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29 lines
543 B
C++
29 lines
543 B
C++
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/*
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* Copyright (c) 2018, Arm Limited.
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* SPDX-License-Identifier: MIT
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*/
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#ifndef _LOG2_DATA_H
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#define _LOG2_DATA_H
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#include "musl_features.h"
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#define LOG2_TABLE_BITS 6
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#define LOG2_POLY_ORDER 7
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#define LOG2_POLY1_ORDER 11
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extern hidden const struct log2_data {
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double invln2hi;
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double invln2lo;
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double poly[LOG2_POLY_ORDER - 1];
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double poly1[LOG2_POLY1_ORDER - 1];
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struct {
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double invc, logc;
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} tab[1 << LOG2_TABLE_BITS];
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#if !__FP_FAST_FMA
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struct {
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double chi, clo;
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} tab2[1 << LOG2_TABLE_BITS];
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#endif
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} __log2_data;
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#endif
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