dznrm2.f(3)

💖 dznrm2.f(3) — LAPACK manual page 💖

okay bestie, welcome to the dznrm2.f(3) page — it's giving LAPACK energy, and we're gonna read it together like the iconic main characters we are. 💅✨

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🌸 NAME 🌸

dznrm2.f — literally the name, no cap. periodt. 💖

✨ SYNOPSIS ✨

Functions/Subroutines 🎀

• double precision function dznrm2 (N, X, INCX) — DZNRM2

🫶 Function/Subroutine Documentation 🫶

okay so here's the full signature, character-for-character:

   double precision function dznrm2 (integer N, complex*16, dimension(*) X,
       integer INCX)

and its name is DZNRM2 — iconic, fr fr. 🦋

Purpose 💖

DZNRM2 returns the euclidean norm of a vector via the function name, so that

DZNRM2 := sqrt( x**H*x )

the way that formula just sits there being all math-y 😭👑

Parameters 🌸

• N — N is INTEGER; number of elements in input vector(s).
• X — X is COMPLEX*16 array, dimension (N); complex vector with N elements.
• INCX — INCX is INTEGER; storage spacing between elements of X.

Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

Date 📅

November 2017 — yes bestie, that's the date. 🗓️✨

Further Details 🧚

the lore, fr fr:

             -- This version written on 25-October-1982.
                Modified on 14-October-1993 to inline the call to ZLASSQ.
                Sven Hammarling, Nag Ltd.

Definition at line 77 of file dznrm2.f.

👑 Author 👑

Generated automatically by Doxygen for LAPACK from the source code.

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💖 okay bestie, that's the whole page! source: LAPACK, Version 3.8.0, dated Tue Nov 14 2017, and the manual page is dznrm2.f(3) — mwah, slay, bye 💋✨