1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 *	ecvt converts to decimal
34 *	the number of digits is specified by ndigit
35 *	decpt is set to the position of the decimal point
36 *	sign is set to 0 for positive, 1 for negative
37 *
38 */
39
40#pragma weak _ecvt = ecvt
41#pragma weak _fcvt = fcvt
42
43#include "lint.h"
44#include <sys/types.h>
45#include <stdlib.h>
46#include <floatingpoint.h>
47#include "tsd.h"
48
49char *
50ecvt(number, ndigits, decpt, sign)
51	double	number;
52	int	ndigits;
53	int	*decpt;
54	int	*sign;
55{
56	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
57
58	return (econvert(number, ndigits, decpt, sign, buf));
59}
60
61char *
62fcvt(number, ndigits, decpt, sign)
63	double	number;
64	int	ndigits;
65	int	*decpt;
66	int	*sign;
67{
68	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
69	char *ptr, *val;
70	char ch;
71	int deci_val;
72
73	ptr = fconvert(number, ndigits, decpt, sign, buf);
74	val = ptr;
75	deci_val = *decpt;
76
77	while ((ch = *ptr) != '\0') {
78		if (ch != '0') { /* You execute this if there are no */
79				/* leading zero's remaining. */
80			*decpt = deci_val; /* If there are leading zero's */
81			return (ptr);	/* gets updated. */
82		}
83		ptr++;
84		deci_val--;
85	}
86	return (val);
87}
88
89char *
90qecvt(number, ndigits, decpt, sign)
91	long double	number;
92	int		ndigits;
93	int		*decpt;
94	int		*sign;
95{
96	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
97
98	return (qeconvert(&number, ndigits, decpt, sign, buf));
99}
100
101char *
102qfcvt(number, ndigits, decpt, sign)
103	long double	number;
104	int		ndigits;
105	int		*decpt;
106	int		*sign;
107{
108	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
109
110	return (qfconvert(&number, ndigits, decpt, sign, buf));
111}
112
113char *
114qgcvt(number, ndigits, buffer)
115	long double	number;
116	int		ndigits;
117	char		*buffer;
118{
119	return (qgconvert(&number, ndigits, 0, buffer));
120}
121