File indexing completed on 2024-12-22 04:10:15
0001 /* 0002 * SPDX-FileCopyrightText: 2010 Cyrille Berger <cberger@cberger.net> 0003 * 0004 * SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 #include "kis_fast_math_test.h" 0008 0009 #include <simpletest.h> 0010 #include "kis_fast_math.h" 0011 0012 void KisFastMathTest::testAtan2() 0013 { 0014 const int COUNT = 1000; 0015 0016 for (int i = 0 ; i < COUNT; ++i) { 0017 double x = i; 0018 for (int j = 0 ; j < COUNT; ++j) { 0019 0020 double y = j; 0021 0022 double v1 = atan2(y, x); 0023 double v2 = KisFastMath::atan2(y, x); 0024 0025 QVERIFY(fabs(v1 - v2) < 0.0001); 0026 } 0027 } 0028 } 0029 0030 0031 SIMPLE_TEST_MAIN(KisFastMathTest)