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/*
Copyright 2008 Brain Research Institute, Melbourne, Australia
Written by J-Donald Tournier, 27/06/08.
This file is part of MRtrix.
MRtrix is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MRtrix is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with MRtrix. If not, see <http://www.gnu.org/licenses/>.
*/
#include <glibmm/stringutils.h>
#include <fstream>
#include "math/vector.h"
namespace MR {
namespace Math {
void Vector::load (const String& filename)
{
std::ifstream in (filename.c_str());
if (!in) throw Exception ("cannot open file \"" + filename + "\": " + Glib::strerror (errno));
std::vector<double> data;
double value;
while (true) {
in >> value;
if (in.eof()) break;
data.push_back (value);
}
in.close();
allocate (data.size());
for (guint n = 0; n < size(); n++)
(*this)[n] = data[n];
}
void Vector::save (const String& filename) const
{
std::ofstream out (filename.c_str());
if (!out) throw Exception ("cannot open file \"" + filename + "\": " + Glib::strerror (errno));
for (guint i = 0; i < size(); i++)
out << (*this)[i] << "\n";
}
void Vector::print() const
{
gchar buf[12];
for (guint i = 0; i < size(); i++) {
sprintf (buf, "%.4g", (*this)[i]);
fprintf (stderr, "%11.10s\n", buf);
}
}
std::ostream& operator<<(std::ostream& stream, const Vector& vec)
{
stream << "[ ";
for (guint i = 0; i < vec.size(); i++)
stream << vec[i] << " ";
stream << "]";
return(stream);
}
}
}
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