AbstractLinAlgPack: C++ Interfaces For Vectors, Matrices And Related Linear Algebra Objects Version of the Day
AbstractLinAlgPack_assert_print_nan_inf.cpp
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00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00041 
00042 #include <ostream>
00043 #include <iomanip>
00044 
00045 #include "AbstractLinAlgPack_assert_print_nan_inf.hpp"
00046 #include "AbstractLinAlgPack_Vector.hpp"
00047 #include "RTOp_ROp_find_nan_inf.h"
00048 #include "RTOpPack_RTOpC.hpp"
00049 #include "check_nan_inf.h"
00050 #include "Teuchos_Assert.hpp"
00051 
00052 namespace {
00053 
00054 // Find a NaN or Inf element!
00055 static RTOpPack::RTOpC                               find_nan_inf_op;
00056 static Teuchos::RCP<RTOpPack::ReductTarget>  find_nan_inf_targ;
00057 
00058 class init_rtop_server_t {
00059 public:
00060   init_rtop_server_t() {
00061     TEUCHOS_TEST_FOR_EXCEPT(0!=RTOp_ROp_find_nan_inf_construct(&find_nan_inf_op.op() ));
00062     find_nan_inf_targ = find_nan_inf_op.reduct_obj_create();
00063   }
00064 }; 
00065 
00066 init_rtop_server_t  init_rtop_server;
00067 
00068 } // end namespace
00069 
00070 bool AbstractLinAlgPack::assert_print_nan_inf( const value_type& val, char name[]
00071   , bool throw_excpt, std::ostream* out )
00072 {
00073   if( RTOp_is_nan_inf(val) ) {
00074     std::ostringstream omsg;
00075     omsg
00076       << "The scalar \"" << name
00077       << "\" = " << val << " is not a valid bounded number";
00078     if(out)
00079       *out << omsg.str() << std::endl;
00080     TEUCHOS_TEST_FOR_EXCEPTION(
00081       throw_excpt,NaNInfException
00082       ,"assert_print_nan_inf(...) : Error, " << omsg.str() );
00083     return false;
00084   }
00085   return true;
00086 }
00087 
00088 bool AbstractLinAlgPack::assert_print_nan_inf(
00089   const Vector& v, char name[]
00090   ,bool throw_excpt, std::ostream* out
00091   )
00092 {
00093   find_nan_inf_op.reduct_obj_reinit(find_nan_inf_targ.ptr());
00094   const Vector* vecs[1] = { &v };
00095   apply_op(find_nan_inf_op,1,vecs,0,NULL,&*find_nan_inf_targ);
00096   RTOp_ROp_find_nan_inf_reduct_obj_t
00097     ele =RTOp_ROp_find_nan_inf_val(find_nan_inf_op(*find_nan_inf_targ));
00098   if(out && ele.i) {
00099     *out
00100       << "The vector \"" << name << "\" has the first following NaN or Inf element\n"
00101       << name << "(" << ele.i << ") = " << ele.v0_i << std::endl;
00102   }
00103   TEUCHOS_TEST_FOR_EXCEPTION(
00104     ele.i && throw_excpt, NaNInfException
00105     ,"assert_print_nan_inf(...) : Error, the vector named "
00106     << name << " has at least one element which is NaN or Inf" );
00107   
00108   return ele.i == 0;
00109 }
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