source:
EcnlProtoTool/trunk/musl-1.1.18/src/stdlib/ecvt.c@
445
Last change on this file since 445 was 444, checked in by , 4 years ago | |
---|---|
|
|
File size: 358 bytes |
Line | |
---|---|
1 | #define _GNU_SOURCE |
2 | #include <stdlib.h> |
3 | #include <stdio.h> |
4 | |
5 | char *ecvt(double x, int n, int *dp, int *sign) |
6 | { |
7 | static char buf[16]; |
8 | char tmp[32]; |
9 | int i, j; |
10 | |
11 | if (n-1U > 15) n = 15; |
12 | sprintf(tmp, "%.*e", n-1, x); |
13 | i = *sign = (tmp[0]=='-'); |
14 | for (j=0; tmp[i]!='e'; j+=(tmp[i++]!='.')) |
15 | buf[j] = tmp[i]; |
16 | buf[j] = 0; |
17 | *dp = atoi(tmp+i+1)+1; |
18 | |
19 | return buf; |
20 | } |
Note:
See TracBrowser
for help on using the repository browser.