1 /* libs/corecg/SkCordic.h 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #ifndef SkCordic_DEFINED 19 #define SkCordic_DEFINED 20 21 #include "SkTypes.h" 22 #include "SkFixed.h" 23 24 SkFixed SkCordicACos(SkFixed a); 25 SkFixed SkCordicASin(SkFixed a); 26 SkFixed SkCordicATan2(SkFixed y, SkFixed x); 27 SkFixed SkCordicExp(SkFixed a); 28 SkFixed SkCordicLog(SkFixed a); 29 SkFixed SkCordicSinCos(SkFixed radians, SkFixed* cosp); 30 SkFixed SkCordicTan(SkFixed a); 31 32 #ifdef SK_DEBUG 33 void SkCordic_UnitTest(); 34 #endif 35 36 #endif // SkCordic 37 38