summaryrefslogtreecommitdiff
path: root/src/opus-1.0.2/silk/float/energy_FLP.c
diff options
context:
space:
mode:
authorhairball <xhairball@gmail.com>2014-02-08 03:21:02 +0000
committerTim Angus <tim@ngus.net>2014-06-17 17:43:38 +0100
commit35064811c0ac104acddd7777e00bfd9e054c2db6 (patch)
tree4063389141542093ecc3de47e3999ed099520621 /src/opus-1.0.2/silk/float/energy_FLP.c
parent1778f3fb8cabe7400011c84331018b0ebf6a44b1 (diff)
Upgrade opus 1.0.2 -> 1.1
Diffstat (limited to 'src/opus-1.0.2/silk/float/energy_FLP.c')
-rw-r--r--src/opus-1.0.2/silk/float/energy_FLP.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/src/opus-1.0.2/silk/float/energy_FLP.c b/src/opus-1.0.2/silk/float/energy_FLP.c
deleted file mode 100644
index e3eedf97..00000000
--- a/src/opus-1.0.2/silk/float/energy_FLP.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/***********************************************************************
-Copyright (c) 2006-2011, Skype Limited. All rights reserved.
-Redistribution and use in source and binary forms, with or without
-modification, 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 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”
-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.
-***********************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "SigProc_FLP.h"
-
-/* sum of squares of a silk_float array, with result as double */
-double silk_energy_FLP(
- const silk_float *data,
- opus_int dataSize
-)
-{
- opus_int i, dataSize4;
- double result;
-
- /* 4x unrolled loop */
- result = 0.0;
- dataSize4 = dataSize & 0xFFFC;
- for( i = 0; i < dataSize4; i += 4 ) {
- result += data[ i + 0 ] * (double)data[ i + 0 ] +
- data[ i + 1 ] * (double)data[ i + 1 ] +
- data[ i + 2 ] * (double)data[ i + 2 ] +
- data[ i + 3 ] * (double)data[ i + 3 ];
- }
-
- /* add any remaining products */
- for( ; i < dataSize; i++ ) {
- result += data[ i ] * (double)data[ i ];
- }
-
- silk_assert( result >= 0.0 );
- return result;
-}