BLAS/SRC/caxpy.f(3)

πŸ’– BLAS/SRC/caxpy.f πŸ’–

okay bestie, welcome to the LAPACK manual page for BLAS/SRC/caxpy.f β€” yes that's the whole name, no notes, it's giving "I live in a directory and I'm proud of it" 🫢


✨ NAME ✨

BLAS/SRC/caxpy.f β€” that's it, that's the name, she's literally just her file path and honestly? iconic. πŸ‘‘


🌸 SYNOPSIS 🌸

Functions/Subroutines

subroutine caxpy (n, ca, cx, incx, cy, incy)

CAXPY


πŸ¦‹ Function/Subroutine Documentation πŸ¦‹

subroutine caxpy (integer n, complex ca, complex, dimension() cx, integer incx, complex, dimension() cy, integer incy)

CAXPY

πŸŽ€ Purpose:

CAXPY constant times a vector plus a vector.

not me being a whole BLAS routine whose entire personality is y := a*x + y 😭 she's simple, she's fast, she slays.

πŸ’… Parameters

  • N N is INTEGER number of elements in input vector(s)
  • CA CA is COMPLEX On entry, CA specifies the scalar alpha.
  • CX CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
  • INCX INCX is INTEGER storage spacing between elements of CX
  • CY CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
  • INCY INCY is INTEGER storage spacing between elements of CY

🫢 Author

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

⭐ Further Details:

jack dongarra, linpack, 3/11/78.
modified 12/3/93, array(1) declarations changed to array(*)
ok the 3/11/78 origin story?? grandma of numerical linear algebra fr fr. and then 12/3/93 she got a lil glow-up: array(1) declarations changed to array(*). we love a modernisation arc ✨

Definition at line 87 of file caxpy.f.


πŸ‘‘ Author

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and that's the whole page bestie!! no cap, you now know caxpy better than most people know their own passwords πŸ’€πŸ’–

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