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67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
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/****************************************************************
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The author of this software is David M. Gay.
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Copyright (C) 1998 by Lucent Technologies
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and
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its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of Lucent or any of its entities
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not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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****************************************************************/
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/* Please send bug reports to David M. Gay (dmg at acm dot org,
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* with " at " changed at "@" and " dot " changed to "."). */
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#include "gdtoaimp.h"
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int
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#ifdef KR_headers
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strtoIdd(s, sp, f0, f1) CONST char *s; char **sp; double *f0, *f1;
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#else
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strtoIdd(CONST char *s, char **sp, double *f0, double *f1)
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#endif
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{
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#ifdef Sudden_Underflow
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static CONST FPI fpi = { 106, 1-1023, 2046-1023-106+1, 1, 1 };
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#else
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static CONST FPI fpi = { 106, 1-1023-53+1, 2046-1023-106+1, 1, 0 };
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#endif
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Long exp[2];
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Bigint *B[2];
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int k, rv[2];
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B[0] = Balloc(2);
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B[0]->wds = 4;
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k = strtoIg(s, sp, &fpi, exp, B, rv);
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ULtodd((ULong*)f0, B[0]->x, exp[0], rv[0]);
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Bfree(B[0]);
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if (B[1]) {
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ULtodd((ULong*)f1, B[1]->x, exp[1], rv[1]);
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Bfree(B[1]);
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}
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else {
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((ULong*)f1)[0] = ((ULong*)f0)[0];
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((ULong*)f1)[1] = ((ULong*)f0)[1];
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((ULong*)f1)[2] = ((ULong*)f0)[2];
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((ULong*)f1)[3] = ((ULong*)f0)[3];
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}
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return k;
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}
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