math_funcs.h

Go to the documentation of this file.

/* Copyright (C) 2000, 2001 Patrick Eriksson <patrick@rss.chalmers.se>
                            Stefan Buehler   <sbuehler@uni-bremen.de>
 
   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 2, or (at your option) any
   later version.
 
   This program 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 General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
   USA. */
 
 
 
//   File description
 
#ifndef math_funcs_h
#define math_funcs_h
 
#include "matpackI.h"
#include "mystring.h"
 
 
 
 
Numeric first( ConstVectorView x );
 
Numeric last( ConstVectorView x );
 
 
 
 
bool any( const ArrayOfIndex& x ); 
 
 
 
// Functions to generate vectors
 
void linspace(                      
              Vector&     x,           
              const Numeric  start,    
              const Numeric  stop,        
              const Numeric  step );
 
Vector linspace(             
                const Numeric  start, 
                const Numeric  stop,  
                const Numeric  step );
 
void nlinspace(         
              Vector&     x, 
              const Numeric     start,     
              const Numeric     stop,        
              const Index       n );
 
Vector nlinspace(         
                 const Numeric     start, 
                 const Numeric     stop,  
                 const Index         n );
 
void nlogspace(         
               Vector&     x, 
               const Numeric     start,     
               const Numeric     stop,        
               const Index         n );
 
Vector nlogspace(  
                 const Numeric     start, 
                 const Numeric     stop,  
                 const Index         n );
 
 
 
//   Interpolation routines
 
void interp_lin_vector( VectorView       yi,
                        ConstVectorView  x, 
                        ConstVectorView  y, 
                        ConstVectorView  xi );
 
void interp_lin_matrix(    
                       MatrixView        Yi,
                       ConstVectorView   x, 
                       ConstMatrixView   Y, 
                       ConstVectorView   xi );
 
Numeric interp_lin(         
                   ConstVectorView  x, 
                   ConstVectorView  y, 
                   const Numeric  xi );
 
 
 
//   Check of function input
 
void check_if_bool( const Index& x, const String& x_name );
 
void check_if_in_range( 
   const Numeric& x_low, 
   const Numeric& x_high, 
   const Numeric& x, 
   const String&  x_name );
 
void check_lengths( const Vector& x1, const String& x1_name,
                     const Vector& x2, const String& x2_name );
 
void check_length_nrow( const Vector& x, const String& x_name,
                         const Matrix& A, const String& A_name );
 
void check_length_ncol( const Vector& x, const String& x_name,
                         const Matrix& A, const String& A_name );
 
void check_ncol_nrow( const Matrix& A, const String& A_name,
                      const Matrix& B, const String& B_name );
 
#endif  // math_funcs_h