mathio.c File Reference

String to number conversions with floating point support. More...

#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include "mathio.h"
#include <math.h>

Go to the source code of this file.

Functions
MEMSPACE int	atodigit (int c, int radix)
	Convert ASCII character to radix based digit , or -1. More...
MEMSPACE long	atoh (const char *p)
	Convert ASCII hex string to long integer. More...
MEMSPACE long	aton (char *str, int base)
	Convert ASCII string to number in a given base. More...
MEMSPACE int	mul10str (uint8_t *str, int size)
	Fast multiply number of any size by 10. More...
MEMSPACE long	strtol (const char *nptr, char **endptr, int base)
	Convert ASCII string to number in a given base. More...
MEMSPACE long long	strtoll (const char *nptr, char **endptr, int base)
	Convert ASCII string to number in a given base. More...
MEMSPACE int	atoi (const char *str)
	Convert ASCII string to number in base 10. More...
MEMSPACE long	atol (const char *str)
	Convert ASCII string to number in base 10. More...

Detailed Description

String to number conversions with floating point support.

Copyright © 2014-2017 Mike Gore, All rights reserved. GPL License

See also

http://github.com/magore/hp85disk

http://github.com/magore/hp85disk/COPYRIGHT.md for specific Copyright details

You are free to use this code under the terms of GPL

please retain a copy of this notice in any code you use it in.

This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file mathio.c.

Function Documentation

MEMSPACE int atodigit	(	int	c,
		int	radix
	)

Convert ASCII character to radix based digit , or -1.

Parameters

[in]	c	character
[in]	radix	radix

Returns

radix based digit , or -1

See also

strtol

Definition at line 58 of file mathio.c.

Referenced by process_args(), strtol(), and strtoll().

MEMSPACE long atoh

(

const char *

p

)

Convert ASCII hex string to long integer.

Parameters

[in]

p

String to convert.

Returns

long integer result.

See also

strtol() for return overflow and underflow results.

Definition at line 79 of file mathio.c.

MEMSPACE int atoi

(

const char *

str

)

Convert ASCII string to number in base 10.

Parameters

[in]

str

string

Returns

int value

See also

strtol

Definition at line 281 of file mathio.c.

Referenced by html_status(), main(), parse_http_request(), posix_tests(), ReadBdf(), and user_tests().

MEMSPACE long atol

(

const char *

str

)

Convert ASCII string to number in base 10.

Parameters

[in]

str

string

Returns

long value

See also

strtol

Definition at line 295 of file mathio.c.

Referenced by fatfs_tests().

MEMSPACE long aton	(	char *	str,
		int	base
	)

Convert ASCII string to number in a given base.

Parameters

[in]	str	string
[in]	base	radix

Returns

long value

See also

strtol

Definition at line 93 of file mathio.c.

MEMSPACE int mul10str	(	uint8_t *	str,
		int	size
	)

Fast multiply number of any size by 10.

Parameters

[in]	str	string
[in]	size	string size

Returns

non-zero on overflow , 0 if ok

Definition at line 108 of file mathio.c.

MEMSPACE long strtol	(	const char *	nptr,
		char **	endptr,
		int	base
	)

Convert ASCII string to number in a given base.

Parameters

[in]	nptr	string
[in]	endptr	pointer to string pointer return value
[in]	base	radix

Returns

long value

Definition at line 136 of file mathio.c.

Referenced by atoh(), atoi(), atol(), aton(), get_value(), main(), posix_tests(), and setdate_r().

MEMSPACE long long strtoll	(	const char *	nptr,
		char **	endptr,
		int	base
	)

Convert ASCII string to number in a given base.

Parameters

[in]	nptr	string
[in]	endptr	pointer to string pointer return value
[in]	base	radix

Returns

long long

Definition at line 183 of file mathio.c.