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special_functions.h
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1/*
2 * SPDX-FileCopyrightText: Copyright 2021, Siavash Ameli <sameli@berkeley.edu>
3 * SPDX-License-Identifier: BSD-3-Clause
4 * SPDX-FileType: SOURCE
5 *
6 * This program is free software: you can redistribute it and/or modify it
7 * under the terms of the license found in the LICENSE.txt file in the root
8 * directory of this source tree.
9 */
10
11
12#ifndef _C_TRACE_ESTIMATOR_SPECIAL_FUNCTIONS_H_
13#define _C_TRACE_ESTIMATOR_SPECIAL_FUNCTIONS_H_
14
15// ======
16// Headers
17// ======
18
19#include "../_definitions/types.h" // DataType, IndexType, FlagType
20
21// ============
22// Declarations
23// ============
24
25// erf inv
26double _sign(const double x);
27double erf_inv(const double x);
28
29#endif // _C_TRACE_ESTIMATOR_SPECIAL_FUNCTIONS_H_
double erf_inv(const double x)
Inverse error function.
double _sign(const double x)
sign function.