juce_Random.h

/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   The code included in this file is provided under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
   To use, copy, modify, and/or distribute this software for any purpose with or
   without fee is hereby granted provided that the above copyright notice and
   this permission notice appear in all copies.
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
//==============================================================================
class JUCE_API  Random  final
{
public:
    //==============================================================================
    explicit Random (int64 seedValue) noexcept;

    Random();

    int nextInt() noexcept;

    int nextInt (int maxValue) noexcept;

    int nextInt (Range<int> range) noexcept;

    int64 nextInt64() noexcept;

    float nextFloat() noexcept;

    double nextDouble() noexcept;

    bool nextBool() noexcept;

    BigInteger nextLargeNumber (const BigInteger& maximumValue);

    void fillBitsRandomly (void* bufferToFill, size_t sizeInBytes);

    void fillBitsRandomly (BigInteger& arrayToChange, int startBit, int numBits);
 
    //==============================================================================
    void setSeed (int64 newSeed) noexcept;

    int64 getSeed() const noexcept                      { return seed; }

    void combineSeed (int64 seedValue) noexcept;

    void setSeedRandomly();

    static Random& getSystemRandom() noexcept;
 
private:
    //==============================================================================
    int64 seed;
 
    JUCE_LEAK_DETECTOR (Random)
};
 
} // namespace juce