57 lines
2.2 KiB
C
57 lines
2.2 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_FUNCS_H
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#define IXHEAACD_BASIC_FUNCS_H
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#define LOG_2_TABLE_SIZE 65
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#define INV_TABLE_SIZE 256
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#define SQRT_TABLE_SIZE 256
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WORD32 ixheaacd_sqrt(WORD32 op);
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VOID ixheaacd_fix_mant_exp_add(WORD16 a_m, WORD16 a_e, WORD16 b_m, WORD16 b_e,
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WORD16 *ptr_sum_mant, WORD16 *ptr_sum_exp);
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WORD32 ixheaacd_fix_mant_div(WORD16 a_m, WORD16 b_m, WORD16 *ptr_result,
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ixheaacd_misc_tables *pstr_common_tables);
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VOID ixheaacd_fix_mant_exp_sqrt(WORD16 *mant, WORD16 *sqrt_table);
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WORD32 ixheaacd_fix_div_dec(WORD32 divident, WORD32 divisor);
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WORD32 ixheaacd_fix_div_armv7(WORD32 divident, WORD32 divisor);
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VOID ixheaacd_mantisa_mod(WORD32 b_m, WORD32 b_e, WORD32 *ptr_sum_mant,
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WORD32 *ptr_sum_exp);
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extern VOID ixheaacd_scale_short_vec_left(WORD16 *word16_arr, WORD32 n,
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WORD16 shift);
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extern VOID ixheaacd_scale_int_vec_left(WORD32 *word32_arr, WORD32 n,
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WORD16 shift);
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extern VOID ixheaacd_scale_int_vec_right(WORD32 *word32_arr, WORD32 n,
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WORD16 shift);
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extern VOID ixheaacd_scale_short_vec_right(WORD16 *word16_arr, WORD32 n,
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WORD16 shift);
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#endif /* IXHEAACD_BASIC_FUNCS_H */
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