test build logo

Author: MikaelSlevinsky

docs/src/index.md

@@ -69,3 +69,18 @@ HypergeometricFunctions.@lanczosratio
 HypergeometricFunctions.G
 HypergeometricFunctions.P
 ```
+
+## Logo
+
+```@example
+using ComplexPhasePortrait, HypergeometricFunctions, Images
+#const ASSETS = joinpath(pkgdir(HypergeometricFunctions), "docs/src/assets")
+#!isdir(ASSETS) && mkdir(ASSETS)
+x = range(-1, stop=3, length=300)
+y = range(-2, stop=2, length=300)
+z = x' .+ im*y
+img = portrait(map(z->pFq((4.25, -10.5), (7.5 + 10.0*im, ), z), z), ctype = "nist")
+#save(joinpath(ASSETS, "logo.png"), img)
+save("assets/logo.png", img)
+nothing # hide
+```