/* * Copyright (C) 2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * This file is originally a part of the GCC testsuite. */ #include #include #if CONFIG_POST & CFG_POST_FPU int fpu_post_test_math4 (void) { volatile float reale = 1.0f; volatile float oneplus; int i; if (sizeof (float) != 4) return 0; for (i = 0; ; i++) { oneplus = 1.0f + reale; if (oneplus == 1.0f) break; reale = reale / 2.0f; } /* Assumes ieee754 accurate arithmetic above. */ if (i != 24) { post_log ("Error in FPU math4 test\n"); return -1; } return 0; } #endif /* CONFIG_POST & CFG_POST_FPU */