| /****************************************************************************** |
| * * |
| * Copyright (C) 2018 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 |
| */ |
| #ifndef IXHEAACD_BASIC_OP_H |
| #define IXHEAACD_BASIC_OP_H |
| |
| #define add_d(a, b) ((a) + (b)) |
| #define sub_d(a, b) ((a) - (b)) |
| #define ixheaacd_cbrt_calc(a) cbrt(1.0f / a) |
| |
| static PLATFORM_INLINE WORD32 msu32x16in32_dual(WORD32 a, WORD16 c1, WORD32 b, |
| WORD16 c2) { |
| WORD32 result; |
| WORD32 temp_result; |
| UWORD32 a_lsb; |
| WORD32 a_msb; |
| UWORD32 b_lsb; |
| WORD32 b_msb; |
| |
| a_lsb = a & 65535; |
| a_msb = a >> 16; |
| |
| b_lsb = b & 65535; |
| b_msb = b >> 16; |
| temp_result = ((UWORD32)a_lsb * (UWORD32)c1); |
| temp_result = temp_result - (UWORD32)b_lsb * (UWORD32)c2; |
| temp_result = ((WORD32)temp_result) >> 16; |
| result = temp_result + ((a_msb * (WORD32)c1) - (b_msb * (WORD32)c2)); |
| |
| return (result); |
| } |
| |
| static PLATFORM_INLINE WORD32 mac32x16in32_dual(WORD32 a, WORD16 c1, WORD32 b, |
| WORD16 c2) { |
| WORD32 result; |
| WORD32 temp_result; |
| UWORD32 a_lsb; |
| WORD32 a_msb; |
| UWORD32 b_lsb; |
| WORD32 b_msb; |
| |
| a_lsb = a & 65535; |
| a_msb = a >> 16; |
| |
| b_lsb = b & 65535; |
| b_msb = b >> 16; |
| temp_result = (UWORD32)a_lsb * (UWORD32)c1; |
| temp_result = temp_result + (UWORD32)b_lsb * (UWORD32)c2; |
| temp_result = ((UWORD32)temp_result) >> 16; |
| result = temp_result + ((a_msb * (WORD32)c1)) + ((b_msb * (WORD32)c2)); |
| return (result); |
| } |
| |
| static PLATFORM_INLINE WORD64 mac32x32in64_dual(WORD32 a, WORD32 b, WORD64 c) { |
| WORD64 result; |
| WORD64 temp_result; |
| |
| temp_result = (WORD64)a * (WORD64)b; |
| result = c + (temp_result); |
| return (result); |
| } |
| |
| #endif |