dscal.f - Man Page
Synopsis
Functions/Subroutines
subroutine dscal (N, DA, DX, INCX)
DSCAL
Function/Subroutine Documentation
subroutine dscal (integer N, double precision DA, double precision, dimension(*) DX, integer INCX)
DSCAL
Purpose:
DSCAL scales a vector by a constant. uses unrolled loops for increment equal to 1.
- Parameters:
N
N is INTEGER number of elements in input vector(s)
DA
DA is DOUBLE PRECISION On entry, DA specifies the scalar alpha.
DX
DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of DX
- Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
- Date:
November 2017
Further Details:
jack dongarra, linpack, 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 81 of file dscal.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Referenced By
The man page dscal(3) is an alias of dscal.f(3).
Tue Nov 14 2017 Version 3.8.0 LAPACK