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Sprout/sprout/math/exp10.hpp

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#ifndef SPROUT_MATH_EXP10_HPP
#define SPROUT_MATH_EXP10_HPP
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#include <limits>
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#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/detail/float_compute.hpp>
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#include <sprout/math/exp.hpp>
#include <sprout/math/constants.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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namespace sprout {
namespace math {
namespace detail {
template<typename T>
inline SPROUT_CONSTEXPR T
exp10_impl(T x) {
return sprout::math::exp(x * sprout::math::ln_ten<T>());
}
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template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR FloatType
exp10(FloatType x) {
return x == -std::numeric_limits<FloatType>::infinity() ? FloatType(0)
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: x == std::numeric_limits<FloatType>::infinity() ? std::numeric_limits<FloatType>::infinity()
: x == 0 ? FloatType(1)
: static_cast<FloatType>(sprout::math::detail::exp10_impl(static_cast<typename sprout::math::detail::float_compute<FloatType>::type>(x)))
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;
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}
template<
typename IntType,
typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR double
exp10(IntType x) {
return sprout::math::detail::exp10(static_cast<double>(x));
}
} // namespace detail
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using sprout::math::detail::exp10;
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} // namespace math
using sprout::math::exp10;
} // namespace sprout
#endif // #ifndef SPROUT_MATH_EXP10_HPP