Gain.h File Reference

#include <type_traits>
#include <cmath>
#include <limits>

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Functions
template<typename Type >
Type	ExpGain (Type gain) noexcept

Function Documentation

ExpGain()

template<typename Type >

Type ExpGain ( Type  gain )

noexcept

Definition at line 19 of file Gain.h.

{
   static_assert(std::is_floating_point_v<Type>);
 
   constexpr Type a(1e-3);
   constexpr Type b(6.908);
 
   if (gain < std::numeric_limits<Type>::epsilon())
      return {};
 
   const Type expGain = a * std::exp(b * gain);
 
   if (expGain > Type(1))
      return Type(1);
 
   return expGain;
}

Referenced by AudioIoCallback::AddToOutputChannel().

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