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/*
 * Piecewise polynomial approximation of
 * inverse of the normal cumulative distribution function (CDF)
 */
 
/*
 * Copyright (C) 2014, Guangxi Liu <guangxi.liu@opencores.org>
 *
 * This source file may be used and distributed without restriction provided
 * that this copyright statement is not removed from the file and that any
 * derivative work contains the original copyright notice and the associated
 * disclaimer.
 *
 * This source file is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License,
 * or (at your option) any later version.
 *
 * This source is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this source; if not, download it from
 * http://www.opencores.org/lgpl.shtml
 */
 
 
#ifndef ICDF_H
#define ICDF_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Calculate Inverse of the normal CDF */
long icdf(unsigned long long x);
 
 
#ifdef __cplusplus
}
#endif
 
#endif