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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include "subtraction.h"
#define SIZE 10000
/* #define LOCAL_DEBUG */
static void zdiffaTest(void) {
doubleComplex M1[SIZE];
doubleComplex M2[SIZE];
doubleComplex M1_but_M2[SIZE];
int i = 0;
srand(1);
for (i = 0; i < SIZE; ++i) {
M1[i] = DoubleComplex((double) rand(), (double) rand());
M2[i] = DoubleComplex((double) rand(), (double) rand());
}
zdiffa(M1, SIZE, M2, SIZE, M1_but_M2);
for (i = 0; i < SIZE; ++i) {
#ifdef LOCAL_DEBUG
printf("M1_but_M2 = %e + %e i\n", zreals(M1_but_M2[i]), zimags(M1_but_M2[i]));
#endif
assert(zreals(M1_but_M2[i]) - (zreals(M1[i]) - zreals(M2[i])) == 0);
assert(zimags(M1_but_M2[i]) - (zimags(M1[i]) - zimags(M2[i])) == 0);
}
}
static void cdiffaTest(void) {
floatComplex M1[SIZE];
floatComplex M2[SIZE];
floatComplex M1_but_M2[SIZE];
int i = 0;
srand(1);
for (i = 0; i < SIZE; ++i) {
M1[i] = FloatComplex((float) rand(), (float) rand());
M2[i] = FloatComplex((float) rand(), (float) rand());
}
cdiffa(M1, SIZE, M2, SIZE, M1_but_M2);
for (i = 0; i < SIZE; ++i) {
#ifdef LOCAL_DEBUG
printf("M1_but_M2 = %e + %e i\n", creals(M1_but_M2[i]), cimags(M1_but_M2[i]));
#endif
assert(fabsf(creals(M1_but_M2[i]) - (creals(M1[i]) - creals(M2[i]))) / creals(M1_but_M2[i]) < 1e-07);
assert(fabsf(cimags(M1_but_M2[i]) - (cimags(M1[i]) - cimags(M2[i]))) / cimags(M1_but_M2[i]) < 1e-07);
}
}
static void sdiffaTest(void) {
float M1[SIZE];
float M2[SIZE];
float M1_but_M2[SIZE];
int i = 0;
srand(1);
for (i = 0; i < SIZE; ++i) {
M1[i] = (float) rand();
M2[i] = (float) rand();
}
sdiffa(M1, SIZE, M2, SIZE, M1_but_M2);
for (i = 0; i < SIZE; ++i) {
#ifdef LOCAL_DEBUG
printf("M1_but_M2 = %e\n", M1_but_M2[i]);
printf("M1[i] - M2[i] = %e\n", (M1[i] - M2[i]));
printf("Error = %e\n",(float) fabsf(M1_but_M2[i] - (M1[i] - M2[i])) / M1_but_M2[i]);
#endif
assert(fabsf(M1_but_M2[i] - (M1[i] - M2[i])) / M1_but_M2[i] < 1e-07);
}
}
static void ddiffaTest(void) {
double M1[SIZE];
double M2[SIZE];
double M1_but_M2[SIZE];
int i = 0;
srand(1);
for (i = 0; i < SIZE; ++i) {
M1[i] = (double) rand();
M2[i] = (double) rand();
}
ddiffa(M1, SIZE, M2, SIZE, M1_but_M2);
for (i = 0; i < SIZE; ++i) {
#ifdef LOCAL_DEBUG
printf("M1_but_M2 = %e\n", M1_but_M2[i]);
printf("M1[i] = %e\n", M1[i]);
printf("M2[i] = %e\n", M2[i]);
printf("M1[i] - M2[i] = %e\n", (M1[i] - M2[i]));
printf("Error = %e\n", fabs(M1_but_M2[i] - (M1[i] - M2[i])));
#endif
assert(fabs(M1_but_M2[i] - (M1[i] - M2[i])) == 0);
}
}
static int testSubtraction(void) {
printf("\n>>>> Subtraction Tests\n");
sdiffaTest();
ddiffaTest();
cdiffaTest();
zdiffaTest();
return 0;
}
int main(void) {
assert(testSubtraction() == 0);
return 0;
}
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