1112158Sdas/**************************************************************** 2112158Sdas 3112158SdasThe author of this software is David M. Gay. 4112158Sdas 5112158SdasCopyright (C) 1998, 2000 by Lucent Technologies 6112158SdasAll Rights Reserved 7112158Sdas 8112158SdasPermission to use, copy, modify, and distribute this software and 9112158Sdasits documentation for any purpose and without fee is hereby 10112158Sdasgranted, provided that the above copyright notice appear in all 11112158Sdascopies and that both that the copyright notice and this 12112158Sdaspermission notice and warranty disclaimer appear in supporting 13112158Sdasdocumentation, and that the name of Lucent or any of its entities 14112158Sdasnot be used in advertising or publicity pertaining to 15112158Sdasdistribution of the software without specific, written prior 16112158Sdaspermission. 17112158Sdas 18112158SdasLUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19112158SdasINCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. 20112158SdasIN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY 21112158SdasSPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 22112158SdasWHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER 23112158SdasIN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 24112158SdasARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF 25112158SdasTHIS SOFTWARE. 26112158Sdas 27112158Sdas****************************************************************/ 28112158Sdas 29165743Sdas/* Please send bug reports to David M. Gay (dmg at acm dot org, 30165743Sdas * with " at " changed at "@" and " dot " changed to "."). */ 31112158Sdas 32112158Sdas#include "gdtoaimp.h" 33112158Sdas 34112158Sdas void 35112158Sdas#ifdef KR_headers 36112158SdasULtod(L, bits, exp, k) ULong *L; ULong *bits; Long exp; int k; 37112158Sdas#else 38112158SdasULtod(ULong *L, ULong *bits, Long exp, int k) 39112158Sdas#endif 40112158Sdas{ 41112158Sdas switch(k & STRTOG_Retmask) { 42112158Sdas case STRTOG_NoNumber: 43112158Sdas case STRTOG_Zero: 44112158Sdas L[0] = L[1] = 0; 45112158Sdas break; 46112158Sdas 47112158Sdas case STRTOG_Denormal: 48112158Sdas L[_1] = bits[0]; 49112158Sdas L[_0] = bits[1]; 50112158Sdas break; 51112158Sdas 52112158Sdas case STRTOG_Normal: 53112158Sdas case STRTOG_NaNbits: 54112158Sdas L[_1] = bits[0]; 55112158Sdas L[_0] = (bits[1] & ~0x100000) | ((exp + 0x3ff + 52) << 20); 56112158Sdas break; 57112158Sdas 58112158Sdas case STRTOG_Infinite: 59112158Sdas L[_0] = 0x7ff00000; 60112158Sdas L[_1] = 0; 61112158Sdas break; 62112158Sdas 63112158Sdas case STRTOG_NaN: 64165743Sdas L[0] = d_QNAN0; 65165743Sdas L[1] = d_QNAN1; 66112158Sdas } 67112158Sdas if (k & STRTOG_Neg) 68112158Sdas L[_0] |= 0x80000000L; 69112158Sdas } 70112158Sdas 71112158Sdas int 72112158Sdas#ifdef KR_headers 73227753Stheravenstrtord_l(s, sp, rounding, d, locale) CONST char *s; char **sp; int rounding; 74227753Stheravendouble *d; locale_t locale; 75112158Sdas#else 76227753Stheravenstrtord_l(CONST char *s, char **sp, int rounding, double *d, locale_t locale) 77112158Sdas#endif 78112158Sdas{ 79112158Sdas static FPI fpi0 = { 53, 1-1023-53+1, 2046-1023-53+1, 1, SI }; 80112158Sdas FPI *fpi, fpi1; 81112158Sdas ULong bits[2]; 82112158Sdas Long exp; 83112158Sdas int k; 84112158Sdas 85112158Sdas fpi = &fpi0; 86112158Sdas if (rounding != FPI_Round_near) { 87112158Sdas fpi1 = fpi0; 88112158Sdas fpi1.rounding = rounding; 89112158Sdas fpi = &fpi1; 90112158Sdas } 91227753Stheraven k = strtodg_l(s, sp, fpi, &exp, bits, locale); 92112158Sdas ULtod((ULong*)d, bits, exp, k); 93112158Sdas return k; 94112158Sdas } 95227753Stheraven 96