAL
no checking needed for SKP_SMLALBB
no checking needed for SigProcFIX_CLZ16
no checking needed for SigProcFIX_CLZ32*/
#undef SKP_DIV32
static inline opus_int32 SKP_DIV32(opus_int32 a32, opus_int32 b32){
SKP_assert( b32 != 0 );
return a32 / b32;
}
#undef SKP_DIV32_16
static inline opus_int32 SKP_DIV32_16(opus_int32 a32, opus_int32 b32){
SKP_assert( b32 != 0 );
SKP_assert( b32 <= SKP_int16_MAX );
SKP_assert( b32 >= SKP_int16_MIN );
return a32 / b32;
}
/* no checking needed for SKP_SAT8
no checking needed for SKP_SAT16
no checking needed for SKP_SAT32
no checking needed for SKP_POS_SAT32
no checking needed for SKP_ADD_POS_SAT8
no checking needed for SKP_ADD_POS_SAT16
no checking needed for SKP_ADD_POS_SAT32
no checking needed for SKP_ADD_POS_SAT64 */
#undef SKP_LSHIFT8
static inline opus_int8 SKP_LSHIFT8(opus_int8 a, opus_int32 shift){
opus_int8 ret;
ret = a << shift;
SKP_assert(shift >= 0);
SKP_assert(shift < 8);
SKP_assert((opus_int64)ret == ((opus_int64)a) << shift);
return ret;
}
#undef SKP_LSHIFT16
static inline opus_int16 SKP_LSHIFT16(opus_int16 a, opus_int32 shift){
opus_int16 ret;
ret = a << shift;
SKP_assert(shift >= 0);
SKP_assert(shift < 16);
SKP_assert((opus_int64)ret == ((opus_int64)a) << shift);
return ret;
}
#undef SKP_LSHIFT32
static inline opus_int32 SKP_LSHIFT32(opus_int32 a, opus_int32 shift){
opus_int32 ret;
ret = a << shift;
SKP_assert(shift >= 0);
SKP_assert(shift < 32);
SKP_assert((opus_int64)ret == ((opus_int64)a) << shift);
return ret;
}
#undef SKP_LSHIFT64
static inline opus_int64 SKP_LSHIFT64(opus_int64 a, opus_int shift){
SKP_assert(shift >= 0);
SKP_assert(shift < 64);
return a << shift;
}
#undef SKP_LSHIFT_ovflw
static inline opus_int32 SKP_LSHIFT_ovflw(opus_int32 a, opus_int32 shift){
SKP_assert(shift >= 0); /* no check for overflow */
return a << shift;
}
#undef SKP_LSHIFT_uint
static inline opus_uint32 SKP_LSHIFT_uint(opus_uint32 a, opus_int32 shift){
opus_uint32 ret;
ret = a << shift;
SKP_assert(shift >= 0);
SKP_assert((opus_int64)ret == ((opus_int64)a) << shift);
return ret;
}
#undef SKP_RSHIFT8
static inline opus_int8 SKP_RSHIFT8(opus_int8 a, opus_int32 shift){
SKP_assert(shift >= 0);
SKP_assert(shift < 8);
return a >> shift;
}
#undef SKP_RSHIFT16
static inline opus_int16 SKP_RSHIFT16(opus_int16 a, opus_int32 shift){
SKP_assert(shift >= 0);
SKP_assert(shift < 16);
return a >> shift;
}
#undef SKP_RSHIFT32
static inline opus_int32 SKP_RSHIFT32(opus_int32 a, opus_int32 shift){
SKP_assert(shift >= 0);
SKP_assert(shift < 32);
return a >> shift;
}
#undef SKP_RSHIFT64
static inline opus_int64 SKP_RSHIFT64(opus_int64 a, opus_int64 shift){
SKP_assert(shift >= 0);
SKP_assert(shift <= 63);
return a >> shift;
}
#undef SKP_RSHIFT_uint
static inline opus_uint32 SKP_RSHIFT_uint(opus_uint32 a, opus_int32 shift){
SKP_assert(shift >= 0);
SKP_assert(shift <= 32);
return a >> shift;
}
#undef SKP_ADD_LSHIFT
static inline opus_int32 SKP_ADD_LSHIFT(opus_int32 a, opus_int32 b, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 31);
ret = a + (b << shift);
SKP_assert((opus_int64)ret == (opus_int64)a + (((opus_int64)b) << shift));
return ret; /* shift >= 0 */
}
#undef SKP_ADD_LSHIFT32
static inline opus_int32 SKP_ADD_LSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 31);
ret = a + (b << shift);
SKP_assert((opus_int64)ret == (opus_int64)a + (((opus_int64)b) << shift));
return ret; /* shift >= 0 */
}
#undef SKP_ADD_LSHIFT_uint
static inline opus_uint32 SKP_ADD_LSHIFT_uint(opus_uint32 a, opus_uint32 b, opus_int32 shift){
opus_uint32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 32);
ret = a + (b << shift);
SKP_assert((opus_int64)ret == (opus_int64)a + (((opus_int64)b) << shift));
return ret; /* shift >= 0 */
}
#undef SKP_ADD_RSHIFT
static inline opus_int32 SKP_ADD_RSHIFT(opus_int32 a, opus_int32 b, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 31);
ret = a + (b >> shift);
SKP_assert((opus_int64)ret == (opus_int64)a + (((opus_int64)b) >> shift));
return ret; /* shift > 0 */
}
#undef SKP_ADD_RSHIFT32
static inline opus_int32 SKP_ADD_RSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 31);
ret = a + (b >> shift);
SKP_assert((opus_int64)ret == (opus_int64)a + (((opus_int64)b) >> shift));
return ret; /* shift > 0 */
}
#undef SKP_ADD_RSHIFT_uint
static inline opus_uint32 SKP_ADD_RSHIFT_uint(opus_uint32 a, opus_uint32 b, opus_int32 shift){
opus_uint32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 32);
ret = a + (b >> shift);
SKP_assert((opus_int64)ret == (opus_int64)a + (((opus_int64)b) >> shift));
return ret; /* shift > 0 */
}
#undef SKP_SUB_LSHIFT32
static inline opus_int32 SKP_SUB_LSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 31);
ret = a - (b << shift);
SKP_assert((opus_int64)ret == (opus_int64)a - (((opus_int64)b) << shift));
return ret; /* shift >= 0 */
}
#undef SKP_SUB_RSHIFT32
static inline opus_int32 SKP_SUB_RSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift >= 0);
SKP_assert(shift <= 31);
ret = a - (b >> shift);
SKP_assert((opus_int64)ret == (opus_int64)a - (((opus_int64)b) >> shift));
return ret; /* shift > 0 */
}
#undef SKP_RSHIFT_ROUND
static inline opus_int32 SKP_RSHIFT_ROUND(opus_int32 a, opus_int32 shift){
opus_int32 ret;
SKP_assert(shift > 0); /* the marco definition can't handle a shift of zero */
SKP_assert(shift < 32);
ret = shift == 1 ? (a >> 1) + (a & 1) : ((a >> (shift - 1)) + 1) >> 1;
SKP_assert((opus_int64)ret == ((opus_int64)a + ((opus_int64)1 << (shift - 1))) >> shift);
return ret;
}
#undef SKP_RSHIFT_ROUND64
static inline opus_int64 SKP_RSHIFT_ROUND64(opus_int64 a, opus_int32 shift){
opus_int64 ret;
SKP_assert(shift > 0); /* the marco definition can't handle a shift of zero */
SKP_assert(shift < 64);
ret = shift == 1 ? (a >> 1) + (a & 1) : ((a >> (shift - 1)) + 1) >> 1;
return ret;
}
/* SKP_abs is used on floats also, so doesn't work... */
/*#undef SKP_abs
static inline opus_int32 SKP_abs(opus_int32 a){
SKP_assert(a != 0x80000000);
return (((a) > 0) ? (a) : -(a)); // Be careful, SKP_abs returns wrong when input equals to SKP_intXX_MIN
}*/
#undef SKP_abs_int64
static inline opus_int64 SKP_abs_int64(opus_int64 a){
SKP_assert(a != 0x8000000000000000);
return (((a) > 0) ? (a) : -(a)); /* Be careful, SKP_abs returns wrong when input equals to SKP_intXX_MIN */
}
#undef SKP_abs_int32
static inline opus_int32 SKP_abs_int32(opus_int32 a){
SKP_assert(a != 0x80000000);
return abs(a);
}
#undef SKP_CHECK_FIT8
static inline opus_int8 SKP_CHECK_FIT8( opus_int64 a ){
opus_int8 ret;
ret = (opus_int8)a;
SKP_assert( (opus_int64)ret == a );
return( ret );
}
#undef SKP_CHECK_FIT16
static inline opus_int16 SKP_CHECK_FIT16( opus_int64 a ){
opus_int16 ret;
ret = (opus_int16)a;
SKP_assert( (opus_int64)ret == a );
return( ret );
}
#undef SKP_CHECK_FIT32
static inline opus_int32 SKP_CHECK_FIT32( opus_int64 a ){
opus_int32 ret;
ret = (opus_int32)a;
SKP_assert( (opus_int64)ret == a );
return( ret );
}
/* no checking for SKP_NSHIFT_MUL_32_32
no checking for SKP_NSHIFT_MUL_16_16
no checking needed for SKP_min
no checking needed for SKP_max
no checking needed for SKP_sign
*/
#endif
#endif