diff options
Diffstat (limited to 'security/nss/lib/freebl/mpi/tests/mptest-3a.c')
-rw-r--r-- | security/nss/lib/freebl/mpi/tests/mptest-3a.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/security/nss/lib/freebl/mpi/tests/mptest-3a.c b/security/nss/lib/freebl/mpi/tests/mptest-3a.c deleted file mode 100644 index c6cea7046..000000000 --- a/security/nss/lib/freebl/mpi/tests/mptest-3a.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Simple test driver for MPI library - * - * Test 3a: Multiplication vs. squaring timing test - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <limits.h> - -#include <time.h> - -#include "mpi.h" -#include "mpprime.h" - -int -main(int argc, char *argv[]) -{ - int ix, num, prec = 8; - double d1, d2; - clock_t start, finish; - time_t seed; - mp_int a, c, d; - - seed = time(NULL); - - if (argc < 2) { - fprintf(stderr, "Usage: %s <num-tests> [<precision>]\n", argv[0]); - return 1; - } - - if ((num = atoi(argv[1])) < 0) - num = -num; - - if (!num) { - fprintf(stderr, "%s: must perform at least 1 test\n", argv[0]); - return 1; - } - - if (argc > 2) { - if ((prec = atoi(argv[2])) <= 0) - prec = 8; - else - prec = (prec + (DIGIT_BIT - 1)) / DIGIT_BIT; - } - - printf("Test 3a: Multiplication vs squaring timing test\n" - "Precision: %d digits (%u bits)\n" - "# of tests: %d\n\n", - prec, prec * DIGIT_BIT, num); - - mp_init_size(&a, prec); - - mp_init(&c); - mp_init(&d); - - printf("Verifying accuracy ... \n"); - srand((unsigned int)seed); - for (ix = 0; ix < num; ix++) { - mpp_random_size(&a, prec); - mp_mul(&a, &a, &c); - mp_sqr(&a, &d); - - if (mp_cmp(&c, &d) != 0) { - printf("Error! Results not accurate:\n"); - printf("a = "); - mp_print(&a, stdout); - fputc('\n', stdout); - printf("c = "); - mp_print(&c, stdout); - fputc('\n', stdout); - printf("d = "); - mp_print(&d, stdout); - fputc('\n', stdout); - mp_sub(&c, &d, &d); - printf("dif "); - mp_print(&d, stdout); - fputc('\n', stdout); - mp_clear(&c); - mp_clear(&d); - mp_clear(&a); - return 1; - } - } - printf("Accuracy is confirmed for the %d test samples\n", num); - mp_clear(&d); - - printf("Testing squaring ... \n"); - srand((unsigned int)seed); - start = clock(); - for (ix = 0; ix < num; ix++) { - mpp_random_size(&a, prec); - mp_sqr(&a, &c); - } - finish = clock(); - - d2 = (double)(finish - start) / CLOCKS_PER_SEC; - - printf("Testing multiplication ... \n"); - srand((unsigned int)seed); - start = clock(); - for (ix = 0; ix < num; ix++) { - mpp_random(&a); - mp_mul(&a, &a, &c); - } - finish = clock(); - - d1 = (double)(finish - start) / CLOCKS_PER_SEC; - - printf("Multiplication time: %.3f sec (%.3f each)\n", d1, d1 / num); - printf("Squaring time: %.3f sec (%.3f each)\n", d2, d2 / num); - printf("Improvement: %.2f%%\n", (1.0 - (d2 / d1)) * 100.0); - - mp_clear(&c); - mp_clear(&a); - - return 0; -} |