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Updated gpu/Color.cu so that nan cannot be produced from the color gradient calculation

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James E McClure 2015-06-27 09:54:58 -04:00
parent 1716659387
commit cf914bcc26
1 changed files with 3 additions and 0 deletions
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gpu/Color.cu
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@ -814,6 +814,7 @@ __global__ void dvc_ColorCollideOpt( char *ID, double *disteven, double *distod
//...............................................
//...........Normalize the Color Gradient.................................
C = sqrt(nx*nx+ny*ny+nz*nz);
if (C == 0.0) C=1.0;
nx = nx/C;
ny = ny/C;
nz = nz/C;
@ -1114,6 +1115,7 @@ __global__ void dvc_MassColorCollideD3Q7(char *ID, double *A_even, double *A_od
ny = ColorGrad[N+n];
nz = ColorGrad[2*N+n];
C = sqrt(nx*nx+ny*ny+nz*nz);
if (C == 0.0) C=1.0;
nx = nx/C;
ny = ny/C;
nz = nz/C;
@ -1254,6 +1256,7 @@ __global__ void dvc_DensityStreamD3Q7(char *ID, double *Den, double *Copy, doub
ny = ColorGrad[N+n];
nz = ColorGrad[2*N+n];
C = sqrt(nx*nx+ny*ny+nz*nz);
if (C == 0.0) C=1.0;
nx = nx/C;
ny = ny/C;
nz = nz/C;