/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _GL_FIXED_OPS_H #define _GL_FIXED_OPS_H #define X2F(x) (((float)(x))/65536.0f) #define X2D(x) (((double)(x))/65536.0) #define X2I(x) ((x) /65536) #define B2S(x) ((short)x) #define F2X(d) ((d) > 32767.65535 ? 32767 * 65536 + 65535 : \ (d) < -32768.65535 ? -32768 * 65536 + 65535 : \ ((GLfixed) ((d) * 65536))) #define I2X(d) ((d)*65536) #endif