Fix a problem of encountering 0 in V calculation

CERN / TIGRE

TIGRE: Tomographic Iterative GPU-based Reconstruction Toolbox

BSD 3-Clause "New" or "Revised" License

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Fix a problem of encountering 0 in V calculation #350

Closed yliu88au closed 2 years ago

yliu88au commented 2 years ago

When using SART (including POCS) based algorithms with unusual geometries (for example, some tomosynthesis situations), V could have 0.0, which causes errors when inverting. This should fix it.