// // Lol Engine — Sample math program: check trigonometric functions // // Copyright © 2005—2011 Sam Hocevar // // This program is free software. It comes without any warranty, to // the extent permitted by applicable law. You can redistribute it // and/or modify it under the terms of the Do What the Fuck You Want // to Public License, Version 2, as published by the WTFPL Task Force. // See http://www.wtfpl.net/ for more details. // #if HAVE_CONFIG_H # include "config.h" #endif #include #include using namespace lol; mat4 multiply_copy(mat4 m1, mat4 m2, mat4 m3) { return m1 * m2 * m3; } mat4 multiply_ref(mat4 const &m1, mat4 const &m2, mat4 const &m3) { return m1 * m2 * m3; } int main(int argc, char **argv) { UNUSED(argc, argv); mat4 a = mat4::rotate(0.1f, vec3(1.f, 1.f, 0.f)); mat4 b = mat4::rotate(0.1f, vec3(0.f, 0.f, 1.f)); mat4 m = mat4(1.f); for (int i = 0; i < 40000000; ++i) //m = multiply_copy(a, m, b); m = multiply_ref(a, m, b); m.printf(); return EXIT_SUCCESS; }