forked from KolibriOS/kolibrios
95 lines
1.1 KiB
C
95 lines
1.1 KiB
C
//IO library
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#ifndef INCLUDE_MATH_H
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#define INCLUDE_MATH_H
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#print "[include <math.h>]\n"
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#ifndef INCLUDE_KOLIBRI_H
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#include "../lib/kolibri.h"
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#endif
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:struct MATH
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{
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float pi();
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float cos(float x);
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float sin(float x);
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float sqrt(float x);
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float tan(float x);
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float abs(float x);
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float floor(float x);
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signed round(float x);
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signed ceil(float x);
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}math;
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:signed MATH::round(float x)
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{
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x+=0.6;
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return x;
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}
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:signed MATH::ceil(float x)
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{
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dword z;
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float tmp;
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z = x;
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tmp = z;
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IF(tmp<x)z++;
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return z;
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}
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:float MATH::floor(float x)
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{
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signed long z;
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z = x;
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IF(z==x)return x;
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IF(z<0) return z-1;
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return z;
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}
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:float MATH::abs(float x)
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{
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IF(x<0)return -x;
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return x;
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}
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:float MATH::cos(float x)
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{
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float r;
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asm
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{
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fld x
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fcos
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fstp r
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}
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return r;
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}
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:float MATH::sin(float x)
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{
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float r;
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asm
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{
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fld x
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fsin
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fstp r
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}
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return r;
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}
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:float MATH::sqrt(float x)
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{
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float r;
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asm
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{
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fld x
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fsqrt
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fstp r
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}
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return r;
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}
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:float MATH::tan(float x)
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{
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float r;
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asm
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{
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fld x
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fld1
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fpatan
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fstp r
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}
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return r;
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}
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#endif |