#include "../../libcfa/src/vector.hfa"
#include <fstream.hfa>

int main(void) {
    vec2 v1 = {1.,2.};
    sout | "ctor(x,y):" | v1;

    vec2 v2 = v1;
    sout | "copy ctor:" | v2;

    v2 = (vec2){3., 4.2};
    sout | "assignment:" | v2;

    v2 = v1;
    sout | "move assignment:" | v2;

    vec2 v3 = 0;
    sout | "zero-init:" | v3;

    v1 = 0;
    sout | "zero-assign:" | v1;

    vec2 v4 = {1.23};
    sout | "fill-ctor:" | v4;

    v1 = (vec2){1.23, 3.43};
    sout | "?-?:" | (v1 - (vec2){1.21,3});

    v1 -= (vec2){-2, 10};
    sout | "?-=?:" | v1;

    v1 = -v1;
    sout | "-?:" | v1;

    v1 = (vec2){1.5, 2.75};
    sout | "?+?:" | (v1 + (vec2){0.8, -0.3});

    v1 += (vec2){0.8, -0.3};
    sout | "?+=?:" | v1;

    v1 = (vec2){1.5, 2.75};
    sout | "v*s:" | v1 * 3;

    sout | "s*v:" | 3 * v1;

    v1 *= 3;
    sout | "?*=?:" | v1;

    v1 = (vec2){2, -0.1};
    sout | "?/?:" | (v1 / 3);

    v1 /= 3;
    sout | "?/=?:" | v1;

    v1 = (vec2){2, 3};
    v2 = (vec2){-3, 2};
    sout | "dot_1:" | dot(v1, v2);

    v2 = (vec2){1.3, 2};
    sout | "dot_2:" | dot(v1, v2);

    v1 = (vec2){4, 3};
    sout | "length:" | length(v1);

    sout | "length_squared:" | length_squared(v1);

    v2 = (vec2){6, -3.2};
    sout | "distance:" | distance(v1, v2);

    sout | "normalize:" | normalize(v2);

    v1 = (vec2){1,0};
    sout | "normalize_2:" | normalize(v1);

    sout | "project:" | project((vec2){5,6}, (vec2){1, 0});
    sout | "project_2:" | project((vec2){5,6}, (vec2){1, 1});

    v1 = (vec2){5,6};
    v2 = (vec2){1,0};
    sout | "reflect:" | reflect(v1,v2);

    v2 = (vec2){0,-1};
    sout | "refract:" | refract(v1,v2,1);
    sout | "refract:" | refract(v1,v2,1./1.33);

    vec2 geometric_normal = {5,6};
    vec2 perturbed_normal = {4,5.5};
    vec2 eyeline = {-1,0.002f};
    sout | "faceforward_nochange:" | faceforward(perturbed_normal, eyeline, geometric_normal);

    eyeline = (vec2){1,0.002f};
    sout | "faceforward_flip:" | faceforward(perturbed_normal, eyeline, geometric_normal);
}