93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
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/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2014 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include <mapnik/function_call.hpp>
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namespace mapnik {
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// functions
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// exp
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inline value_type exp_impl (value_type const& val)
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{
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return std::exp(val.to_double());
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}
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// sin
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inline value_type sin_impl (value_type const& val)
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{
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return std::sin(val.to_double());
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}
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// cos
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inline value_type cos_impl (value_type const& val)
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{
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return std::cos(val.to_double());
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}
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// tan
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inline value_type tan_impl (value_type const& val)
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{
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return std::tan(val.to_double());
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}
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// atan
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inline value_type atan_impl (value_type const& val)
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{
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return std::atan(val.to_double());
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}
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unary_function_types::unary_function_types()
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{
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add
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("sin", unary_function_impl(sin_impl))
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("cos", unary_function_impl(cos_impl))
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("tan", unary_function_impl(tan_impl))
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("atan", unary_function_impl(atan_impl))
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("exp", unary_function_impl(exp_impl))
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;
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}
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// binary functions
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// min
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inline value_type min_impl(value_type const& arg1, value_type const& arg2)
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{
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return std::min(arg1.to_double(), arg2.to_double());
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}
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// max
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inline value_type max_impl(value_type const& arg1, value_type const& arg2)
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{
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return std::max(arg1.to_double(), arg2.to_double());
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}
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// pow
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inline value_type pow_impl(value_type const& arg1, value_type const& arg2)
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{
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return std::pow(arg1.to_double(), arg2.to_double());
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}
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binary_function_types::binary_function_types()
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{
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add
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("min", binary_function_impl(min_impl))
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("max", binary_function_impl(max_impl))
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("pow", binary_function_impl(pow_impl))
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;
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}
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}
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