xref: /aosp_15_r20/external/musl/src/math/log2f_data.h (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker /*
2*c9945492SAndroid Build Coastguard Worker  * Copyright (c) 2017-2018, Arm Limited.
3*c9945492SAndroid Build Coastguard Worker  * SPDX-License-Identifier: MIT
4*c9945492SAndroid Build Coastguard Worker  */
5*c9945492SAndroid Build Coastguard Worker #ifndef _LOG2F_DATA_H
6*c9945492SAndroid Build Coastguard Worker #define _LOG2F_DATA_H
7*c9945492SAndroid Build Coastguard Worker 
8*c9945492SAndroid Build Coastguard Worker #include <features.h>
9*c9945492SAndroid Build Coastguard Worker 
10*c9945492SAndroid Build Coastguard Worker #define LOG2F_TABLE_BITS 4
11*c9945492SAndroid Build Coastguard Worker #define LOG2F_POLY_ORDER 4
12*c9945492SAndroid Build Coastguard Worker extern hidden const struct log2f_data {
13*c9945492SAndroid Build Coastguard Worker 	struct {
14*c9945492SAndroid Build Coastguard Worker 		double invc, logc;
15*c9945492SAndroid Build Coastguard Worker 	} tab[1 << LOG2F_TABLE_BITS];
16*c9945492SAndroid Build Coastguard Worker 	double poly[LOG2F_POLY_ORDER];
17*c9945492SAndroid Build Coastguard Worker } __log2f_data;
18*c9945492SAndroid Build Coastguard Worker 
19*c9945492SAndroid Build Coastguard Worker #endif
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