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svd - check the size of storage space #881

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Merged
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Oct 25, 2024
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svd - check the size of storage space #881

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6 changes: 5 additions & 1 deletion src/stdlib_linalg_svd.fypp
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,11 @@ submodule(stdlib_linalg) stdlib_linalg_svd
if (info==0) then

!> Prepare working storage
lwork = nint(real(work_dummy(1),kind=${rk}$), kind=ilp)
! Check if the returned working storage space is smaller than the largest value
! allowed by lwork
lwork = merge(nint(real(work_dummy(1),kind=${rk}$), kind=ilp) &
, huge(lwork) &
, real(work_dummy(1),kind=${rk}$) < real(huge(lwork),kind=${rk}$) )
allocate(work(lwork))

!> Compute SVD
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