/* Test of acosf() function. Copyright (C) 2010-2024 Free Software Foundation, Inc. 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 3 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, see . */ /* Written by Bruno Haible , 2010-2011. */ #include #include #include "signature.h" SIGNATURE_CHECK (acosf, float, (float)); #include "macros.h" volatile float x; float y; int main () { /* A particular value. */ x = 0.6f; y = acosf (x); ASSERT (y >= 0.9272951f && y <= 0.9272953f); return 0; }