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[r187]: / trunk / include / dgrmatrix- / dgrmatrix-calc.hpp  Maximize  Restore  History

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//=============================================================================
/*! return its largest absolute value */
inline double damax(const dgrmatrix& mat)
{CPPL_VERBOSE_REPORT;
//////// exception ////////
if(mat.a.size()==0){
return 0.;
}
//////// find ////////
const size_t mat_a_size =mat.a.size();
double amax =0.;
double vmax;
for(size_t k=0; k<mat_a_size; k++){
if( amax < fabs(mat.a[k]) ){
amax =fabs(mat.a[k]);
vmax =mat.a[k];
}
}
return vmax;
}
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