public override bool RenderMultiThreaded(Float128 xmin, Float128 xmax, Float128 ymin, Float128 ymax, Float128 step, int maxIterations)
{
Float128 HALF = new Float128(0.5);
//Parallel.For(0, (int)(((ymax - ymin) / step) + .5M), (yp) =>
Parallel.For(0, ymax.SubFast(ymin).Div(step).AddFast(HALF).IntValue(), (yp) =>
{
if (Abort)
{
return;
}
Float128 y = ymin.AddFast(step.Mul(yp));
int xp = 0;
for (Float128 x = xmin; x.SubFast(xmax).Hi < 0; x = x.AddFast(step), xp++)
{
Float128 accumx = x;
Float128 accumy = y;
int iters = 0;
Float128 sqabs = new Float128(0);
do
{
Float128 naccumx = accumx.Sqr().SubFast(accumy.Sqr());
Float128 naccumy = accumx.Mul(accumy).MulPwrOf2(2);
accumx = naccumx.AddFast(x);
accumy = naccumy.AddFast(y);
iters++;
sqabs = accumx.Sqr().AddFast(accumy.Sqr());
} while (sqabs.SubFast(limit).Hi < 0 && iters < maxIterations);
DrawPixel(xp, yp, iters);
}
});
return(!Abort);
}
public override bool RenderSingleThreaded(Float128 xmin, Float128 xmax, Float128 ymin, Float128 ymax, Float128 step, int maxIterations)
{
int yp = 0;
for (Float128 y = ymin; y.SubFast(ymax).Hi < 0 && !Abort; y = y.AddFast(step), yp++)
{
if (Abort)
{
return(false);
}
int xp = 0;
for (Float128 x = xmin; x.SubFast(xmax).Hi < 0; x = x.AddFast(step), xp++)
{
Float128 accumx = x;
Float128 accumy = y;
int iters = 0;
Float128 sqabs = new Float128(0);
do
{
Float128 naccumx = accumx.Sqr().SubFast(accumy.Sqr());
Float128 naccumy = accumx.Mul(accumx).MulPwrOf2(2);
accumx = naccumx.AddFast(x);
accumy = naccumy.AddFast(y);
iters++;
sqabs = accumx.Sqr().AddFast(accumy.Sqr());
} while (sqabs.SubFast(limit).Hi < 0 && iters < maxIterations);
DrawPixel(xp, yp, iters);
}
}
return(true);
}
