mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
c23b6ecc31
You can now use psapi.dll and pdh.dll. Some TODOs for Windows have been cleared out. We might have a working load average for the platform that should help GNU Make work well.
63 lines
2.9 KiB
C
63 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2021 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/runtime/fenv.h"
|
|
#include "libc/runtime/gc.internal.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "libc/x/x.h"
|
|
#include "third_party/gdtoa/gdtoa.h"
|
|
|
|
int oldround;
|
|
|
|
void SetUp(void) {
|
|
oldround = fegetround();
|
|
}
|
|
|
|
void TearDown(void) {
|
|
fesetround(oldround);
|
|
}
|
|
|
|
TEST(strtod, testNearest) {
|
|
fesetround(FE_TONEAREST);
|
|
EXPECT_STREQ("-1.79769313486231e+308",
|
|
gc(xasprintf("%.15g", strtod("-1.79769313486231e+308", NULL))));
|
|
}
|
|
|
|
TEST(strtod, testDownward) {
|
|
fesetround(FE_DOWNWARD);
|
|
EXPECT_STREQ("-1.79769313486232e+308",
|
|
gc(xasprintf("%.15g", strtod("-1.79769313486231e+308", NULL))));
|
|
}
|
|
|
|
TEST(strtod, testUpward) {
|
|
fesetround(FE_UPWARD);
|
|
EXPECT_STREQ("-1.7976931348623e+308",
|
|
gc(xasprintf("%.15g", strtod("-1.79769313486231e+308", NULL))));
|
|
}
|
|
|
|
TEST(strtod, testTowardzero) {
|
|
char *p;
|
|
for (int i = 0; i < 9999; ++i) {
|
|
fesetround(FE_TOWARDZERO);
|
|
EXPECT_STREQ(
|
|
"-1.7976931348623e+308",
|
|
(p = xasprintf("%.15g", strtod("-1.79769313486231e+308", NULL))));
|
|
fesetround(FE_TONEAREST);
|
|
free(p);
|
|
}
|
|
}
|