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dtoa_conv.h
00001 /* Copyright (c) 2005, Dmitry Xmelkov
00002    All rights reserved.
00003 
00004    Redistribution and use in source and binary forms, with or without
00005    modification, are permitted provided that the following conditions are met:
00006 
00007    * Redistributions of source code must retain the above copyright
00008      notice, this list of conditions and the following disclaimer.
00009    * Redistributions in binary form must reproduce the above copyright
00010      notice, this list of conditions and the following disclaimer in
00011      the documentation and/or other materials provided with the
00012      distribution.
00013    * Neither the name of the copyright holders nor the names of
00014      contributors may be used to endorse or promote products derived
00015      from this software without specific prior written permission.
00016 
00017   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027   POSSIBILITY OF SUCH DAMAGE. */
00028 
00029 /* $Id: dtoa_conv.h 1175 2007-01-14 15:18:18Z dmix $ */
00030 
00031 #ifndef _DTOA_CONV_H
00032 #define _DTOA_CONV_H
00033 
00034 #include <stdio.h>
00035 
00036 int dtoa_prf (double val, char *s, unsigned char width, unsigned char prec,
00037               unsigned char flags);
00038 int dtoa_lim (double val, char *s, unsigned char width, unsigned char prec,
00039               unsigned char flags);
00040 int dtoa_cln (double val, char *s, unsigned char ndigs, unsigned char flags);
00041 
00042 void d2stream (double val, FILE *stream,
00043                unsigned char width, unsigned char prec, unsigned char flags);
00044 
00045 #define DTOA_SPACE  0x01        /* put space for positives      */
00046 #define DTOA_PLUS   0x02        /* put '+' for positives        */
00047 #define DTOA_UPPER  0x04        /* use uppercase letters        */
00048 #define DTOA_ZFILL  0x08        /* fill zeroes                  */
00049 #define DTOA_LEFT   0x10        /* adjust to left               */
00050 #define DTOA_NOFILL 0x20        /* do not fill to width         */
00051 #define DTOA_EXP    0x40        /* d2stream: 'e(E)' format      */
00052 #define DTOA_FIX    0x80        /* d2stream: 'f(F)' format      */
00053 
00054 #define DTOA_EWIDTH     (-1)    /* Width too small      */
00055 #define DTOA_NONFINITE  (-2)    /* Value is NaN or Inf  */
00056 
00057 #endif  /* !_DTOA_CONV_H */

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