char_to_double.c File Reference

#include "config.h"
#include "char_to_double.h"
#include <string.h>
#include <math.h>
#include "len.h"
#include "char_to_int.h"

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Macros
#define	MIN(a, b)   (a > b ? b : a)

Functions
short int	check_double (const char *s, int len)
long double	char_to_double (const char *s, int len)

Macro Definition Documentation

MIN

#define MIN	(		a,
			b
	)		(a > b ? b : a)

Definition at line 11 of file char_to_double.c.

Function Documentation

char_to_double()

long double char_to_double	(	const char *	s,
		int	len
	)

Return the decimal number this string represents.

Parameters

[in]	s	The string that contains the number.
[in]	len	The length of the string that s points to. If -1 is given the length is auto determined and a null terminated string is assumed.

Returns

The number that 's' represents.

Definition at line 38 of file char_to_double.c.

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check_double()

short int check_double	(	const char *	s,
		int	len
	)

Check if the string represents a decimal value.

Parameters

[in]	s	The string that contains the number.
[in]	len	The length of the string that s points to. If -1 is given the length is auto determined and a null terminated string is assumed.

Returns

result:

• 0 false, not a number
• 1 true, this contains a number

Definition at line 14 of file char_to_double.c.