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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2014-10-02 13:50:59 +0200 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2014-10-02 13:51:54 +0200 |
| commit | 12fd6925502d3ead9b73498f44f9b2f9abbc9bea (patch) | |
| tree | 10970caff57e8f6b127dc223f73270eb3a490dc8 /cuda/2d/arith.cu | |
| parent | 8188b0697751d7c7ec6fe3069d0fceb50ebd0c9e (diff) | |
| download | astra-12fd6925502d3ead9b73498f44f9b2f9abbc9bea.tar.gz astra-12fd6925502d3ead9b73498f44f9b2f9abbc9bea.tar.bz2 astra-12fd6925502d3ead9b73498f44f9b2f9abbc9bea.tar.xz astra-12fd6925502d3ead9b73498f44f9b2f9abbc9bea.zip | |
Add CUDA SIRT::doSlabCorrections() function
This function optionally compensates for effectively infinitely large slab-like
objects of finite thickness 1.
Diffstat (limited to 'cuda/2d/arith.cu')
| -rw-r--r-- | cuda/2d/arith.cu | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/cuda/2d/arith.cu b/cuda/2d/arith.cu index 04d4de9..93b1ee0 100644 --- a/cuda/2d/arith.cu +++ b/cuda/2d/arith.cu @@ -68,6 +68,14 @@ struct opMul { out *= in; } }; +struct opDiv { + __device__ void operator()(float& out, const float in) { + if (in > 0.000001f) // out is assumed to be positive + out /= in; + else + out = 0.0f; + } +}; struct opMul2 { __device__ void operator()(float& out, const float in1, const float in2) { out *= in1 * in2; @@ -682,6 +690,7 @@ INST_DtoD(opDividedBy) INST_toD(opInvert) INST_FtoD(opSet) INST_FtoD(opMul) +INST_DtoD(opDiv) INST_DFtoD(opMulMask) INST_FtoD(opAdd) INST_FtoD(opClampMin) |