1 #ifndef _DEFLOAT16_H 2 #define _DEFLOAT16_H 3 /*------------------------------------------------------------------------- 4 * drawElements Base Portability Library 5 * ------------------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief 16-bit floating-point math. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deDefs.h" 27 #include "deMath.h" 28 29 DE_BEGIN_EXTERN_C 30 31 typedef deUint16 deFloat16; 32 33 #if defined(DE_DEPRECATED_TYPES) 34 typedef deFloat16 DEfloat16; 35 #endif 36 37 /*--------------------------------------------------------------------*//*! 38 * \brief Convert 32-bit floating point number to 16 bit. 39 * \param val32 Input value. 40 * \return Converted 16-bit floating-point value. 41 *//*--------------------------------------------------------------------*/ 42 deFloat16 deFloat32To16 (float val32); 43 deFloat16 deFloat32To16Round (float val32, deRoundingMode mode); 44 void deFloat16_selfTest (void); 45 46 /*--------------------------------------------------------------------*//*! 47 * \brief Convert 16-bit floating point number to 32 bit. 48 * \param val16 Input value. 49 * \return Converted 32-bit floating-point value. 50 *//*--------------------------------------------------------------------*/ 51 float deFloat16To32 (deFloat16 val16); 52 53 DE_END_EXTERN_C 54 55 #endif /* _DEFLOAT16_H */ 56
