// // Lol Engine - Sample math program: Chebyshev polynomials // // Copyright: (c) 2005-2011 Sam Hocevar // This program is free software; 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 Sam Hocevar. See // http://sam.zoy.org/projects/COPYING.WTFPL for more details. // #if defined HAVE_CONFIG_H # include "config.h" #endif #include #include #include "core.h" using namespace lol; using namespace std; #include "remez-matrix.h" #include "remez-solver.h" /* The function we want to approximate */ static real myfun(real const &x) { real y = sqrt(x); return (sin(y) - y) / (x * y); } static real myerr(real const &x) { real y = sqrt(x); return re(x * y); } int main(void) { RemezSolver<4> solver; solver.Run(real::R_1 >> 400, real::R_PI_2 * real::R_PI_2, myfun, myerr, 15); return EXIT_SUCCESS; }