math.64.c File Reference

Math library for 64-bit floating point numbers. More...

#include <math.h>

Macros
#define	MATH_TRESHOLD   0.00000000000001L

Functions
	MODULE ("turnstone.lib")
float64_t	math_sin_approx (float64_t number)
	calculates approx for sin of number More...
int64_t	math_ceil (float64_t num)
	ceil of given float number More...
int64_t	math_floor (float64_t num)
	floor of given float number More...
float64_t	math_power (float64_t base, float64_t p)
	power base with p More...
float64_t	math_exp (float64_t number)
	calculates exp^number More...
float64_t	math_log (float64_t number)
	calculates log given number at base exp More...
float64_t	math_root (float64_t number, float64_t root)
	calculates root of given number at root More...
float64_t	math_antilog (float64_t power, float64_t base)
	calculates antilog value More...
float64_t	math_sin (float64_t number)
	calculates sin of x More...
boolean_t	math_isnan (float64_t number)
	checks if given number is nan More...
boolean_t	math_isinf (float64_t number)
	checks if given number is infinite More...

Detailed Description

Math library for 64-bit floating point numbers.

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Function Documentation

math_antilog()

float64_t math_antilog	(	float64_t	power,
		float64_t	base
	)

calculates antilog value

Parameters

[in]	power	given number
[in]	base	log base

Returns

antilog value base^power

math_ceil()

int64_t math_ceil

(

float64_t

num

)

ceil of given float number

Parameters

[in]

num

given float number

Returns

ceiled value

math_exp()

float64_t math_exp

(

float64_t

number

)

calculates exp^number

Parameters

[in]

number

number to calculate

Returns

exp^number

math_floor()

int64_t math_floor

(

float64_t

num

)

floor of given float number

Parameters

[in]

num

given float number

Returns

floored value

math_isinf()

boolean_t math_isinf

(

float64_t

number

)

checks if given number is infinite

Parameters

[in]

number

number for calculation

Returns

true if number is infinite

math_isnan()

boolean_t math_isnan

(

float64_t

number

)

checks if given number is nan

Parameters

[in]

number

number for calculation

Returns

true if number is nan

math_log()

float64_t math_log

(

float64_t

number

)

calculates log given number at base exp

Parameters

[in]

number

number to calculate

Returns

log value at base exp

math_power()

float64_t math_power	(	float64_t	base,
		float64_t	p
	)

power base with p

Parameters

[in]	base	the base
[in]	p	the power

Returns

base^p with fast power algorithm

math_root()

float64_t math_root	(	float64_t	number,
		float64_t	root
	)

calculates root of given number at root

Parameters

[in]	number	given number
[in]	root	root to calculate

Returns

root result

math_sin()

float64_t math_sin

(

float64_t

number

)

calculates sin of x

Parameters

[in]

number

number for calculation

Returns

sin(number)

math_sin_approx()

float64_t math_sin_approx

(

float64_t

number

)

calculates approx for sin of number

Parameters

[in]

number

number to calculate

Returns

sin(number)