rm load_model and use constructor directly

Author: zuhengxu

example/SyntheticTargets.jl

@@ -9,21 +9,6 @@ include("targets/cross.jl")
 include("targets/neal_funnel.jl")
 include("targets/warped_gaussian.jl")
 
-
-function load_model(name::String)
-    if name == "Banana"
-        return Banana(2, 1.0, 10.0)
-    elseif name == "Cross"
-        return Cross()
-    elseif name == "Funnel"
-        return Funnel(2)
-    elseif name == "WarpedGaussian"
-        return WarpedGauss()
-    else
-        error("Model not defined")
-    end
-end
-
 function visualize(p::ContinuousMultivariateDistribution, samples=rand(p, 1000))
     xrange = range(minimum(samples[1, :]) - 1, maximum(samples[1, :]) + 1; length=100)
     yrange = range(minimum(samples[2, :]) - 1, maximum(samples[2, :]) + 1; length=100)

example/demo_planar_flow.jl

@@ -13,7 +13,7 @@ T = Float64
 ######################################
 # 2d Banana as the target distribution
 ######################################
-target = load_model("Banana")
+target = Banana(2, 1.0, 10.0)
 logp = Base.Fix1(logpdf, target)
 
 

example/demo_radial_flow.jl

@@ -13,7 +13,7 @@ T = Float64
 ######################################
 # get target logp
 ######################################
-target = load_model("WarpedGaussian")
+target = WarpedGauss()
 logp = Base.Fix1(logpdf, target)
 
 ######################################