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SprGenMatrix.cc File Reference

#include <cstring>
#include <cmath>
#include <cstdlib>
#include "SprGenMatrix.hh"
#include "SprSymMatrix.hh"
#include "SprMatrix.hh"

Go to the source code of this file.

Functions
double	norm1 (const SprGenMatrix &m)
double	norm_infinity (const SprGenMatrix &m)

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Function Documentation

double norm1

(

const SprGenMatrix &

m

)

Definition at line 61 of file SprGenMatrix.cc.

References c, m, max, r, and sum().

Referenced by GflashEMShowerProfile::parameterization().

                                    {
  double max=0,sum;
  for(int c=1;c<=m.num_col();c++) {
    sum=0;
    for(int r=1;r<=m.num_row();r++)
      sum+=fabs(m(r,c));
    if(sum>max) max=sum;
  }
  return max;
}

double norm_infinity

(

const SprGenMatrix &

m

)

Definition at line 49 of file SprGenMatrix.cc.

References c, m, max, r, and sum().

                                            {
  double max=0,sum;
  for(int r=1;r<=m.num_row();r++) {
    sum=0;
    for(int c=1;c<=m.num_col();c++) {
      sum+=fabs(m(r,c));
    }
    if(sum>max) max=sum;
  }
  return max;
}

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