isincos.h File Reference

整数型の sin(), cos() More...

#include "cpp_extern_macro.h"

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Enumerations
enum	{ ISINCOS_ANGLE_DIVIDED = 65536, ISINCOS_VALUE_MAX = 32768, ISINCOS_VALUE_SHIFT = 15 }
Functions
int	isin (unsigned short div16)
	整数型の sin()
int	icos (unsigned short div16)
	整数型の cos()
Variables
	BEGIN_C_DECLS
	END_C_DECLS

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Detailed Description

整数型の sin(), cos()

整数型の三角関数(sin(), cos())を提供 角度の細かさ、最大値はコンパイル時に指定

Author:

Satofumi KAMIMURA

$Id$

Definition in file isincos.h.

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Function Documentation

int isin

(

unsigned short

div16

)

整数型の sin()

整数型の sin()

Parameters:

div16

[i] 角度[div16]

Return values:

divid_max

* sin(2.0 * M_PI * div16 / 65536.0)

Definition at line 1671 of file isincos.c.

int icos

(

unsigned short

div16

)

整数型の cos()

整数型の cos()。

Parameters:

div16

[i] 角度[div16]

Return values:

divid_max

* cos(2.0 * M_PI * div16 / 65536.0)

Definition at line 1695 of file isincos.c.