inline ENonlinearCG StringToENonlinearCG(std::string s) {
s = removeStringFormat(s);
for ( ENonlinearCG nlcg = NONLINEARCG_HESTENES_STIEFEL; nlcg < NONLINEARCG_LAST; nlcg++ ) {
if ( !s.compare(removeStringFormat(ENonlinearCGToString(nlcg))) ) {
return nlcg;
}
}
return NONLINEARCG_HESTENES_STIEFEL;
}
/** \brief Print step name.
This function produces a string containing the algorithmic step information.
*/
std::string printName( void ) const {
std::stringstream hist;
hist << "\n" << EDescentToString(edesc_)
<< " with " << ELineSearchToString(els_)
<< " Linesearch satisfying "
<< ECurvatureConditionToString(econd_) << "\n";
if ( edesc_ == DESCENT_NEWTONKRYLOV ) {
hist << "Krylov Type: " << EKrylovToString(ekv_) << "\n";
}
if ( edesc_ == DESCENT_SECANT ||
(edesc_ == DESCENT_NEWTONKRYLOV && (useSecantPrecond_ || useSecantHessVec_)) ) {
hist << "Secant Type: " << ESecantToString(esec_) << "\n";
}
if ( edesc_ == DESCENT_NONLINEARCG ) {
hist << "Nonlinear CG Type: " << ENonlinearCGToString(enlcg_) << "\n";
}
return hist.str();
}