mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-11-28 19:53:12 +03:00
4e5ae9b95e
git-svn-id: svn://kolibrios.org@5730 a494cfbc-eb01-0410-851d-a64ba20cac60
95 lines
1.1 KiB
C
95 lines
1.1 KiB
C
//IO library
|
|
#ifndef INCLUDE_MATH_H
|
|
#define INCLUDE_MATH_H
|
|
#print "[include <math.h>]\n"
|
|
|
|
#ifndef INCLUDE_KOLIBRI_H
|
|
#include "../lib/kolibri.h"
|
|
#endif
|
|
|
|
:struct MATH
|
|
{
|
|
float pi();
|
|
float cos(float x);
|
|
float sin(float x);
|
|
float sqrt(float x);
|
|
float tan(float x);
|
|
float abs(float x);
|
|
float floor(float x);
|
|
signed round(float x);
|
|
signed ceil(float x);
|
|
}math;
|
|
:signed MATH::round(float x)
|
|
{
|
|
x+=0.6;
|
|
return x;
|
|
}
|
|
:signed MATH::ceil(float x)
|
|
{
|
|
dword z;
|
|
float tmp;
|
|
z = x;
|
|
tmp = z;
|
|
IF(tmp<x)z++;
|
|
return z;
|
|
}
|
|
:float MATH::floor(float x)
|
|
{
|
|
signed long z;
|
|
z = x;
|
|
IF(z==x)return x;
|
|
IF(z<0) return z-1;
|
|
return z;
|
|
}
|
|
:float MATH::abs(float x)
|
|
{
|
|
IF(x<0)return -x;
|
|
return x;
|
|
}
|
|
|
|
:float MATH::cos(float x)
|
|
{
|
|
float r;
|
|
asm
|
|
{
|
|
fld x
|
|
fcos
|
|
fstp r
|
|
}
|
|
return r;
|
|
}
|
|
:float MATH::sin(float x)
|
|
{
|
|
float r;
|
|
asm
|
|
{
|
|
fld x
|
|
fsin
|
|
fstp r
|
|
}
|
|
return r;
|
|
}
|
|
:float MATH::sqrt(float x)
|
|
{
|
|
float r;
|
|
asm
|
|
{
|
|
fld x
|
|
fsqrt
|
|
fstp r
|
|
}
|
|
return r;
|
|
}
|
|
:float MATH::tan(float x)
|
|
{
|
|
float r;
|
|
asm
|
|
{
|
|
fld x
|
|
fld1
|
|
fpatan
|
|
fstp r
|
|
}
|
|
return r;
|
|
}
|
|
#endif |