2D and 3D gradients and divergences and potential vortex example#28

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rouson wants to merge 34 commits into

BerkeleyLab:mainfrom

rouson:scalar-2D-3D-gradient

Commits on May 20, 2026

chore(tensors_1D_m): rm superfluous use statement

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chore(grad): rm redundant operator construction

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chore(div): rm redundant operator construction

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feat(differential_ops): mk constructors elemental

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refac(scalar_1D): rename & expose scalar grid calc

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refac(vector_1D): rename & expose vector grid calc

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feat: add {tensor,scalar,vector}_2D_t types

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feat(tensor_2D): .grad.scalar_2D_t->gradient_2D_t

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feat(tensor_2D): mk values_ component 6D

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chore: reintroduce only clause in formal_m

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test(scalar_2D): more stringent test

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feat(example): save & plot scalar surface

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feat: vector_1D const construct, vector_2D grid

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feat(3D): scalar, vector, & gradient

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fix(vector_2D%to_file()): trim trailing blanks

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feat(example): refactor/enhance scalar/vector plot

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chore(tensors_1D_m): rm unused associate name

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fix(lfortran): work around integer-type-spec

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Revert "fix(lfortran): work around integer-type-spec"

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chore(.gitignore): add scratch dir

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Commits on May 25, 2026

Commits on May 29, 2026