94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
#include "../aliases.h"
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#include <stdio.h>
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#include <math.h>
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#define obj(o, m) o.m
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#define stringify(x) #x
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#define printf_spec(PI) stringify(PI)
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#define typename_concat(C, I) vec##C##I##_t
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#define typename(C, I) typename_concat(C, I)
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#define funcname_concat(B, C, I) vec_##B##_vec##C##I##_t
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#define funcname(B, C, I) funcname_concat(B, C, I)
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typedef struct {
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T x;
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T y;
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} typename(2, I);
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typedef struct {
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T x;
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T y;
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T z;
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} typename(3, I);
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INTERNAL void funcname(print, 2, I)(typename(2, I) v1);
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INTERNAL typename(2, I) funcname(add, 2, I)(typename(2, I) v1, typename(2, I) v2);
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INTERNAL typename(2, I) funcname(sub, 2, I)(typename(2, I) v1, typename(2, I) v2);
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INTERNAL typename(2, I) funcname(mul, 2, I)(typename(2, I) v1, typename(2, I) v2);
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INTERNAL T funcname(dot, 2, I)(typename(2, I) v1, typename(2, I) v2);
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INTERNAL T funcname(magnitude, 2, I)(typename(2, I) v1);
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INTERNAL void funcname(print, 3, I)(typename(3, I) v1);
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INTERNAL typename(3, I) funcname(add, 3, I)(typename(3, I) v1, typename(3, I) v3);
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INTERNAL typename(3, I) funcname(sub, 3, I)(typename(3, I) v1, typename(3, I) v3);
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INTERNAL typename(3, I) funcname(mul, 3, I)(typename(3, I) v1, typename(3, I) v3);
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INTERNAL T funcname(dot, 3, I)(typename(3, I) v1, typename(3, I) v3);
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INTERNAL T funcname(magnitude, 3, I)(typename(3, I) v1);
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#ifdef VEC_IMPLEMENTATION
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INTERNAL void funcname(print, 2, I)(typename(2, I) v1) {
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printf("{%" printf_spec(PI) ", %" printf_spec(PI) "}\n", v1.x, v1.y);
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}
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INTERNAL typename(2, I) funcname(add, 2, I)(typename(2, I) v1, typename(2, I) v2) {
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return (typename(2, I)){v1.x + v2.x, v1.y + v2.y};
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}
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INTERNAL typename(2, I) funcname(sub, 2, I)(typename(2, I) v1, typename(2, I) v2) {
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return (typename(2, I)){v1.x - v2.x, v1.y - v2.y};
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}
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INTERNAL typename(2, I) funcname(mul, 2, I)(typename(2, I) v1, typename(2, I) v2) {
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return (typename(2, I)){v1.x * v2.x, v1.y * v2.y};
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}
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INTERNAL T funcname(dot, 2, I)(typename(2, I) v1, typename(2, I) v2) {
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return v1.x * v2.x + v1.y * v2.y;
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}
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INTERNAL T funcname(magnitude, 2, I)(typename(2, I) v1) {
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T dotproduct = funcname(dot, 2, I)(v1, v1);
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return (T)sqrtf(dotproduct);
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}
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INTERNAL void funcname(print, 3, I)(typename(3, I) v1) {
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printf("{%" printf_spec(PI) ", %" printf_spec(PI) ", %" printf_spec(PI) "}\n", v1.x, v1.y, v1.z);
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}
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INTERNAL typename(3, I) funcname(add, 3, I)(typename(3, I) v1, typename(3, I) v2) {
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return (typename(3, I)){v1.x + v2.x, v1.y + v2.y, v1.z + v2.z};
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}
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INTERNAL typename(3, I) funcname(sub, 3, I)(typename(3, I) v1, typename(3, I) v2) {
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return (typename(3, I)){v1.x - v2.x, v1.y - v2.y, v1.z - v2.z};
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}
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INTERNAL typename(3, I) funcname(mul, 3, I)(typename(3, I) v1, typename(3, I) v2) {
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return (typename(3, I)){v1.x * v2.x, v1.y * v2.y, v1.z * v2.z};
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}
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INTERNAL T funcname(dot, 3, I)(typename(3, I) v1, typename(3, I) v2) {
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return v1.x * v2.x + v1.y * v2.y + v1.z * v2.z;
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}
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INTERNAL T funcname(magnitude, 3, I)(typename(3, I) v1) {
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T dotproduct = funcname(dot, 3, I)(v1, v1);
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return (T)sqrtf(dotproduct);
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}
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#endif
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#undef PI
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#undef I
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#undef C
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#undef T
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