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kolibrios/programs/cmm/lib/math.h
Kirill Lipatov (Leency) cd1cb39d43 add forgotten file: math.h add .in function
git-svn-id: svn://kolibrios.org@7272 a494cfbc-eb01-0410-851d-a64ba20cac60
2018-05-06 15:03:12 +00:00

119 lines
1.5 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);
signed in(signed base, min1, max1);
}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;
}
:signed MATH::in(signed base, min1, max1)
{
if (base > max1) return max1;
if (base < min1) return min1;
return base;
}
#endif