diff options
Diffstat (limited to '2.3-1/src/c/operations/subtraction/testSubtraction.c')
-rw-r--r-- | 2.3-1/src/c/operations/subtraction/testSubtraction.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/2.3-1/src/c/operations/subtraction/testSubtraction.c b/2.3-1/src/c/operations/subtraction/testSubtraction.c new file mode 100644 index 00000000..ce29e2a3 --- /dev/null +++ b/2.3-1/src/c/operations/subtraction/testSubtraction.c @@ -0,0 +1,132 @@ +/* + * 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; +} |