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/* -*- c++ -*- */
/*
* Copyright 2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef FASTNOISE_SOURCE_IMPL_H
#define FASTNOISE_SOURCE_IMPL_H
#include <gnuradio/analog/fastnoise_source.h>
#include <gnuradio/random.h>
#include <vector>
namespace gr {
namespace analog {
template <class T>
class fastnoise_source_impl : public fastnoise_source<T>
{
private:
noise_type_t d_type;
float d_ampl;
gr::random d_rng;
std::vector<T> d_samples;
uint64_t d_state[2];
size_t d_bitmask;
public:
fastnoise_source_impl(noise_type_t type, float ampl, uint64_t seed, size_t samples);
~fastnoise_source_impl() override;
T sample() override;
T sample_unbiased() override;
const std::vector<T>& samples() const override;
void set_type(noise_type_t type) override;
void set_amplitude(float ampl) override;
void generate();
noise_type_t type() const override { return d_type; }
float amplitude() const override { return d_ampl; }
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} // namespace analog
} /* namespace gr */
#endif /* FASTNOISE_SOURCE_IMPL_H */
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