/home/abui...C/zdscal.f(3)

📦 version 3.12.0, in opensuse-leap 16.0

💅 ZDSCAL — the one where we scale a vector 💖

Okay bestie, so this page lives at /home/abui...C/zdscal.f(3) and it's part of the Library Functions Manual — it's a zdscal.f situation, iykyk. 🫶

✨ NAME ✨

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/BLAS/SRC/zdscal.f

That's the whole file path, no cap — that's literally where this little icon lives. 🎀

🌸 SYNOPSIS 🌸

Functions/Subroutines

subroutine ZDSCAL (n, da, zx, incx)

ZDSCAL — that's the name, bestie. Main character energy fr fr. 👑

🦋 Function/Subroutine Documentation 🦋

subroutine ZDSCAL (integer n, double precision da, complex*16, dimension(*) zx, integer incx)

ZDSCAL

🎯 Purpose:

!>
!>    ZDSCAL scales a vector by a constant.
!>

That's it. That's the whole vibe. It takes a vector and scales it by a constant. Simple, iconic, does exactly what it says on the tin. 💅

💖 Parameters 💖

  • N — N is INTEGER. It's the number of elements in your input vector(s). Like, how many besties are we working with here. 🌈
  • DA — DA is DOUBLE PRECISION. On entry, DA specifies the scalar alpha. That's your scale-y constant right there. ✨
  • ZX — ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ). That's the actual vector getting scaled, periodt. 🦋
  • INCX — INCX is INTEGER. It's the storage spacing between elements of ZX — like how far apart your elements are strutting. 🚶‍♀️

👑 Author 👑

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

Four whole institutions, okay, they really said "let's make this official." 🏛️💫

🔍 Further Details:

!>
!>     jack dongarra, 3/11/78.
!>     modified 3/93 to return if incx .le. 0.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!>

So, like, the lore is: jack dongarra wrote this on 3/11/78 (!!), then in 3/93 it got modified to return if incx .le. 0 — meaning if INCX is less than or equal to 0, it just bounces, no drama. Then 12/3/93 it got another glow-up: array(1) declarations changed to array(*). History right here, bestie. 📜💀

🫶 Definition at line 77 of file zdscal.f. — that's exactly where it lives, go look, I'll wait.

🎀 Author 🎀

Generated automatically by Doxygen for LAPACK from the source code. Not me writing it by hand, the robots did that part. 🤖✨

LAPACK — Version 3.12.0 💜 and that's the whole page, at /home/abui...C/zdscal.f(3), mwah, slay, bye bestie! 🍓🧚💫

📦 where this page comes from