Windows implementation WIP

This commit is contained in:
Kearwood Gilbert
2016-07-10 03:33:58 -07:00
parent 16b731cea9
commit 3a7c1ba0eb
156 changed files with 86861 additions and 75 deletions

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3rdparty/ffts/ffts-master/tests/test.c vendored Normal file
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/*
This file is part of SFFT.
Copyright (c) 2012, Anthony M. Blake
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 the organization 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 ANTHONY M. BLAKE 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 <stdio.h>
#include <math.h>
#ifdef __ARM_NEON__
#endif
#ifdef HAVE_SSE
#include <xmmintrin.h>
#endif
#include "../include/ffts.h"
#define PI 3.1415926535897932384626433832795028841971693993751058209
float impulse_error(int N, int sign, float *data) {
#ifdef __ANDROID__
double delta_sum = 0.0f;
double sum = 0.0f;
#else
long double delta_sum = 0.0f;
long double sum = 0.0f;
#endif
int i;
for(i=0;i<N;i++) {
#ifdef __ANDROID__
double re, im;
if(sign < 0) {
re = cos(2 * PI * (double)i / (double)N);
im = -sin(2 * PI * (double)i / (double)N);
}else{
re = cos(2 * PI * (double)i / (double)N);
im = sin(2 * PI * (double)i / (double)N);
}
#else
long double re, im;
if(sign < 0) {
re = cosl(2 * PI * (long double)i / (long double)N);
im = -sinl(2 * PI * (long double)i / (long double)N);
}else{
re = cosl(2 * PI * (long double)i / (long double)N);
im = sinl(2 * PI * (long double)i / (long double)N);
}
#endif
sum += re * re + im * im;
re = re - data[2*i];
im = im - data[2*i+1];
delta_sum += re * re + im * im;
}
#ifdef __ANDROID__
return sqrt(delta_sum) / sqrt(sum);
#else
return sqrtl(delta_sum) / sqrtl(sum);
#endif
}
int
test_transform(int n, int sign) {
#ifdef HAVE_SSE
float __attribute__ ((aligned(32))) *input = _mm_malloc(2 * n * sizeof(float), 32);
float __attribute__ ((aligned(32))) *output = _mm_malloc(2 * n * sizeof(float), 32);
#else
float __attribute__ ((aligned(32))) *input = valloc(2 * n * sizeof(float));
float __attribute__ ((aligned(32))) *output = valloc(2 * n * sizeof(float));
#endif
int i;
for(i=0;i<n;i++) {
input[2*i] = 0.0f;
input[2*i+1] = 0.0f;
}
input[2] = 1.0f;
ffts_plan_t *p = ffts_init_1d(i, sign);
if(p) {
ffts_execute(p, input, output);
printf(" %3d | %9d | %10E\n", sign, n, impulse_error(n, sign, output));
ffts_free(p);
}else{
printf("Plan unsupported\n");
return 0;
}
return 1;
}
int
main(int argc, char *argv[]) {
if(argc == 3) {
// test specific transform with test pattern and display output
int n = atoi(argv[1]);
int sign = atoi(argv[2]);
#ifdef HAVE_SSE
float __attribute__ ((aligned(32))) *input = _mm_malloc(2 * n * sizeof(float), 32);
float __attribute__ ((aligned(32))) *output = _mm_malloc(2 * n * sizeof(float), 32);
#else
float __attribute__ ((aligned(32))) *input = valloc(2 * n * sizeof(float));
float __attribute__ ((aligned(32))) *output = valloc(2 * n * sizeof(float));
#endif
int i;
for(i=0;i<n;i++) {
input[2*i] = i;
input[2*i+1] = 0.0f;
}
// input[2] = 1.0f;
ffts_plan_t *p = ffts_init_1d(i, sign);
if(p) {
ffts_execute(p, input, output);
for(i=0;i<n;i++) printf("%d %d %f %f\n", i, sign, output[2*i], output[2*i+1]);
ffts_free(p);
}else{
printf("Plan unsupported\n");
return 0;
}
#ifdef HAVE_NEON
_mm_free(input);
_mm_free(output);
#else
free(input);
free(output);
#endif
}else{
// test various sizes and display error
printf(" Sign | Size | L2 Error\n");
printf("------+-----------+-------------\n");
int n;
for(n=1;n<=18;n++) {
test_transform(pow(2,n), -1);
}
for(n=1;n<=18;n++) {
test_transform(pow(2,n), 1);
}
}
return 0;
}
// vim: set autoindent noexpandtab tabstop=3 shiftwidth=3: