mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 15:30:07 +00:00
118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/* Measure strtod implementation.
|
|
Copyright (C) 2013-2014 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 ()
|
|
|
|
#include "../test-skeleton.c"
|