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-rw-r--r--contrib/gdtoa/strtorf.c89
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diff --git a/contrib/gdtoa/strtorf.c b/contrib/gdtoa/strtorf.c
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--- a/contrib/gdtoa/strtorf.c
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-/****************************************************************
-
-The author of this software is David M. Gay.
-
-Copyright (C) 1998, 2000 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.
-
-****************************************************************/
-
-/* Please send bug reports to David M. Gay (dmg at acm dot org,
- * with " at " changed at "@" and " dot " changed to "."). */
-
-#include "gdtoaimp.h"
-
- void
-#ifdef KR_headers
-ULtof(L, bits, exp, k) ULong *L; ULong *bits; Long exp; int k;
-#else
-ULtof(ULong *L, ULong *bits, Long exp, int k)
-#endif
-{
- switch(k & STRTOG_Retmask) {
- case STRTOG_NoNumber:
- case STRTOG_Zero:
- *L = 0;
- break;
-
- case STRTOG_Normal:
- case STRTOG_NaNbits:
- L[0] = bits[0] & 0x7fffff | exp + 0x7f + 23 << 23;
- break;
-
- case STRTOG_Denormal:
- L[0] = bits[0];
- break;
-
- case STRTOG_Infinite:
- L[0] = 0x7f800000;
- break;
-
- case STRTOG_NaN:
- L[0] = f_QNAN;
- }
- if (k & STRTOG_Neg)
- L[0] |= 0x80000000L;
- }
-
- int
-#ifdef KR_headers
-strtorf(s, sp, rounding, f) CONST char *s; char **sp; int rounding; float *f;
-#else
-strtorf(CONST char *s, char **sp, int rounding, float *f)
-#endif
-{
- static FPI fpi0 = { 24, 1-127-24+1, 254-127-24+1, 1, SI };
- FPI *fpi, fpi1;
- ULong bits[1];
- 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);
- ULtof((ULong*)f, bits, exp, k);
- return k;
- }
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