add debug mode

Author: mileslucas

test/runtests.jl

@@ -6,6 +6,8 @@ using StableRNGs
 using StaticArrays
 using Test
 
+ChainRulesCore.debug_mode() = true
+
 rng = StableRNG(122)
 
 function test_model_interface(K)
@@ -95,13 +97,14 @@ end
     @test Normal(fwhm=10) === Gaussian(fwhm=10)
 
     @testset "gradients" begin
-        psf_iso = Gaussian(fwhm=10)
+        # have to make sure PSFs are all floating point so tangents don't have type issues
+        psf_iso = Gaussian(fwhm=10.0, pos=zeros(2))
         psf_tang = Tangent{Gaussian}(fwhm=rand(rng), pos=rand(rng, 2), amp=rand(rng), indices=ZeroTangent())
-        point = [1, 2]
+        point = Float64[1, 2]
         test_frule(psf_iso ⊢ psf_tang, point)
         test_rrule(psf_iso ⊢ psf_tang, point)
 
-        psf_diag = Gaussian(fwhm=[10, 8])
+        psf_diag = Gaussian(fwhm=Float64[10, 8], pos=zeros(2))
         psf_tang = Tangent{Gaussian}(fwhm=rand(rng, 2), pos=rand(rng, 2), amp=rand(rng), indices=ZeroTangent())
         test_frule(psf_diag ⊢ psf_tang, point)
         test_rrule(psf_diag ⊢ psf_tang, point)