C++ (Cpp) sc_fold Examples

Example #1

File: PyrMathPrim.cpp Project: danstowell/SuperCute

int mathFoldInt(struct VMGlobals *g, int numArgsPushed)
{
	PyrSlot *a, *b, *c;
	int err;

	a = g->sp - 2;
	b = g->sp - 1;
	c = g->sp;

	if (IsSym(b)) {
		*a = *b;
	} else if (IsSym(c)) {
		*a = *c;
	} else if (IsInt(b) && IsInt(c)) {
		SetRaw(a, sc_fold(slotRawInt(a), slotRawInt(b), slotRawInt(c)));
	} else {
		double x, lo, hi;
		x = slotRawInt(a);
		err = slotDoubleVal(b, &lo);
		if (err) return err;
		err = slotDoubleVal(c, &hi);
		if (err) return err;
		SetFloat(a, sc_fold(x, lo, hi));
	}
	return errNone;
}

Example #2

File: DemandUGens.cpp Project: GaryHomewood/supercollider-android-bootstrap

void Dibrown_next(Dibrown *unit, int inNumSamples)
{
	if (inNumSamples) {

		float lo   = DEMANDINPUT_A(1, inNumSamples);    if(!sc_isnan(lo))   { unit->m_lo   = (int32)lo; }
		float hi   = DEMANDINPUT_A(2, inNumSamples);    if(!sc_isnan(hi))   { unit->m_hi   = (int32)hi; }
		float step = DEMANDINPUT_A(3, inNumSamples);    if(!sc_isnan(step)) { unit->m_step = (int32)step; }

		if (unit->m_repeats < 0.) {
			float x = DEMANDINPUT_A(0, inNumSamples);
			unit->m_repeats = sc_isnan(x) ? 0.f : floor(x + 0.5f);
			unit->m_val = unit->mParent->mRGen->irand(unit->m_hi - unit->m_lo + 1) + unit->m_lo;
		}
		if (unit->m_repeatCount >= unit->m_repeats) {
			OUT0(0) = NAN;
			return;
		}
		OUT0(0) = unit->m_val;
		int32 z = unit->m_val + unit->mParent->mRGen->irand2(unit->m_step);
		unit->m_val = sc_fold(z, unit->m_lo, unit->m_hi);
	} else {
		unit->m_repeats = -1.f;
		unit->m_repeatCount = 0;
	}
}

Example #3

File: DemandUGens.cpp Project: GaryHomewood/supercollider-android-bootstrap

void Dbrown_next(Dbrown *unit, int inNumSamples)
{
	if (inNumSamples) {
			float lo = DEMANDINPUT_A(1, inNumSamples); if(!sc_isnan(lo)) { unit->m_lo = lo; }
			float hi = DEMANDINPUT_A(2, inNumSamples); if(!sc_isnan(hi)) { unit->m_hi = hi; }
			float step = DEMANDINPUT_A(3, inNumSamples); if(!sc_isnan(step)) { unit->m_step = step; }

		if (unit->m_repeats < 0.) {
			float x = DEMANDINPUT_A(0, inNumSamples);
			unit->m_repeats = sc_isnan(x) ? 0.f : floor(x + 0.5f);
			unit->m_val = unit->mParent->mRGen->frand() * (unit->m_hi - unit->m_lo) + unit->m_lo;
		}
		if (unit->m_repeatCount >= unit->m_repeats) {
			OUT0(0) = NAN;
			return;
		}
		unit->m_repeatCount++;
		OUT0(0) = unit->m_val;
		float x = unit->m_val + unit->mParent->mRGen->frand2() * unit->m_step;
		unit->m_val = sc_fold(x, unit->m_lo, unit->m_hi);
	} else {
		unit->m_repeats = -1.f;
		unit->m_repeatCount = 0;
	}
}