276 lines
6.8 KiB
C
276 lines
6.8 KiB
C
/* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation,
|
|
Gregory Maxwell
|
|
Written by Jean-Marc Valin, Gregory Maxwell, and Timothy B. Terriberry */
|
|
/*
|
|
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.
|
|
|
|
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 OPUS_ENABLED
|
|
#include "opus/opus_config.h"
|
|
#endif
|
|
|
|
#ifndef CUSTOM_MODES
|
|
#define CUSTOM_MODES
|
|
#endif
|
|
|
|
#define CELT_C
|
|
|
|
#include "opus/celt/mathops.c"
|
|
#include "opus/celt/entenc.c"
|
|
#include "opus/celt/entdec.c"
|
|
#include "opus/celt/entcode.c"
|
|
#include "opus/celt/bands.c"
|
|
#include "opus/celt/quant_bands.c"
|
|
#include "opus/celt/laplace.c"
|
|
#include "opus/celt/vq.c"
|
|
#include "opus/celt/cwrs.c"
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
|
|
#ifdef OPUS_FIXED_POINT
|
|
#define WORD "%d"
|
|
#else
|
|
#define WORD "%f"
|
|
#endif
|
|
|
|
int ret = 0;
|
|
|
|
void testdiv(void)
|
|
{
|
|
opus_int32 i;
|
|
for (i=1;i<=327670;i++)
|
|
{
|
|
double prod;
|
|
opus_val32 val;
|
|
val = celt_rcp(i);
|
|
#ifdef OPUS_FIXED_POINT
|
|
prod = (1./32768./65526.)*val*i;
|
|
#else
|
|
prod = val*i;
|
|
#endif
|
|
if (fabs(prod-1) > .00025)
|
|
{
|
|
fprintf (stderr, "div failed: 1/%d="WORD" (product = %f)\n", i, val, prod);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void testsqrt(void)
|
|
{
|
|
opus_int32 i;
|
|
for (i=1;i<=1000000000;i++)
|
|
{
|
|
double ratio;
|
|
opus_val16 val;
|
|
val = celt_sqrt(i);
|
|
ratio = val/sqrt(i);
|
|
if (fabs(ratio - 1) > .0005 && fabs(val-sqrt(i)) > 2)
|
|
{
|
|
fprintf (stderr, "sqrt failed: sqrt(%d)="WORD" (ratio = %f)\n", i, val, ratio);
|
|
ret = 1;
|
|
}
|
|
i+= i>>10;
|
|
}
|
|
}
|
|
|
|
void testbitexactcos(void)
|
|
{
|
|
int i;
|
|
opus_int32 min_d,max_d,last,chk;
|
|
chk=max_d=0;
|
|
last=min_d=32767;
|
|
for(i=64;i<=16320;i++)
|
|
{
|
|
opus_int32 d;
|
|
opus_int32 q=bitexact_cos(i);
|
|
chk ^= q*i;
|
|
d = last - q;
|
|
if (d>max_d)max_d=d;
|
|
if (d<min_d)min_d=d;
|
|
last = q;
|
|
}
|
|
if ((chk!=89408644)||(max_d!=5)||(min_d!=0)||(bitexact_cos(64)!=32767)||
|
|
(bitexact_cos(16320)!=200)||(bitexact_cos(8192)!=23171))
|
|
{
|
|
fprintf (stderr, "bitexact_cos failed\n");
|
|
ret = 1;
|
|
}
|
|
}
|
|
|
|
void testbitexactlog2tan(void)
|
|
{
|
|
int i,fail;
|
|
opus_int32 min_d,max_d,last,chk;
|
|
fail=chk=max_d=0;
|
|
last=min_d=15059;
|
|
for(i=64;i<8193;i++)
|
|
{
|
|
opus_int32 d;
|
|
opus_int32 mid=bitexact_cos(i);
|
|
opus_int32 side=bitexact_cos(16384-i);
|
|
opus_int32 q=bitexact_log2tan(mid,side);
|
|
chk ^= q*i;
|
|
d = last - q;
|
|
if (q!=-1*bitexact_log2tan(side,mid))
|
|
fail = 1;
|
|
if (d>max_d)max_d=d;
|
|
if (d<min_d)min_d=d;
|
|
last = q;
|
|
}
|
|
if ((chk!=15821257)||(max_d!=61)||(min_d!=-2)||fail||
|
|
(bitexact_log2tan(32767,200)!=15059)||(bitexact_log2tan(30274,12540)!=2611)||
|
|
(bitexact_log2tan(23171,23171)!=0))
|
|
{
|
|
fprintf (stderr, "bitexact_log2tan failed\n");
|
|
ret = 1;
|
|
}
|
|
}
|
|
|
|
#ifndef OPUS_FIXED_POINT
|
|
void testlog2(void)
|
|
{
|
|
float x;
|
|
for (x=0.001;x<1677700.0;x+=(x/8.0))
|
|
{
|
|
float error = fabs((1.442695040888963387*log(x))-celt_log2(x));
|
|
if (error>0.0009)
|
|
{
|
|
fprintf (stderr, "celt_log2 failed: fabs((1.442695040888963387*log(x))-celt_log2(x))>0.001 (x = %f, error = %f)\n", x,error);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void testexp2(void)
|
|
{
|
|
float x;
|
|
for (x=-11.0;x<24.0;x+=0.0007)
|
|
{
|
|
float error = fabs(x-(1.442695040888963387*log(celt_exp2(x))));
|
|
if (error>0.0002)
|
|
{
|
|
fprintf (stderr, "celt_exp2 failed: fabs(x-(1.442695040888963387*log(celt_exp2(x))))>0.0005 (x = %f, error = %f)\n", x,error);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void testexp2log2(void)
|
|
{
|
|
float x;
|
|
for (x=-11.0;x<24.0;x+=0.0007)
|
|
{
|
|
float error = fabs(x-(celt_log2(celt_exp2(x))));
|
|
if (error>0.001)
|
|
{
|
|
fprintf (stderr, "celt_log2/celt_exp2 failed: fabs(x-(celt_log2(celt_exp2(x))))>0.001 (x = %f, error = %f)\n", x,error);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
void testlog2(void)
|
|
{
|
|
opus_val32 x;
|
|
for (x=8;x<1073741824;x+=(x>>3))
|
|
{
|
|
float error = fabs((1.442695040888963387*log(x/16384.0))-celt_log2(x)/1024.0);
|
|
if (error>0.003)
|
|
{
|
|
fprintf (stderr, "celt_log2 failed: x = %ld, error = %f\n", (long)x,error);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void testexp2(void)
|
|
{
|
|
opus_val16 x;
|
|
for (x=-32768;x<15360;x++)
|
|
{
|
|
float error1 = fabs(x/1024.0-(1.442695040888963387*log(celt_exp2(x)/65536.0)));
|
|
float error2 = fabs(exp(0.6931471805599453094*x/1024.0)-celt_exp2(x)/65536.0);
|
|
if (error1>0.0002&&error2>0.00004)
|
|
{
|
|
fprintf (stderr, "celt_exp2 failed: x = "WORD", error1 = %f, error2 = %f\n", x,error1,error2);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void testexp2log2(void)
|
|
{
|
|
opus_val32 x;
|
|
for (x=8;x<65536;x+=(x>>3))
|
|
{
|
|
float error = fabs(x-0.25*celt_exp2(celt_log2(x)))/16384;
|
|
if (error>0.004)
|
|
{
|
|
fprintf (stderr, "celt_log2/celt_exp2 failed: fabs(x-(celt_exp2(celt_log2(x))))>0.001 (x = %ld, error = %f)\n", (long)x,error);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void testilog2(void)
|
|
{
|
|
opus_val32 x;
|
|
for (x=1;x<=268435455;x+=127)
|
|
{
|
|
opus_val32 lg;
|
|
opus_val32 y;
|
|
|
|
lg = celt_ilog2(x);
|
|
if (lg<0 || lg>=31)
|
|
{
|
|
printf("celt_ilog2 failed: 0<=celt_ilog2(x)<31 (x = %d, celt_ilog2(x) = %d)\n",x,lg);
|
|
ret = 1;
|
|
}
|
|
y = 1<<lg;
|
|
|
|
if (x<y || (x>>1)>=y)
|
|
{
|
|
printf("celt_ilog2 failed: 2**celt_ilog2(x)<=x<2**(celt_ilog2(x)+1) (x = %d, 2**celt_ilog2(x) = %d)\n",x,y);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
int main(void)
|
|
{
|
|
testbitexactcos();
|
|
testbitexactlog2tan();
|
|
testdiv();
|
|
testsqrt();
|
|
testlog2();
|
|
testexp2();
|
|
testexp2log2();
|
|
#ifdef OPUS_FIXED_POINT
|
|
testilog2();
|
|
#endif
|
|
return ret;
|
|
}
|