/* Copyright (C) 2002-2005 Jean-Marc Valin    File: misc.c   Various utility routines for Speex   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.*/#ifdef HAVE_CONFIG_H#include "config.h"#endif#include <stdlib.h>#include <string.h>#include <stdio.h>#include "misc.h"#ifdef USER_MISC#include "user_misc.h"#endif#ifdef BFIN_ASM#include "misc_bfin.h"#endif#ifndef RELEASEvoid print_vec(float *vec, int len, char *name){   int i;   printf ("%s ", name);   for (i=0;i<len;i++)      printf (" %f", vec[i]);   printf ("\n");}#endif#ifdef FIXED_DEBUGlong long spx_mips=0;#endifspx_uint32_t be_int(spx_uint32_t i){   spx_uint32_t ret=i;#ifndef WORDS_BIGENDIAN   ret =  i>>24;   ret += (i>>8)&0x0000ff00;   ret += (i<<8)&0x00ff0000;   ret += (i<<24);#endif   return ret;}spx_uint32_t le_int(spx_uint32_t i){   spx_uint32_t ret=i;#ifdef WORDS_BIGENDIAN   ret =  i>>24;   ret += (i>>8)&0x0000ff00;   ret += (i<<8)&0x00ff0000;   ret += (i<<24);#endif   return ret;}#if BYTES_PER_CHAR == 2void speex_memcpy_bytes(char *dst, char *src, int nbytes){  int i;  int nchars = nbytes/BYTES_PER_CHAR;  for (i=0;i<nchars;i++)    dst[i]=src[i];  if (nbytes & 1) {    /* copy in the last byte */    int last_i = nchars;    char last_dst_char = dst[last_i];    char last_src_char = src[last_i];    last_dst_char &= 0xff00;    last_dst_char |= (last_src_char & 0x00ff);    dst[last_i] = last_dst_char;  }}void speex_memset_bytes(char *dst, char c, int nbytes){  int i;  spx_int16_t cc = ((c << 8) | c);  int nchars = nbytes/BYTES_PER_CHAR;  for (i=0;i<nchars;i++)    dst[i]=cc;  if (nbytes & 1) {    /* copy in the last byte */    int last_i = nchars;    char last_dst_char = dst[last_i];    last_dst_char &= 0xff00;    last_dst_char |= (c & 0x00ff);    dst[last_i] = last_dst_char;  }}#elsevoid speex_memcpy_bytes(char *dst, char *src, int nbytes){  memcpy(dst, src, nbytes);}void speex_memset_bytes(char *dst, char src, int nbytes){  memset(dst, src, nbytes);}#endif#ifndef OVERRIDE_SPEEX_ALLOCvoid *speex_alloc (int size){   return calloc(size,1);}#endif#ifndef OVERRIDE_SPEEX_ALLOC_SCRATCHvoid *speex_alloc_scratch (int size){   return calloc(size,1);}#endif#ifndef OVERRIDE_SPEEX_REALLOCvoid *speex_realloc (void *ptr, int size){   return realloc(ptr, size);}#endif#ifndef OVERRIDE_SPEEX_FREEvoid speex_free (void *ptr){   free(ptr);}#endif#ifndef OVERRIDE_SPEEX_FREE_SCRATCHvoid speex_free_scratch (void *ptr){   free(ptr);}#endif#ifndef OVERRIDE_SPEEX_MOVEvoid *speex_move (void *dest, void *src, int n){   return memmove(dest,src,n);}#endif#ifndef OVERRIDE_SPEEX_ERRORvoid speex_error(const char *str){   fprintf (stderr, "Fatal error: %s\n", str);   exit(1);}#endif#ifndef OVERRIDE_SPEEX_WARNINGvoid speex_warning(const char *str){   fprintf (stderr, "warning: %s\n", str);}#endif#ifndef OVERRIDE_SPEEX_WARNING_INTvoid speex_warning_int(const char *str, int val){   fprintf (stderr, "warning: %s %d\n", str, val);}#endif#ifdef FIXED_POINTspx_word32_t speex_rand(spx_word16_t std, spx_int32_t *seed){   spx_word32_t res;   *seed = 1664525 * *seed + 1013904223;   res = MULT16_16(EXTRACT16(SHR32(*seed,16)),std);   return SUB32(res, SHR(res, 3));}#elsespx_word16_t speex_rand(spx_word16_t std, spx_int32_t *seed){   const unsigned int jflone = 0x3f800000;   const unsigned int jflmsk = 0x007fffff;   union {int i; float f;} ran;   *seed = 1664525 * *seed + 1013904223;   ran.i = jflone | (jflmsk & *seed);   ran.f -= 1.5;   return 3.4642*std*ran.f;}#endifvoid speex_rand_vec(float std, spx_sig_t *data, int len){   int i;   for (i=0;i<len;i++)      data[i]+=SIG_SCALING*3*std*((((float)rand())/RAND_MAX)-.5);}/*float speex_rand(float std){   return 3*std*((((float)rand())/RAND_MAX)-.5);}*/#ifndef OVERRIDE_SPEEX_PUTCvoid _speex_putc(int ch, void *file){   FILE *f = (FILE *)file;   fprintf(f, "%c", ch);}#endif