xref: /netbsd-src/lib/libc/gdtoa/strtopd.c (revision 9a9a41227b42868f516d4f928b32562ad0f5bc3b)
1*9a9a4122Sriastradh /* $NetBSD: strtopd.c,v 1.4 2019/08/01 02:27:43 riastradh Exp $ */
27684d5e0Skleink 
37684d5e0Skleink /****************************************************************
47684d5e0Skleink 
57684d5e0Skleink The author of this software is David M. Gay.
67684d5e0Skleink 
77684d5e0Skleink Copyright (C) 1998 by Lucent Technologies
87684d5e0Skleink All Rights Reserved
97684d5e0Skleink 
107684d5e0Skleink Permission to use, copy, modify, and distribute this software and
117684d5e0Skleink its documentation for any purpose and without fee is hereby
127684d5e0Skleink granted, provided that the above copyright notice appear in all
137684d5e0Skleink copies and that both that the copyright notice and this
147684d5e0Skleink permission notice and warranty disclaimer appear in supporting
157684d5e0Skleink documentation, and that the name of Lucent or any of its entities
167684d5e0Skleink not be used in advertising or publicity pertaining to
177684d5e0Skleink distribution of the software without specific, written prior
187684d5e0Skleink permission.
197684d5e0Skleink 
207684d5e0Skleink LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
217684d5e0Skleink INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
227684d5e0Skleink IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
237684d5e0Skleink SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
247684d5e0Skleink WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
257684d5e0Skleink IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
267684d5e0Skleink ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
277684d5e0Skleink THIS SOFTWARE.
287684d5e0Skleink 
297684d5e0Skleink ****************************************************************/
307684d5e0Skleink 
317684d5e0Skleink /* Please send bug reports to David M. Gay (dmg at acm dot org,
327684d5e0Skleink  * with " at " changed at "@" and " dot " changed to ".").	*/
337684d5e0Skleink 
347684d5e0Skleink #include "gdtoaimp.h"
357684d5e0Skleink 
367684d5e0Skleink  int
377684d5e0Skleink #ifdef KR_headers
strtopd(s,sp,d)387684d5e0Skleink strtopd(s, sp, d) char *s; char **sp; double *d;
397684d5e0Skleink #else
407684d5e0Skleink strtopd(CONST char *s, char **sp, double *d)
417684d5e0Skleink #endif
427684d5e0Skleink {
43*9a9a4122Sriastradh 	static CONST FPI fpi0 = { 53, 1-1023-53+1, 2046-1023-53+1, 1, SI };
447684d5e0Skleink 	ULong bits[2];
4561e56760Schristos 	Long expt;
467684d5e0Skleink 	int k;
4761e56760Schristos #ifdef Honor_FLT_ROUNDS
4861e56760Schristos #include "gdtoa_fltrnds.h"
4961e56760Schristos #else
5061e56760Schristos #define fpi &fpi0
5161e56760Schristos #endif
527684d5e0Skleink 
5361e56760Schristos 	k = strtodg(s, sp, fpi, &expt, bits);
54ab625449Schristos 	if (k == STRTOG_NoMemory)
55ab625449Schristos 		return k;
5661e56760Schristos 	ULtod((ULong*)d, bits, expt, k);
577684d5e0Skleink 	return k;
587684d5e0Skleink 	}
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