1 /****************************************************************************** 2 * * 3 * Copyright (C) 2023 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 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 21 #pragma once 22 23 #define ia_add_flt(a, b) ((a) + (b)) 24 #define ia_sub_flt(a, b) ((a) - (b)) 25 #define ia_mac_flt(x, a, b) ((x) + (a) * (b)) 26 #define ia_msu_flt(x, a, b) ((x) - (a) * (b)) 27 #define ia_mul_flt(a, b) ((a) * (b)) 28 #define ia_negate_flt(a) (-a) 29 30 #define MASK 0x0001 31 32 #define C70 (-0.1666667014f) //(cos(u) + cos(2 * u) + cos(3 * u)) / 3; 33 #define C71 (0.7901564837f) //(2 * cos(u) - cos(2 * u) - cos(3 * u)) / 3; 34 #define C72 (0.0558542535f) //(cos(u) - 2 * cos(2 * u) + cos(3 * u)) / 3; 35 #define C73 (0.7343022227f) //(cos(u) + cos(2 * u) - 2 * cos(3 * u)) / 3; 36 #define C74 (-0.4409585893f) //(sin(u) + sin(2 * u) - sin(3 * u)) / 3; 37 #define C75 (-0.3408728838f) //(2 * sin(u) - sin(2 * u) + sin(3 * u)) / 3; 38 #define C76 (0.5339693427f) //(sin(u) - 2 * sin(2 * u) - sin(3 * u)) / 3; 39 #define C77 (-0.8748422265f) //(sin(u) + sin(2 * u) + 2 * sin(3 * u)) / 3; 40 41 FLOAT32 ixheaace_div32(FLOAT32 num, FLOAT32 den); 42 FLOAT64 ixheaace_div64(FLOAT64 num, FLOAT64 den); 43