| /**************************************************************** |
| |
| 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 |
| Bell Laboratories, Room 2C-463 |
| 600 Mountain Avenue |
| Murray Hill, NJ 07974-0636 |
| U.S.A. |
| dmg@bell-labs.com |
| */ |
| |
| #include "gdtoaimp.h" |
| |
| char * |
| #ifdef KR_headers |
| g__fmt(b, s, se, decpt, sign) char *b; char *s; char *se; int decpt; ULong sign; |
| #else |
| g__fmt(char *b, char *s, char *se, int decpt, ULong sign) |
| #endif |
| { |
| int i, j, k; |
| char *s0 = s; |
| |
| if (sign) |
| *b++ = '-'; |
| if (decpt <= -4 || decpt > se - s + 5) { |
| *b++ = *s++; |
| if (*s) { |
| *b++ = '.'; |
| while((*b = *s++) !=0) |
| b++; |
| } |
| *b++ = 'e'; |
| /* sprintf(b, "%+.2d", decpt - 1); */ |
| if (--decpt < 0) { |
| *b++ = '-'; |
| decpt = -decpt; |
| } |
| else |
| *b++ = '+'; |
| for(j = 2, k = 10; 10*k <= decpt; j++, k *= 10){} |
| for(;;) { |
| i = decpt / k; |
| *b++ = i + '0'; |
| if (--j <= 0) |
| break; |
| decpt -= i*k; |
| decpt *= 10; |
| } |
| *b = 0; |
| } |
| else if (decpt <= 0) { |
| *b++ = '.'; |
| for(; decpt < 0; decpt++) |
| *b++ = '0'; |
| while((*b = *s++) !=0) |
| b++; |
| } |
| else { |
| while((*b = *s++) !=0) { |
| b++; |
| if (--decpt == 0 && *s) |
| *b++ = '.'; |
| } |
| for(; decpt > 0; decpt--) |
| *b++ = '0'; |
| *b = 0; |
| } |
| freedtoa(s0); |
| return b; |
| } |