func (factory *regionNumericsFactory) Build() region.RegionNumerics {
switch factory.desc.NumericsStrategy {
case config.NativeNumericsMode:
app := makeNativeRegionFacade(factory.desc, factory.baseApp, factory.provider)
nativeApp := nativeregion.Make(app)
return &nativeApp
case config.BigFloatNumericsMode:
app := makeBigRegionFacade(factory.desc, factory.baseApp, factory.provider)
bigApp := bigregion.Make(app)
return &bigApp
default:
log.Panic("Invalid NumericsStrategy", factory.desc.NumericsStrategy)
return nil
}
}
func TestSampleDivs(t *testing.T) {
const pWidth = 100
const pHeight = 100
const iLimit = 255
const dLimit = 1.42
const maxRegSz = 10
const samples = 100
const natMin = complex(-2.0, -2.0)
const natMax = complex(2.0, 2.0)
const prec = 53
bigMin := bigbase.MakeBigComplex(real(natMin), imag(natMax), prec)
bigMax := bigbase.MakeBigComplex(real(natMax), imag(natMax), prec)
mockBase := base.MockRenderApplication{}
mockBase.PictureWidth = pWidth
mockBase.PictureHeight = pHeight
mockBase.Base.IterateLimit = iLimit
mockBase.Base.DivergeLimit = dLimit
mockBase.Base.FixAspect = true
regConfig := region.RegionConfig{}
regConfig.CollapseSize = maxRegSz
regConfig.Samples = samples
bigCoords := bigbase.MockBigCoordProvider{}
bigCoords.UserMin = bigMin
bigCoords.UserMax = bigMax
bigCoords.Prec = prec
// This business is over complicated
bigProvider := region.MockRegionProvider{}
bigProvider.RegConfig = regConfig
bigProvider.RegionFactory = fRegFactory(func() region.RegionNumerics {
app := &MockRenderApplication{}
app.MockRegionProvider = bigProvider
app.MockRenderApplication = mockBase
app.MockBigCoordProvider = bigCoords
bignums := Make(app)
return &bignums
})
nativeCoords := nativebase.MockNativeCoordProvider{}
nativeCoords.PlaneMin = natMin
nativeCoords.PlaneMax = natMax
nativeProvider := region.MockRegionProvider{}
nativeProvider.RegConfig = regConfig
nativeProvider.RegionFactory = fRegFactory(func() region.RegionNumerics {
app := &nativeregion.MockRenderApplication{}
app.MockNativeCoordProvider = nativeCoords
app.MockRegionProvider = nativeProvider
app.MockRenderApplication = mockBase
natnums := nativeregion.Make(app)
return &natnums
})
bReg := bigProvider.RegionFactory.Build()
nReg := bigProvider.RegionFactory.Build()
bich, _ := bReg.SampleDivs()
nich, _ := nReg.SampleDivs()
bs := slurp(bich)
ns := slurp(nich)
for i, bInvDiv := range bs {
nInvDiv := ns[i]
if bInvDiv != nInvDiv {
t.Error("Mismatch InvDiv at sample ", i,
"native was", nInvDiv, "but big was", bInvDiv)
}
}
}
