/src/opus/silk/float/scale_vector_FLP.c
Line | Count | Source (jump to first uncovered line) |
1 | | /*********************************************************************** |
2 | | Copyright (c) 2006-2011, Skype Limited. All rights reserved. |
3 | | Redistribution and use in source and binary forms, with or without |
4 | | modification, are permitted provided that the following conditions |
5 | | are met: |
6 | | - Redistributions of source code must retain the above copyright notice, |
7 | | this list of conditions and the following disclaimer. |
8 | | - Redistributions in binary form must reproduce the above copyright |
9 | | notice, this list of conditions and the following disclaimer in the |
10 | | documentation and/or other materials provided with the distribution. |
11 | | - Neither the name of Internet Society, IETF or IETF Trust, nor the |
12 | | names of specific contributors, may be used to endorse or promote |
13 | | products derived from this software without specific prior written |
14 | | permission. |
15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
16 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
19 | | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
20 | | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
21 | | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
22 | | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
23 | | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
24 | | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
25 | | POSSIBILITY OF SUCH DAMAGE. |
26 | | ***********************************************************************/ |
27 | | |
28 | | #ifdef HAVE_CONFIG_H |
29 | | #include "config.h" |
30 | | #endif |
31 | | |
32 | | #include "SigProc_FLP.h" |
33 | | |
34 | | /* multiply a vector by a constant */ |
35 | | void silk_scale_vector_FLP( |
36 | | silk_float *data1, |
37 | | silk_float gain, |
38 | | opus_int dataSize |
39 | | ) |
40 | 0 | { |
41 | 0 | opus_int i, dataSize4; |
42 | | |
43 | | /* 4x unrolled loop */ |
44 | 0 | dataSize4 = dataSize & 0xFFFC; |
45 | 0 | for( i = 0; i < dataSize4; i += 4 ) { |
46 | 0 | data1[ i + 0 ] *= gain; |
47 | 0 | data1[ i + 1 ] *= gain; |
48 | 0 | data1[ i + 2 ] *= gain; |
49 | 0 | data1[ i + 3 ] *= gain; |
50 | 0 | } |
51 | | |
52 | | /* any remaining elements */ |
53 | 0 | for( ; i < dataSize; i++ ) { |
54 | 0 | data1[ i ] *= gain; |
55 | 0 | } |
56 | 0 | } |