Update FLAC to 1.3.1

src/libFLAC/float.c

 /* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2004,2005,2006,2007  Josh Coalson
+ * Copyright (C) 2004-2009  Josh Coalson
+ * Copyright (C) 2011-2014  Xiph.Org Foundation
  *
  * 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 the Xiph.org Foundation nor the names of its
  * 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 FOUNDATION 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.
  */
 
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
 #  include <config.h>
 #endif
 
 #include "FLAC/assert.h"
-
+#include "share/compat.h"
 #include "private/float.h"
 
 #ifdef FLAC__INTEGER_ONLY_LIBRARY
 
-/* adjust for compilers that can't understand using LLU suffix for uint64_t literals */
-#ifdef _MSC_VER
-#define FLAC__U64L(x) x
-#else
-#define FLAC__U64L(x) x##LLU
-#endif
-
 const FLAC__fixedpoint FLAC__FP_ZERO = 0;
 const FLAC__fixedpoint FLAC__FP_ONE_HALF = 0x00008000;
 const FLAC__fixedpoint FLAC__FP_ONE = 0x00010000;
 const FLAC__fixedpoint FLAC__FP_LN2 = 45426;
 const FLAC__fixedpoint FLAC__FP_E = 178145;
 
 /* Lookup tables for Knuth's logarithm algorithm */
 #define LOG2_LOOKUP_PRECISION 16
 static const FLAC__uint32 log2_lookup[][LOG2_LOOKUP_PRECISION] = {
         {
@@ skipping 216 matching lines @@
 FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, unsigned fracbits, unsigned precision)
 {
         const FLAC__uint32 ONE = (1u << fracbits);
         const FLAC__uint32 *table = log2_lookup[fracbits >> 2];
 
         FLAC__ASSERT(fracbits < 32);
         FLAC__ASSERT((fracbits & 0x3) == 0);
 
         if(x < ONE)
                 return 0;
-        
+
         if(precision > LOG2_LOOKUP_PRECISION)
                 precision = LOG2_LOOKUP_PRECISION;
 
         /* Knuth's algorithm for computing logarithms, optimized for base-2 with lookup tables */
         {
                 FLAC__uint32 y = 0;
                 FLAC__uint32 z = x >> 1, k = 1;
                 while (x > ONE && k < precision) {
                         if (x - z >= ONE) {
                                 x -= z;
                                 z = x >> k;
                                 y += table[k];
                         }
                         else {
                                 z >>= 1;
                                 k++;
                         }
                 }
                 return y;
         }
 }
 
 #endif /* defined FLAC__INTEGER_ONLY_LIBRARY */