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