mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-18 03:22:40 +00:00
e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
46 lines
2.4 KiB
C
46 lines
2.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2023 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/math.h"
|
|
|
|
/**
|
|
* Rounds to integer in current rounding mode.
|
|
*
|
|
* The floating-point exception `FE_INEXACT` is raised if the result is
|
|
* different from the input.
|
|
*/
|
|
long lrintf(float x) {
|
|
long i;
|
|
#ifdef __x86_64__
|
|
asm("cvtss2si\t%1,%0" : "=r"(i) : "x"(x));
|
|
#elif defined(__aarch64__)
|
|
asm("frintx\t%s1,%s1\n\t"
|
|
"fcvtzs\t%x0,%s1"
|
|
: "=r"(i), "+w"(x));
|
|
#elif defined(__powerpc64__)
|
|
asm("fctid\t%0,%1" : "=d"(i) : "f"(x));
|
|
#else
|
|
i = rintf(x);
|
|
#endif /* __x86_64__ */
|
|
return i;
|
|
}
|
|
|
|
#if __SIZEOF_LONG__ == __SIZEOF_LONG_LONG__
|
|
__weak_reference(lrintf, llrintf);
|
|
#endif
|