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Replace d2norm with hypot #6

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ivan-pi opened this issue May 23, 2022 · 0 comments
Open

Replace d2norm with hypot #6

ivan-pi opened this issue May 23, 2022 · 0 comments

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@ivan-pi
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ivan-pi commented May 23, 2022

The function d2norm defined here

LSQR/src/lsqr.f90

Line 1164 in e581804

pure function d2norm( a, b )

could be replaced with the intrinsic function hypot which returns a value equal to a processor-dependent approximation to the Euclidean distance, without undue overflow or underflow.
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