func Make(app RenderApplication) BigBaseNumerics {
prec := app.Precision()
planeMin, planeMax := app.BigUserCoords()
left := MakeBigFloat(0.0, prec)
right := MakeBigFloat(0.0, prec)
top := MakeBigFloat(0.0, prec)
bottom := MakeBigFloat(0.0, prec)
left.Set(planeMin.Real())
right.Set(planeMax.Real())
bottom.Set(planeMin.Imag())
top.Set(planeMax.Imag())
planeWidth := MakeBigFloat(0.0, prec)
planeWidth.Sub(&right, &left)
planeHeight := MakeBigFloat(0.0, prec)
planeHeight.Sub(&top, &bottom)
baseConfig := app.BaseConfig()
pictureWidth, pictureHeight := app.PictureDimensions()
uq := UnitQuery{pictureWidth, pictureHeight, &planeWidth, &planeHeight}
rUnit, iUnit := uq.PixelUnits()
fSqrtDiverge := math.Sqrt(baseConfig.DivergeLimit)
bbn := BigBaseNumerics{
BaseNumerics: base.Make(app),
RealMin: left,
RealMax: right,
ImagMin: bottom,
ImagMax: top,
SqrtDivergeLimit: MakeBigFloat(fSqrtDiverge, prec),
IterateLimit: baseConfig.IterateLimit,
Runit: rUnit,
Iunit: iUnit,
Precision: prec,
}
return bbn
}
func Make(app RenderApplication) NativeBaseNumerics {
planeMin, planeMax := app.NativeUserCoords()
planeWidth := real(planeMax) - real(planeMin)
planeHeight := imag(planeMax) - imag(planeMin)
pictureWidth, pictureHeight := app.PictureDimensions()
config := app.BaseConfig()
uq := UnitQuery{pictureWidth, pictureHeight, planeWidth, planeHeight}
rUnit, iUnit := uq.PixelUnits()
return NativeBaseNumerics{
BaseNumerics: base.Make(app),
RealMin: real(planeMin),
RealMax: real(planeMax),
ImagMin: imag(planeMin),
ImagMax: imag(planeMax),
SqrtDivergeLimit: math.Sqrt(config.DivergeLimit),
IterateLimit: config.IterateLimit,
Runit: rUnit,
Iunit: iUnit,
}
}