mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-22 21:32:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Get more Python tests passing (#141)

Browse source
This commit is contained in:
Justine Tunney 2021-08-16 15:26:31 -07:00
parent 916f19eea1
commit 59e1c245d1
141 changed files with 3536 additions and 1203 deletions
Download patch file Download diff file Expand all files Collapse all files

16
libc/tinymath/nextafterf.c
View file

@ -1,5 +1,5 @@
/*-*- 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│
/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8 -*-│
│vi: set et ft=c ts=8 tw=8 fenc=utf-8 :vi│
╚──────────────────────────────────────────────────────────────────────────────╝
│ │
│ Musl Libc │
@ -26,20 +26,14 @@
│ │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/math.h"
#include "libc/tinymath/feval.internal.h"
asm(".ident\t\"\\n\\n\
Musl libc (MIT License)\\n\
Copyright 2005-2014 Rich Felker, et. al.\"");
asm(".include \"libc/disclaimer.inc\"");
/* clang-format off */
static inline void force_eval(float x)
{
volatile float y;
y = x;
}
float nextafterf(float x, float y)
{
union {float f; uint32_t i;} ux={x}, uy={y};
@ -62,9 +56,9 @@ float nextafterf(float x, float y)
e = ux.i & 0x7f800000;
/* raise overflow if ux.f is infinite and x is finite */
if (e == 0x7f800000)
force_eval(x+x);
feval(x+x);
/* raise underflow if ux.f is subnormal or zero */
if (e == 0)
force_eval(x*x + ux.f*ux.f);
feval(x*x + ux.f*ux.f);
return ux.f;
}