revert tiny changes

Author: magpowell

src_cuda_rt/Raytracer.cu

@@ -35,7 +35,8 @@ namespace
     {
         cuda_safe_call(cudaMemcpy(cpu_data, gpu_data, length*sizeof(T), cudaMemcpyDeviceToHost));
     }
-    
+
+
     __global__
     void create_knull_grid(
             const Vector<int> grid_cells, const Float k_ext_null_min,
@@ -164,6 +165,7 @@ namespace
         }
     }
 
+
     __global__
     void count_to_flux_2d(
             const Vector<int> grid_cells, const Float photons_per_col, const Float toa_src,
@@ -294,7 +296,6 @@ void Raytracer::trace_rays(
             tau_aeros.ptr(), ssa_aeros.ptr(), asy_aeros.ptr(),
             k_ext.ptr(), scat_asy.ptr());
 
-
     // create k_null_grid
     const int block_kn_x = 8;
     const int block_kn_y = 8;

src_test/test_rt_lite.cu

@@ -411,6 +411,7 @@ void solve_radiation(int argc, char** argv)
 
             cudaEventRecord(start, 0);
             // do something.
+            
 	        raytracer.trace_rays(
                    0,
                    switch_independent_column,