#include <math.h>
#include "phasor.h"
#include "../utility/dsp.h"

using namespace daisysp;

void Phasor::SetFreq(float freq)
{
    freq_ = freq;
    inc_  = (TWOPI_F * freq_) / sample_rate_;
}

float Phasor::Process()
{
    float out;
    out = phs_ / TWOPI_F;
    phs_ += inc_;
    if(phs_ > TWOPI_F)
    {
        phs_ -= TWOPI_F;
    }
    if(phs_ < 0.0f)
    {
        phs_ = 0.0f;
    }
    return out;
}