Merge pull request #122 from FourierFlows/IncreaseCoverage

Increase coverage of diffusion.jl

Author: navidcy

test/test_diagnostics.jl

@@ -40,7 +40,7 @@ function test_basicdiagnostics(dev::Device=CPU(); nx=6, Lx=2π, kappa=1e-2)
   prob = Problem(nx=nx, Lx=Lx, kappa=kappa, dt=dt, stepper="ETDRK4", dev=dev)
   g = prob.grid
 
-  c0 = @. sin(k1*g.x)
+  c0(x) = sin(k1*x)
   set_c!(prob, c0)
 
   getsol(prob) = prob.sol