27 lines
522 B
C
27 lines
522 B
C
/*
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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 _LOG_DATA_H
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#define _LOG_DATA_H
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#define LOG_TABLE_BITS 7
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#define LOG_POLY_ORDER 6
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#define LOG_POLY1_ORDER 12
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extern const struct log_data {
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double ln2hi;
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double ln2lo;
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double poly[LOG_POLY_ORDER - 1]; /* First coefficient is 1. */
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double poly1[LOG_POLY1_ORDER - 1];
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struct {
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double invc, logc;
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} tab[1 << LOG_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 << LOG_TABLE_BITS];
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#endif
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} __log_data;
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#endif
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