/usr/include/trilinos/ROL_UserInputGenerator.hpp is in libtrilinos-rol-dev 12.12.1-5.
This file is owned by root:root, with mode 0o644.
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// ************************************************************************
//
// Rapid Optimization Library (ROL) Package
// Copyright (2014) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact lead developers:
// Drew Kouri (dpkouri@sandia.gov) and
// Denis Ridzal (dridzal@sandia.gov)
//
// ************************************************************************
// @HEADER
#ifndef ROL_USERINPUTGENERATOR_HPP
#define ROL_USERINPUTGENERATOR_HPP
#include "ROL_SampleGenerator.hpp"
#include "ROL_BatchManager.hpp"
#include <fstream>
#include <iostream>
#include <string>
namespace ROL {
template<class Real>
class UserInputGenerator : public SampleGenerator<Real> {
private:
void sample(const std::string &file_pt,
const std::string &file_wt,
const int n,
const int dim,
const Teuchos::RCP<BatchManager<Real> > &bman) {
// Read in full point data and weight data
std::fstream input_pt;
input_pt.open(file_pt.c_str(),std::ios::in);
std::fstream input_wt;
input_wt.open(file_wt.c_str(),std::ios::in);
if ( !input_pt.is_open() || !input_wt.is_open() ) {
if ( !input_pt.is_open() ) {
if ( bman->batchID() == 0 ) {
std::cout << "CANNOT OPEN " << file_pt.c_str() << "\n";
}
}
if ( !input_wt.is_open() ) {
if ( bman->batchID() == 0 ) {
std::cout << "CANNOT OPEN " << file_wt.c_str() << "\n";
}
}
}
else {
std::vector<std::vector<Real> > pt(n);
std::vector<Real> wt(n,0.0);
std::vector<Real> point(dim,0.0);;
for (int i = 0; i < n; i++) {
for (int j = 0; j < dim; j++) {
input_pt >> point[j];
}
pt[i] = point;
input_wt >> wt[i];
}
// Get process rankd and number of processes
int rank = bman->batchID();
int nProc = bman->numBatches();
// Separate samples across processes
int frac = n/nProc;
int rem = n%nProc;
int N = frac;
if ( rank < rem ) {
N++;
}
std::vector<std::vector<Real> > my_pt(N);
std::vector<Real> my_wt(N,0.0);
int index = 0;
for (int i = 0; i < N; i++) {
index = i*nProc + rank;
my_pt[i] = pt[index];
my_wt[i] = wt[index];
}
SampleGenerator<Real>::setPoints(my_pt);
SampleGenerator<Real>::setWeights(my_wt);
}
input_pt.close();
input_wt.close();
}
public:
UserInputGenerator(Teuchos::ParameterList &parlist,
const Teuchos::RCP<BatchManager<Real> > &bman)
: SampleGenerator<Real>(bman) {
Teuchos::ParameterList &list
= parlist.sublist("SOL").sublist("Sample Generator").sublist("User Input");
if ( list.isParameter("Points File") &&
list.isParameter("Weights File") &&
list.isParameter("Number of Samples") &&
list.isParameter("Dimension") ) {
std::string file_pt = list.get("Points File Name","points.txt");
std::string file_wt = list.get("Weights File Name","weights.txt");
int n = list.get("Number of Samples",100);
int dim = list.get("Dimension",4);
sample(file_pt,file_wt,n,dim,bman);
}
else {
TEUCHOS_TEST_FOR_EXCEPTION(true,std::invalid_argument,
">>> (ROL::UserInputGenerator): ParameterList does not contain sufficient information.");
}
}
UserInputGenerator(const std::string file_pt,
const std::string file_wt,
const int n,
const int dim,
const Teuchos::RCP<BatchManager<Real> > &bman)
: SampleGenerator<Real>(bman) {
sample(file_pt,file_wt,n,dim,bman);
}
void refine(void) {}
};
}
#endif
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