compare.h File Reference

A collection of simple compare functions. More...

#include "common.h"

Go to the source code of this file.

Functions
int	cx_cmp_int (void const *i1, void const *i2)
	Compares two integers of type int.
int	cx_cmp_longint (void const *i1, void const *i2)
	Compares two integers of type long int.
int	cx_cmp_longlong (void const *i1, void const *i2)
	Compares two integers of type long long.
int	cx_cmp_int16 (void const *i1, void const *i2)
	Compares two integers of type int16_t.
int	cx_cmp_int32 (void const *i1, void const *i2)
	Compares two integers of type int32_t.
int	cx_cmp_int64 (void const *i1, void const *i2)
	Compares two integers of type int64_t.
int	cx_cmp_uint (void const *i1, void const *i2)
	Compares two integers of type unsigned int.
int	cx_cmp_ulongint (void const *i1, void const *i2)
	Compares two integers of type unsigned long int.
int	cx_cmp_ulonglong (void const *i1, void const *i2)
	Compares two integers of type unsigned long long.
int	cx_cmp_uint16 (void const *i1, void const *i2)
	Compares two integers of type uint16_t.
int	cx_cmp_uint32 (void const *i1, void const *i2)
	Compares two integers of type uint32_t.
int	cx_cmp_uint64 (void const *i1, void const *i2)
	Compares two integers of type uint64_t.
int	cx_cmp_float (void const *f1, void const *f2)
	Compares two real numbers of type float with precision 1e-6f.
int	cx_cmp_double (void const *d1, void const *d2)
	Compares two real numbers of type double with precision 1e-14.
int	cx_cmp_intptr (void const *ptr1, void const *ptr2)
	Compares the integer representation of two pointers.
int	cx_cmp_uintptr (void const *ptr1, void const *ptr2)
	Compares the unsigned integer representation of two pointers.

Detailed Description

A collection of simple compare functions.

Author

Mike Becker

Olaf Wintermann

Version

3.0

Copyright

2-Clause BSD License

Function Documentation

cx_cmp_double()

int cx_cmp_double	(	void const *	d1,
		void const *	d2
	)

Compares two real numbers of type double with precision 1e-14.

Parameters

d1	pointer to double one
d2	pointer to double two

Returns

-1, if *d1 is less than *d2, 0 if both are equal, 1 if *d1 is greater than *d2

cx_cmp_float()

int cx_cmp_float	(	void const *	f1,
		void const *	f2
	)

Compares two real numbers of type float with precision 1e-6f.

Parameters

f1	pointer to float one
f2	pointer to float two

Returns

-1, if *f1 is less than *f2, 0 if both are equal, 1 if *f1 is greater than *f2

cx_cmp_int()

int cx_cmp_int	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type int.

Parameters

i1	pointer to integer one
i2	pointer to integer two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_int16()

int cx_cmp_int16	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type int16_t.

Parameters

i1	pointer to int16_t one
i2	pointer to int16_t two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_int32()

int cx_cmp_int32	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type int32_t.

Parameters

i1	pointer to int32_t one
i2	pointer to int32_t two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_int64()

int cx_cmp_int64	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type int64_t.

Parameters

i1	pointer to int64_t one
i2	pointer to int64_t two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_intptr()

int cx_cmp_intptr	(	void const *	ptr1,
		void const *	ptr2
	)

Compares the integer representation of two pointers.

Parameters

ptr1	pointer to pointer one (intptr_t const*)
ptr2	pointer to pointer two (intptr_t const*)

Returns

-1 if *ptr1 is less than *ptr2, 0 if both are equal, 1 if *ptr1 is greater than *ptr2

cx_cmp_longint()

int cx_cmp_longint	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type long int.

Parameters

i1	pointer to long integer one
i2	pointer to long integer two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_longlong()

int cx_cmp_longlong	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type long long.

Parameters

i1	pointer to long long one
i2	pointer to long long two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_uint()

int cx_cmp_uint	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type unsigned int.

Parameters

i1	pointer to unsigned integer one
i2	pointer to unsigned integer two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_uint16()

int cx_cmp_uint16	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type uint16_t.

Parameters

i1	pointer to uint16_t one
i2	pointer to uint16_t two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_uint32()

int cx_cmp_uint32	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type uint32_t.

Parameters

i1	pointer to uint32_t one
i2	pointer to uint32_t two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_uint64()

int cx_cmp_uint64	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type uint64_t.

Parameters

i1	pointer to uint64_t one
i2	pointer to uint64_t two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_uintptr()

int cx_cmp_uintptr	(	void const *	ptr1,
		void const *	ptr2
	)

Compares the unsigned integer representation of two pointers.

Parameters

ptr1	pointer to pointer one (uintptr_t const*)
ptr2	pointer to pointer two (uintptr_t const*)

Returns

-1 if *ptr1 is less than *ptr2, 0 if both are equal, 1 if *ptr1 is greater than *ptr2

cx_cmp_ulongint()

int cx_cmp_ulongint	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type unsigned long int.

Parameters

i1	pointer to unsigned long integer one
i2	pointer to unsigned long integer two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2

cx_cmp_ulonglong()

int cx_cmp_ulonglong	(	void const *	i1,
		void const *	i2
	)

Compares two integers of type unsigned long long.

Parameters

i1	pointer to unsigned long long one
i2	pointer to unsigned long long two

Returns

-1, if *i1 is less than *i2, 0 if both are equal, 1 if *i1 is greater than *i2