R Under development (unstable) (2024-07-10 r86888 ucrt) -- "Unsuffered Consequences"
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> if(FALSE)
+ {  
+   require(fitdistrplus)
+   
+   x <- rgamma(1e3, shape=3/2, rate= 1/2)
+   
+   initval <- unlist(fitdistrplus:::startargdefault(x, "gamma"))
+   
+   fitdistrplus:::fitbench(x, "gamma", "mle")
+   
+   fitdistrplus:::fitbench(x, "gamma", "mle", lower=0)
+   
+   
+   # grgam(1:2, x)
+   # grgamlnl(x[1], shape=1, rate=2)
+   # grgamlnl(x[1:2], shape=1, rate=2)
+   
+   fitdistrplus:::fitbench(x, "gamma", "mle", grad=fitdistrplus:::grlnlgamma)
+   
+   fitdistrplus:::fitbench(x, "gamma", "mle", grad=fitdistrplus:::grlnlgamma, lower=0)
+   
+   #mledist(x, "gamma", grad=grgam, lower=0, optim.method = "CG")
+   #mledist(x, "gamma", grad=grgam, lower=0, optim.method = "BFGS")
+   
+ }
> 
> proc.time()
   user  system elapsed 
   0.23    0.03    0.25