BLAS/SRC/zaxpy.f(3)

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💖 BLAS/SRC/zaxpy.f(3) — Library Functions Manual 💖

🌸 NAME 🌸

BLAS/SRC/zaxpy.f

✨ SYNOPSIS ✨

Functions/Subroutines 🎀

  • subroutine zaxpy (n, za, zx, incx, zy, incy) — the one and only ZAXPY, bestie 💅

🦋 Function/Subroutine Documentation 🦋

subroutine zaxpy (integer n, complex*16 za, complex*16, dimension(*) zx, integer incx, complex*16, dimension(*) zy, integer incy)

ZAXPY

🌈 Purpose 🌈

Okay so this is the vibe: ZAXPY does a constant times a vector plus a vector. Literally the whole purpose, no cap. 💖

🍓 Parameters 🍓

  • N — N is INTEGER; number of elements in input vector(s).
  • ZA — ZA is COMPLEX*16; on entry, ZA specifies the scalar alpha.
  • ZX — ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ).
  • INCX — INCX is INTEGER; storage spacing between elements of ZX.
  • ZY — ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) ).
  • INCY — INCY is INTEGER; storage spacing between elements of ZY.

👑 Author 👑

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

🔥 Further Details 🔥

  • jack dongarra, 3/11/78.
  • modified 12/3/93, array(1) declarations changed to array(*).

Definition at line 87 of file zaxpy.f.

💜 Author 💜

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Sign-off: the footer says the source/version is LAPACK, Version 3.12.0, and the page is BLAS/SRC/zaxpy.f(3). There’s no date in that footer line, so I’m not inventing one — periodt. 💖✨🫶

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