1 /****************************************************************************** 2 * * 3 * Copyright (C) 2018 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 #ifndef IXHEAACD_BASIC_OP_H 21 #define IXHEAACD_BASIC_OP_H 22 23 #define add_d(a, b) ((a) + (b)) 24 #define sub_d(a, b) ((a) - (b)) 25 #define ixheaacd_cbrt_calc(a) cbrt(1.0f / a) 26 27 static PLATFORM_INLINE WORD32 msu32x16in32_dual(WORD32 a, WORD16 c1, WORD32 b, 28 WORD16 c2) { 29 WORD32 result; 30 WORD32 temp_result; 31 UWORD32 a_lsb; 32 WORD32 a_msb; 33 UWORD32 b_lsb; 34 WORD32 b_msb; 35 36 a_lsb = a & 65535; 37 a_msb = a >> 16; 38 39 b_lsb = b & 65535; 40 b_msb = b >> 16; 41 temp_result = ((UWORD32)a_lsb * (UWORD32)c1); 42 temp_result = temp_result - (UWORD32)b_lsb * (UWORD32)c2; 43 temp_result = ((WORD32)temp_result) >> 16; 44 result = temp_result + ((a_msb * (WORD32)c1) - (b_msb * (WORD32)c2)); 45 46 return (result); 47 } 48 49 static PLATFORM_INLINE WORD32 mac32x16in32_dual(WORD32 a, WORD16 c1, WORD32 b, 50 WORD16 c2) { 51 WORD32 result; 52 WORD32 temp_result; 53 UWORD32 a_lsb; 54 WORD32 a_msb; 55 UWORD32 b_lsb; 56 WORD32 b_msb; 57 58 a_lsb = a & 65535; 59 a_msb = a >> 16; 60 61 b_lsb = b & 65535; 62 b_msb = b >> 16; 63 temp_result = (UWORD32)a_lsb * (UWORD32)c1; 64 temp_result = temp_result + (UWORD32)b_lsb * (UWORD32)c2; 65 temp_result = ((UWORD32)temp_result) >> 16; 66 result = temp_result + ((a_msb * (WORD32)c1)) + ((b_msb * (WORD32)c2)); 67 return (result); 68 } 69 70 static PLATFORM_INLINE WORD64 mac32x32in64_dual(WORD32 a, WORD32 b, WORD64 c) { 71 WORD64 result; 72 WORD64 temp_result; 73 74 temp_result = (WORD64)a * (WORD64)b; 75 result = c + (temp_result); 76 return (result); 77 } 78 79 #endif 80
