80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef IXHEAACD_BASIC_OP_H
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#define IXHEAACD_BASIC_OP_H
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#define add_d(a, b) ((a) + (b))
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#define sub_d(a, b) ((a) - (b))
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#define ixheaacd_cbrt_calc(a) cbrt(1.0f / a)
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static PLATFORM_INLINE WORD32 msu32x16in32_dual(WORD32 a, WORD16 c1, WORD32 b,
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WORD16 c2) {
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WORD32 result;
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WORD32 temp_result;
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UWORD32 a_lsb;
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WORD32 a_msb;
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UWORD32 b_lsb;
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WORD32 b_msb;
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a_lsb = a & 65535;
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a_msb = a >> 16;
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b_lsb = b & 65535;
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b_msb = b >> 16;
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temp_result = ((UWORD32)a_lsb * (UWORD32)c1);
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temp_result = temp_result - (UWORD32)b_lsb * (UWORD32)c2;
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temp_result = ((WORD32)temp_result) >> 16;
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result = temp_result + ((a_msb * (WORD32)c1) - (b_msb * (WORD32)c2));
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return (result);
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}
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static PLATFORM_INLINE WORD32 mac32x16in32_dual(WORD32 a, WORD16 c1, WORD32 b,
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WORD16 c2) {
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WORD32 result;
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WORD32 temp_result;
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UWORD32 a_lsb;
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WORD32 a_msb;
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UWORD32 b_lsb;
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WORD32 b_msb;
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a_lsb = a & 65535;
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a_msb = a >> 16;
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b_lsb = b & 65535;
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b_msb = b >> 16;
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temp_result = (UWORD32)a_lsb * (UWORD32)c1;
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temp_result = temp_result + (UWORD32)b_lsb * (UWORD32)c2;
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temp_result = ((UWORD32)temp_result) >> 16;
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result = temp_result + ((a_msb * (WORD32)c1)) + ((b_msb * (WORD32)c2));
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return (result);
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}
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static PLATFORM_INLINE WORD64 mac32x32in64_dual(WORD32 a, WORD32 b, WORD64 c) {
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WORD64 result;
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WORD64 temp_result;
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temp_result = (WORD64)a * (WORD64)b;
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result = c + (temp_result);
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return (result);
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}
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#endif
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