satdump/src-core/common/dsp/block.cpp

#include "block.h"

namespace dsp
{
    float branchless_clip(float x, float clip) { return 0.5 * (std::abs(x + clip) - std::abs(x - clip)); }

    float branched_clip(float x, float clip)
    {
        if (x < -clip)
            return -clip;
        else if (x > clip)
            return clip;
        else
            return x;
    }

    double hz_to_rad(double freq, double samplerate) { return 2.0 * M_PI * (freq / samplerate); }

    double rad_to_hz(double rad, double samplerate) { return (rad / (2.0 * M_PI)) * samplerate; }
}; // namespace dsp