diff options
Diffstat (limited to 'lib/libc/gdtoa/strtoIdd.c')
-rw-r--r-- | lib/libc/gdtoa/strtoIdd.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libc/gdtoa/strtoIdd.c b/lib/libc/gdtoa/strtoIdd.c new file mode 100644 index 00000000000..40b7936bc00 --- /dev/null +++ b/lib/libc/gdtoa/strtoIdd.c @@ -0,0 +1,66 @@ +/**************************************************************** + +The author of this software is David M. Gay. + +Copyright (C) 1998 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" + + int +#ifdef KR_headers +strtoIdd(s, sp, f0, f1) CONST char *s; char **sp; double *f0, *f1; +#else +strtoIdd(CONST char *s, char **sp, double *f0, double *f1) +#endif +{ +#ifdef Sudden_Underflow + static FPI fpi = { 106, 1-1023, 2046-1023-106+1, 1, 1 }; +#else + static FPI fpi = { 106, 1-1023-53+1, 2046-1023-106+1, 1, 0 }; +#endif + Long exp[2]; + Bigint *B[2]; + int k, rv[2]; + + B[0] = Balloc(2); + B[0]->wds = 4; + k = strtoIg(s, sp, &fpi, exp, B, rv); + ULtodd((ULong*)f0, B[0]->x, exp[0], rv[0]); + Bfree(B[0]); + if (B[1]) { + ULtodd((ULong*)f1, B[1]->x, exp[1], rv[1]); + Bfree(B[1]); + } + else { + ((ULong*)f1)[0] = ((ULong*)f0)[0]; + ((ULong*)f1)[1] = ((ULong*)f0)[1]; + ((ULong*)f1)[2] = ((ULong*)f0)[2]; + ((ULong*)f1)[3] = ((ULong*)f0)[3]; + } + return k; + } |