Implement LWG4302; fix #320 #321
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* Remove vector_sum_of_squares from the public interface. This implements the proposed fix for LWG4302, that is now in the Working Draft for C++26. * Fix Issue kokkos#320. If the "init" argument of vector_two_norm is nonzero, return the square root of the ((square of init) and the (sum of squares of the absolute values of the elements of x)).
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I've actually implemented a proposed fix for an LWG issue that I just filed, to use the square of the absolute value of |
youyu3
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Jan 29, 2026
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The implementation looks good to me. Thanks.
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Remove
vector_sum_of_squaresfrom the public interface. This implements the proposed fix for LWG4302, that is now in the Working Draft for C++26.Fix Issue [linalg] Discrepancy between [linalg.algs.blas1.nrm2] and reference implementation #320. Make
vector_two_normreturn the square root of the ((square of the absolute value ofinit) and the (sum of squares of the absolute values of the elements ofx)).