Impelement version with X macros

03_xmacros/main.c

@@ -0,0 +1,18 @@
+#define VEC_IMPLEMENTATION
+#include "vec.h"
+#undef VEC_IMPLEMENTATION
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+  vec2i_t v1 = (vec2i_t){2, 3};
+  vec2i_t v2 = (vec2i_t){4, 5};
+
+  vec_print(vec2i_t, vec_add(vec2i_t, v1, v2));
+  vec_print(vec2i_t, vec_sub(vec2i_t, v1, v2));
+  vec_print(vec2i_t, vec_mul(vec2i_t, v1, v2));
+  printf("%d\n", vec_dot(vec2i_t, v1, v2));
+  printf("%d\n", vec_magnitude(vec2i_t, v1));
+  printf("%d\n", vec_magnitude(vec2i_t, v2));
+
+  return 0;
+}