special_functions.h

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/*
 *  SPDX-FileCopyrightText: Copyright 2021, Siavash Ameli <sameli@berkeley.edu>
 *  SPDX-License-Identifier: BSD-3-Clause
 *  SPDX-FileType: SOURCE
 *
 *  This program is free software: you can redistribute it and/or modify it
 *  under the terms of the license found in the LICENSE.txt file in the root
 *  directory of this source tree.
 */
 
 
#ifndef _C_TRACE_ESTIMATOR_SPECIAL_FUNCTIONS_H_
#define _C_TRACE_ESTIMATOR_SPECIAL_FUNCTIONS_H_
 
// ======
// Headers
// ======
 
#include "../_definitions/types.h"  // DataType, IndexType, FlagType
 
// ============
// Declarations
// ============
 
// erf inv
double _sign(const double x);
double erf_inv(const double x);
 
#endif  // _C_TRACE_ESTIMATOR_SPECIAL_FUNCTIONS_H_