diff options
Diffstat (limited to 'silk/fixed/vector_ops_FIX.c')
| -rw-r--r-- | silk/fixed/vector_ops_FIX.c | 35 |
1 files changed, 2 insertions, 33 deletions
diff --git a/silk/fixed/vector_ops_FIX.c b/silk/fixed/vector_ops_FIX.c index d620602..509c8b3 100644 --- a/silk/fixed/vector_ops_FIX.c +++ b/silk/fixed/vector_ops_FIX.c @@ -8,11 +8,11 @@ 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 Internet Society, IETF or IETF Trust, nor the +- Neither the name of Internet Society, IETF or IETF Trust, nor the names of specific contributors, may be used to endorse or promote products derived from this software without specific prior written permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” +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 @@ -94,34 +94,3 @@ opus_int64 silk_inner_prod16_aligned_64( } return sum; } - -/* Function that returns the maximum absolut value of the input vector */ -opus_int16 silk_int16_array_maxabs( /* O Maximum absolute value, max: 2^15-1 */ - const opus_int16 *vec, /* I Input vector [len] */ - const opus_int32 len /* I Length of input vector */ -) -{ - opus_int32 max = 0, i, lvl = 0, ind; - if( len == 0 ) return 0; - - ind = len - 1; - max = silk_SMULBB( vec[ ind ], vec[ ind ] ); - for( i = len - 2; i >= 0; i-- ) { - lvl = silk_SMULBB( vec[ i ], vec[ i ] ); - if( lvl > max ) { - max = lvl; - ind = i; - } - } - - /* Do not return 32768, as it will not fit in an int16 so may lead to problems later on */ - if( max >= 1073676289 ) { /* (2^15-1)^2 = 1073676289 */ - return( silk_int16_MAX ); - } else { - if( vec[ ind ] < 0 ) { - return( -vec[ ind ] ); - } else { - return( vec[ ind ] ); - } - } -} |