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/* SPDX-License-Identifier: BSL-1.0 OR BSD-3-Clause */
#ifndef MPT_BASE_EMPTY_HPP
#define MPT_BASE_EMPTY_HPP
#include "mpt/base/detect.hpp"
#include "mpt/base/namespace.hpp"
#include <algorithm>
#include <type_traits>
#include <cmath>
namespace mpt {
inline namespace MPT_INLINE_NS {
#if MPT_OS_DJGPP
inline long double log2(const long double val) {
return static_cast<long double>(::log2(static_cast<double>(val)));
}
inline double log2(const double val) {
return ::log2(val);
}
inline float log2(const float val) {
return ::log2f(val);
}
#else // !MPT_OS_DJGPP
// C++11 std::log2
using std::log2;
#endif // MPT_OS_DJGPP
#if MPT_OS_DJGPP
inline long double round(const long double val) {
return ::roundl(val);
}
inline double round(const double val) {
return ::round(val);
}
inline float round(const float val) {
return ::roundf(val);
}
#else // !MPT_OS_DJGPP
// C++11 std::round
using std::round;
#endif // MPT_OS_DJGPP
template <typename T>
inline T sanitize_nan(T val) {
static_assert(std::is_floating_point<T>::value);
if (std::isnan(val)) {
return T(0.0);
}
return val;
}
template <typename T>
inline T safe_clamp(T v, T lo, T hi) {
static_assert(std::is_floating_point<T>::value);
return std::clamp(mpt::sanitize_nan(v), lo, hi);
}
} // namespace MPT_INLINE_NS
} // namespace mpt
#endif // MPT_BASE_EMPTY_HPP
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