JPL::Detail Namespace Reference

Functions
JPL_INLINE uint32	CeilToPrime (uint32 number)
template<class Sample >
constexpr Sample	GenRandomSign (uint32 outChannel, uint32 fdnChannel)

Variables
constexpr auto	cPrimes
constexpr uint32	cMaxFDNOrder = 64
constexpr uint32	cMaxDelayInSamples = cPrimes.back()
template<uint32 FDNOrder>
constexpr bool	cValidFDNOrder = FDNOrder > 0 and FDNOrder <= cMaxFDNOrder

Detailed Description

Reverb design components & utilities. Largely inspired by wonderful article by Geraint Luff "Let's Write A Reverb"

(example of usage is at the very end of the file)

Function Documentation

CeilToPrime()

JPL_INLINE uint32 JPL::Detail::CeilToPrime

(

uint32

number

)

GenRandomSign()

template<class Sample >

constexpr Sample JPL::Detail::GenRandomSign ( uint32  outChannel, uint32  fdnChannel  )

constexpr

Variable Documentation

cMaxDelayInSamples

constexpr uint32 JPL::Detail::cMaxDelayInSamples = cPrimes.back()

constexpr

cMaxFDNOrder

constexpr uint32 JPL::Detail::cMaxFDNOrder = 64

constexpr

cPrimes

constexpr auto JPL::Detail::cPrimes

inlineconstexpr

Initial value:

=[]() -> std::array<uint32, 2'000>
        {
            constexpr uint32 N = 2'000;
            
            auto isPrime = [](uint32 num)
            {
                if (num <= 1) return false;
                if (num == 2 || num == 3) return true;
                if (num % 2 == 0 || num % 3 == 0) return false;
                for (uint32 i = 5; i * i <= num; i += 6)
                    if (num % i == 0 || num % (i + 2) == 0) return false;
                return true;
            };
 
            std::array<uint32, N> primes{};
            std::size_t count = 0;
            uint32 candidate = 2;
 
            while (count < N)
            {
                if (isPrime(candidate))
                {
                    primes[count] = candidate;
                    count++;
                }
                candidate++;
            }
            return primes;
        }()

cValidFDNOrder

template<uint32 FDNOrder>

constexpr bool JPL::Detail::cValidFDNOrder = FDNOrder > 0 and FDNOrder <= cMaxFDNOrder

constexpr