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38 lines
924 B
C++
38 lines
924 B
C++
#ifndef SPROUT_MATH_ISFINITE_HPP
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#define SPROUT_MATH_ISFINITE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/utility/enabler_if.hpp>
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#include <sprout/math/isnan.hpp>
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#include <sprout/math/isinf.hpp>
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#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
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# include <cmath>
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#endif
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namespace sprout {
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namespace math {
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namespace detail {
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template<
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typename FloatType,
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typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR int
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isfinite(FloatType x) {
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return !sprout::math::isnan(x)
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&& !sprout::math::isinf(x)
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;
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}
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} // namespace detail
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# if SPROUT_USE_BUILTIN_CMATH_FUNCTION
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using std::isfinite;
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# else
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using sprout::math::detail::isfinite;
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# endif
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} // namespace math
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using sprout::math::isfinite;
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} // namespace sprout
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#endif // #ifndef SPROUT_MATH_ISFINITE_HPP
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