ZSCAL(3)

💅 NAME

Okay bestie, this is the zscal.f(3) page from the LAPACK Library Functions Manual — and here's the full path, exactly:

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

✨ SYNOPSIS

🧚 Functions/Subroutines

• subroutine ZSCAL (n, za, zx, incx) — ZSCAL

🫶 Function/Subroutine Documentation

Here's the signature, no cap:

   subroutine ZSCAL (integer n, complex*16 za, complex*16, dimension(*) zx,
       integer incx)

And the name again: ZSCAL.

🌸 Purpose:

Literal purpose block, untouched:

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

So yeah: it scales a vector by a constant. That's the whole assignment. Iconic.

🎀 Parameters

• N — the integer situation:

           !>          N is INTEGER
           !>         number of elements in input vector(s)
           !>

• ZA — the scalar alpha:

           !>          ZA is COMPLEX*16
           !>           On entry, ZA specifies the scalar alpha.
           !>

• ZX — the vector array:

           !>          ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
           !>

• INCX — storage spacing between elements of ZX:

           !>          INCX is INTEGER
           !>         storage spacing between elements of ZX
           !>

👑 Author

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

🔥 Further Details:

Literal 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(*)
           !>

Definition at line 77 of file zscal.f.

👑 Author

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