ShFunc.hpp

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// Sh: A GPU metaprogramming language.
//
// Copyright 2003-2005 Serious Hack Inc.
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
// MA  02110-1301, USA
#ifndef SHUTIL_FUNC_HPP 
#define SHUTIL_FUNC_HPP 

#include "ShVariable.hpp"
#include "ShAttrib.hpp"

#ifndef WIN32
namespace ShUtil {

using namespace SH;

template<int N, typename T>
ShGeneric<N, T> deprecated_smoothstep(const ShGeneric<N, T>& a, const ShGeneric<N, T>& b,
    const ShGeneric<N, T> x); 

// TODO: may not work as intended on 24-bit floats
// since there may not be enough precision 
template<int N, typename T>
ShGeneric<N, T> hashlcg(const ShGeneric<N, T>& p); 

template<typename T>
ShGeneric<3, T> changeBasis(const ShGeneric<3, T> &b0, 
    const ShGeneric<3, T> &b1, const ShGeneric<3, T> &b2, const ShGeneric<3, T> &v); 

}
#endif

#include "ShFuncImpl.hpp"

#endif // SHUTIL_FUNC_HPP 

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