57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2010 Danny Robson <danny@blubinc.net>
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*/
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#include "maths.hpp"
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#include "float.hpp"
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#include <cmath>
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template <typename T>
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T
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pow2 (T value)
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{ return value * value; }
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template double pow2(double);
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template int pow2( int);
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template <typename T>
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double
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rootsquare (T a, T b)
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{ return sqrt (pow2 (a) + pow2 (b)); }
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template double rootsquare (double, double);
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template double rootsquare ( int, int);
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template <>
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bool
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almost_equal (const float &a, const float &b)
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{ return ieee_single::almost_equal (a, b); }
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template <>
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bool
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almost_equal (const double &a, const double &b)
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{ return ieee_double::almost_equal (a, b); }
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