SinXOverX.cc

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// -*- mode:c++;tab-width:2;indent-tabs-mode:t;show-trailing-whitespace:t;rm-trailing-spaces:t -*-
// vi: set ts=2 noet:
//
// (c) Copyright Rosetta Commons Member Institutions.
// (c) This file is part of the Rosetta software suite and is made available under license.
// (c) The Rosetta software is developed by the contributing members of the Rosetta Commons.
// (c) For more information, see http://www.rosettacommons.org. Questions about this can be
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/// @file   core/scoring/saxs/SinXOverX.cc
/// @author Dominik Gront (dgront@chem.uw.edu.pl)


// Unit headers
#include <core/scoring/saxs/SinXOverX.hh>

// C++
// AUTO-REMOVED #include <string>
#include <cmath>

#include <utility/vector1.hh>


namespace core {
namespace scoring {
namespace saxs {

utility::vector1<Real> SinXOverX::sin_x_over_x_;
SinXOverX* SinXOverX::instance_;

SinXOverX::SinXOverX() {

    fill_sin_x_over_x_table();
    instance_ = this;
}

void SinXOverX::fill_sin_x_over_x_table() {

    sin_x_over_x_.push_back(2.0);
    for(Real x=0.001;x<=1000;x+=0.01)
  sin_x_over_x_.push_back( 2.0*sin(x)/x );
}


} // saxs
} // scoring
} // core