mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +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/' ```
90 lines
4.1 KiB
C
90 lines
4.1 KiB
C
/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set noet ft=c ts=8 tw=8 fenc=utf-8 :vi │
|
|
╚──────────────────────────────────────────────────────────────────────────────╝
|
|
│ │
|
|
│ The author of this software is David M. Gay. │
|
|
│ Please send bug reports to David M. Gay <dmg@acm.org> │
|
|
│ or Justine Tunney <jtunney@gmail.com> │
|
|
│ │
|
|
│ Copyright (C) 1998, 1999 by Lucent Technologies │
|
|
│ All Rights Reserved │
|
|
│ │
|
|
│ Permission to use, copy, modify, and distribute this software and │
|
|
│ its documentation for any purpose and without fee is hereby │
|
|
│ granted, provided that the above copyright notice appear in all │
|
|
│ copies and that both that the copyright notice and this │
|
|
│ permission notice and warranty disclaimer appear in supporting │
|
|
│ documentation, and that the name of Lucent or any of its entities │
|
|
│ not be used in advertising or publicity pertaining to │
|
|
│ distribution of the software without specific, written prior │
|
|
│ permission. │
|
|
│ │
|
|
│ LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, │
|
|
│ INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. │
|
|
│ IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY │
|
|
│ SPECIAL, 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 "third_party/gdtoa/gdtoa.internal.h"
|
|
|
|
extern UShort __gdtoa_NanDflt_ldus[5];
|
|
|
|
void
|
|
__gdtoa_ULtox(UShort *L, ULong *bits, Long exp, int k)
|
|
{
|
|
switch(k & STRTOG_Retmask) {
|
|
case STRTOG_NoNumber:
|
|
case STRTOG_Zero:
|
|
L[0] = L[1] = L[2] = L[3] = L[4] = 0;
|
|
break;
|
|
case STRTOG_Denormal:
|
|
L[4] = 0;
|
|
goto normal_bits;
|
|
case STRTOG_Normal:
|
|
case STRTOG_NaNbits:
|
|
L[4] = exp + 0x3fff + 63;
|
|
normal_bits:
|
|
L[0] = (UShort)bits[0];
|
|
L[1] = (UShort)(bits[0] >> 16);
|
|
L[2] = (UShort)bits[1];
|
|
L[3] = (UShort)(bits[1] >> 16);
|
|
break;
|
|
case STRTOG_Infinite:
|
|
L[4] = 0x7fff;
|
|
L[3] = 0x8000;
|
|
L[2] = L[1] = L[0] = 0;
|
|
break;
|
|
case STRTOG_NaN:
|
|
L[0] = __gdtoa_NanDflt_ldus[0];
|
|
L[1] = __gdtoa_NanDflt_ldus[1];
|
|
L[2] = __gdtoa_NanDflt_ldus[2];
|
|
L[3] = __gdtoa_NanDflt_ldus[3];
|
|
L[4] = __gdtoa_NanDflt_ldus[4];
|
|
}
|
|
if (k & STRTOG_Neg)
|
|
L[4] |= 0x8000;
|
|
}
|
|
|
|
int
|
|
strtorx(const char *s, char **sp, int rounding, void *L)
|
|
{
|
|
static const FPI fpi0 = { 64, 1-16383-64+1, 32766 - 16383 - 64 + 1, 1, SI, 0 /*unused*/ };
|
|
FPI fpi1;
|
|
const FPI *fpi;
|
|
ULong bits[2];
|
|
Long exp;
|
|
int k;
|
|
fpi = &fpi0;
|
|
if (rounding != FPI_Round_near) {
|
|
fpi1 = fpi0;
|
|
fpi1.rounding = rounding;
|
|
fpi = &fpi1;
|
|
}
|
|
k = strtodg(s, sp, fpi, &exp, bits);
|
|
__gdtoa_ULtox((UShort*)L, bits, exp, k);
|
|
return k;
|
|
}
|