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LAPACK-3

man page of LAPACK-3

LAPACK-3: multiplies an n-element complex vector x by the real scalar 1/a

NAME
LAPACK-3 - multiplies an n-element complex vector x by the real scalar 1/a
SYNOPSIS
SUBROUTINE ZDRSCL( N, SA, SX, INCX ) INTEGER INCX, N DOUBLE PRECISION SA COMPLEX*16 SX( * )

PURPOSE

ZDRSCL multiplies an n-element complex vector x by the real scalar 1/a. This is done without overflow or underflow as long as the final result x/a does not overflow or underflow.

ARGUMENTS

N (input) INTEGER The number of components of the vector x. SA (input) DOUBLE PRECISION The scalar a which is used to divide each component of x. SA must be >= 0, or the subroutine will divide by zero. SX (input/output) COMPLEX*16 array, dimension (1+(N-1)*abs(INCX)) The n-element vector x. INCX (input) INTEGER The increment between successive values of the vector SX. > 0: SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i), 1< i<= n LAPACK auxiliary routine (versionMarch 2011 LAPACK-3(3)
 
 
 

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