/****************************************************************************** * * * Copyright (C) 2023 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. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ #pragma once /*****************************************************************************/ /* constant macros */ /*****************************************************************************/ #define Q1 2 #define Q2 4 #define Q3 8 #define Q4 16 #define Q6 64 #define Q25 33554432 #define Q28 268435456 #define Q29 536870912 #define Q30 1073741824 #define Q31 2147483647 #define Q32 4294967296 #define Q35 34359738368 #define Q39 549755813887 #define Q40 Q39 #define MAX_32 (WORD32)0x7fffffffL #define MIN_32 (WORD32)0x80000000L #define MAX_16 (WORD16)0x7fff