name change to 1D gaussian

src/utils.jl

@@ -2,17 +2,17 @@
 @inline function rbf(x, z, h)
     # exp(-((x - z)/h)^2)
     y = (x - z) / h
-    negative_exp_square(y)
+    gaussian1D(y)
 end
 
-@inline negative_exp_square(x) = exp(-x^2)
+@inline gaussian1D(x) = exp(-x^2)
 
-function CRC.rrule(::typeof(negative_exp_square), x)
+function CRC.rrule(::typeof(gaussian1D), x)
     T = eltype(x)
-    y = negative_exp_square(x)
-    ∇negative_exp_square(ȳ) = -T(2) * x * y * ȳ
+    y = gaussian1D(x)
+    ∇gaussian1D(ȳ) = -T(2) * x * y * ȳ
 
-    return y, ∇negative_exp_square
+    return y, ∇gaussian1D
 end
 
 # from https://github.com/LuxDL/Lux.jl/pull/627