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cblas_dnrm2(_:_:_:)

Computes the L2 norm (Euclidian length) of a vector (double precision).

Declaration

func cblas_dnrm2(_ N: __LAPACK_int, _ X: UnsafePointer<Double>?, _ INCX: __LAPACK_int) -> Double

Parameters

  • N:

    Length of vector X.

  • X:

    Vector X.

  • INCX:

    Stride within X. For example, if incX is 7, every 7th element is used.

Discussion

See Also

Double-precision float matrix functions