avr-libc: dtoa_conv.h Source File

avr-libc 2.0.0 Standard C library for AVR-GCC |

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dtoa_conv.h
1 /* Copyright (c) 2005, Dmitry Xmelkov
2 All rights reserved.
3
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions are met:
6
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 * Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in
11 the documentation and/or other materials provided with the
12 distribution.
13 * Neither the name of the copyright holders nor the names of
14 contributors may be used to endorse or promote products derived
15 from this software without specific prior written permission.
16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 POSSIBILITY OF SUCH DAMAGE. */
28
29 /* $Id$ */
30
31 #ifndef _DTOA_CONV_H
32 #define _DTOA_CONV_H
33
34 #include <stdio.h>
35
36 int dtoa_prf (double val, char *s, unsigned char width, unsigned char prec,
37 unsigned char flags);
38 int dtoa_lim (double val, char *s, unsigned char width, unsigned char prec,
39 unsigned char flags);
40 int dtoa_cln (double val, char *s, unsigned char ndigs, unsigned char flags);
41
42 void d2stream (double val, FILE *stream,
43 unsigned char width, unsigned char prec, unsigned char flags);
44
45 #define DTOA_SPACE 0x01 /* put space for positives */
46 #define DTOA_PLUS 0x02 /* put '+' for positives */
47 #define DTOA_UPPER 0x04 /* use uppercase letters */
48 #define DTOA_ZFILL 0x08 /* fill zeroes */
49 #define DTOA_LEFT 0x10 /* adjust to left */
50 #define DTOA_NOFILL 0x20 /* do not fill to width */
51 #define DTOA_EXP 0x40 /* d2stream: 'e(E)' format */
52 #define DTOA_FIX 0x80 /* d2stream: 'f(F)' format */
53
54 #define DTOA_EWIDTH (-1) /* Width too small */
55 #define DTOA_NONFINITE (-2) /* Value is NaN or Inf */
56
57 #endif /* !_DTOA_CONV_H */
stdio.h
FILE
struct __file FILE
Definition: stdio.h:277