2 files changed, 56 insertions, 6 deletions
diff --git a/silk b/silk
deleted file mode 160000
-Subproject 8a8b76efeeccaccf402b0b2b4e469980d0a4831
diff --git a/silk/SKP_Silk_energy_FLP.c b/silk/SKP_Silk_energy_FLP.c
new file mode 100644
index 00000000..579364d2
--- /dev/null
+++ b/silk/SKP_Silk_energy_FLP.c
@@ -0,0 +1,56 @@
+/***********************************************************************
+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.
+***********************************************************************/
+
+#include "SKP_Silk_SigProc_FLP.h"
+
+/* sum of squares of a SKP_float array, with result as double */
+double SKP_Silk_energy_FLP( 
+    const SKP_float     *data, 
+    SKP_int             dataSize
+)
+{
+    SKP_int  i, dataSize4;
+    double   result;
+
+    /* 4x unrolled loop */
+    result = 0.0f;
+    dataSize4 = dataSize & 0xFFFC;
+    for( i = 0; i < dataSize4; i += 4 ) {
+        result += data[ i + 0 ] * data[ i + 0 ] + 
+                  data[ i + 1 ] * data[ i + 1 ] +
+                  data[ i + 2 ] * data[ i + 2 ] +
+                  data[ i + 3 ] * data[ i + 3 ];
+    }
+
+    /* add any remaining products */
+    for( ; i < dataSize; i++ ) {
+        result += data[ i ] * data[ i ];
+    }
+
+    SKP_assert( result >= 0.0 );
+    return result;
+}