/* Measure strtod implementation. Copyright (C) 2013-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #define TEST_MAIN #define TEST_NAME "strtod" #include <stdio.h> #include <stdlib.h> #include "bench-timing.h" #undef INNER_LOOP_ITERS #define INNER_LOOP_ITERS 65536 static const char *inputs[] = { "1e308", "100000000e300", "0x1p1023", "0x1000p1011", "0x1p1020", "0x0.00001p1040" "1e-307", "0.000001e-301", "0.0000001e-300", "0.00000001e-299", "1000000e-313", "10000000e-314", "100000000e-315", "0x1p-1021", "0x1000p-1033", "0x10000p-1037", "0x0.001p-1009", "0x0.0001p-1005", "12.345", "12.345e19", "-.1e+9", ".125", "1e20", "0e-19", "4\00012", "5.9e-76", "0x1.4p+3", "0xAp0", "0x0Ap0", "0x0A", "0xA0", "0x0.A0p8", "0x0.50p9", "0x0.28p10", "0x0.14p11", "0x0.0A0p12", "0x0.050p13", "0x0.028p14", "0x0.014p15", "0x00.00A0p16", "0x00.0050p17", "0x00.0028p18", "0x00.0014p19", "0x1p-1023", "0x0.8p-1022", "Inf", "-Inf", "+InFiNiTy", "0x80000Ap-23", "1e-324", "0x100000000000008p0", "0x100000000000008.p0", "0x100000000000008.00p0", "0x10000000000000800p0", "0x10000000000000801p0", NULL }; int do_bench (void) { const size_t iters = INNER_LOOP_ITERS; timing_t res __attribute__ ((unused)); TIMING_INIT (res); for (size_t i = 0; inputs[i] != NULL; ++i) { char *ep; timing_t start, stop, cur; printf ("Input %-24s:", inputs[i]); TIMING_NOW (start); for (size_t j = 0; j < iters; ++j) strtod (inputs[i], &ep); TIMING_NOW (stop); TIMING_DIFF (cur, start, stop); TIMING_PRINT_MEAN ((double) cur, (double) iters); putchar ('\n'); } return 0; } #define TEST_FUNCTION do_bench () /* On slower platforms this test needs more than the default 2 seconds. */ #define TIMEOUT 10 #include "../test-skeleton.c"