forked from KolibriOS/kolibrios
112 lines
1.4 KiB
C
112 lines
1.4 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);
|
|
signed min(signed i1, i2);
|
|
signed max(signed i1, i2);
|
|
}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;
|
|
}
|
|
:signed MATH::min(signed i1, i2)
|
|
{
|
|
if (i1 < i2)
|
|
return i1;
|
|
else
|
|
return i2;
|
|
}
|
|
:signed MATH::max(signed i1, i2)
|
|
{
|
|
if (i1 > i2)
|
|
return i1;
|
|
else
|
|
return i2;
|
|
}
|
|
#endif |