RMC01.h

//----------------------------------------------------------------------------
//  XC program; finite element analysis code
//  for structural analysis and design.
//
//  Copyright (C)  Luis Claudio Pérez Tato
//
//  This program derives from OpenSees <http://opensees.berkeley.edu>
//  developed by the  «Pacific earthquake engineering research center».
//
//  Except for the restrictions that may arise from the copyright
//  of the original program (see copyright_opensees.txt)
//  XC is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
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//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details. 
//
//
// You should have received a copy of the GNU General Public License 
// along with this program.
// If not, see <http://www.gnu.org/licenses/>.
//----------------------------------------------------------------------------
//================================================================================
//# COPY LEFT and RIGHT:                                                         #
//# Commercial    use    of    this  program without express permission of the   #
//# University  of  California, is strictly encouraged. Copyright and Copyleft   #
//# are covered by the following clause:                                         #
//#                                                                              #
//# Woody's license:                                                             #
//# ``This    source    code is Copyrighted in U.S., by the The Regents of the   #
//# University  of  California,  for  an indefinite period, and anybody caught   #
//# using  it  without  our  permission,  will be mighty good friends of ourn,   #
//# cause  we  don't give a darn. Hack it. Compile it. Debug it. Run it. Yodel   #
//# it. Enjoy it. We wrote it, that's all we wanted to do.'' bj                  #
//#                                                                              #
//#                                                                              #
//#                                                                              #
//# PROJECT:           Object Oriented Finite Element Program                    #
//# PURPOSE:           Rounded Mohr Coulomb base functions                       #
//# CLASS:                                                                       #
//#                                                                              #
//# VERSION:                                                                     #
//# LANGUAGE:          C++                                                       #
//# TARGET OS:         DOS || UNIX || . . .                                      #
//# DESIGNER(S):       Boris Jeremic jeremic@ucdavis.edu                         #
//#                    Zhao Cheng,                                               #
//#                    Zhaohui Yang                                              #
//# PROGRAMMER(S):     Zhao Cheng, Boris Jeremic                                 #
//#                                                                              #
//#                                                                              #
//# DATE:              12 Feb. 2003                                              #
//# UPDATE HISTORY:                                                              #
//#                                                                              #
//#                                                                              #
//#                                                                              #
//#                                                                              #
//# SHORT EXPLANATION: base functions for rounded Mohr-Coulomb yield surface     #
//#                    and potential function                                    #
//#                                                                              #
//================================================================================

#ifndef RMC01_H
#define RMC01_H

namespace XC{
double g_0( double, double ) ;
double g_prime( double, double ); 
double g_second( double, double ); 
} //end of XC namespace
#endif