/usr/include/php5/ext/mysqlnd/mysql_float_to_double.h is in php5-dev 5.6.33+dfsg-0+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Keyur Govande <kgovande@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifndef MYSQL_FLOAT_TO_DOUBLE_H
#define MYSQL_FLOAT_TO_DOUBLE_H
#include "main/php.h"
#include <float.h>
#include "main/snprintf.h"
#define MAX_CHAR_BUF_LEN 255
#ifndef FLT_DIG
# define FLT_DIG 6
#endif
/*
* Convert from a 4-byte float to a 8-byte decimal by first converting
* the float to a string, and then the string to a double.
* The decimals argument specifies the precision of the output. If decimals
* is less than zero, then a gcvt(3) like logic is used with the significant
* digits set to FLT_DIG i.e. 6.
*/
static inline double mysql_float_to_double(float fp4, int decimals) {
char num_buf[MAX_CHAR_BUF_LEN]; /* Over allocated */
if (decimals < 0) {
php_gcvt(fp4, FLT_DIG, '.', 'e', num_buf);
} else {
php_sprintf(num_buf, "%.*f", decimals, fp4);
}
return zend_strtod(num_buf, NULL);
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
#endif /* MYSQL_FLOAT_TO_DOUBLE_H */
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