ConstrainedOptPack_DecompositionSystem.cpp

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00003 // 
00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00005 //                  Copyright (2003) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
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00028 
00029 #include "ConstrainedOptPack_DecompositionSystem.hpp"
00030 
00031 namespace ConstrainedOptPack {
00032 
00033 size_type DecompositionSystem::n() const
00034 {
00035   return this->space_range()->dim() + this->space_null()->dim();
00036 }
00037 
00038 size_type DecompositionSystem::r() const
00039 {
00040   return this->space_range()->dim();
00041 }
00042 
00043 Range1D DecompositionSystem::equ_decomp() const
00044 {
00045   const size_type
00046     r = this->r();
00047   return r ? Range1D(1,this->r()) : Range1D::Invalid;
00048 }
00049   
00050 Range1D DecompositionSystem::equ_undecomp() const
00051 {
00052   const size_type
00053     r = this->r(),
00054     m = this->m();
00055   return m > r ? Range1D(r+1,m) : Range1D::Invalid;
00056 }
00057 
00058 } // end namespace ConstrainedOptPack
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