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NAME
     sscal - Compute y := alpha * y

SYNOPSIS
     SUBROUTINE SSCAL (N, ALPHA, Y, INCY )

     REAL    ALPHA

     INTEGER INCY, N

     REAL    Y( * )



     #include <sunperf.h>

     void sscal(int n, float sa, float *sx, int incx) ;

PURPOSE
     SSCAL - Compute y := alpha * y where alpha is a scalar and y
     is an n-vector.


PARAMETERS
     N         - INTEGER.
               On entry, N specifies the number  of  elements  in
               the  vector.   N must be at least one for the sub-
               routine to have any visible effect.  Unchanged  on
               exit.

     ALPHA     - REAL.
               On  entry,  ALPHA  specifies  the  scalar   alpha.
               Unchanged on exit.

     Y         - REAL array of DIMENSION at least
               ( 1 + ( m - 1 )*abs( INCY  )  ).   On  entry,  the
               incremented  array Y must contain the vector y. On
               exit, Y is overwritten by the updated vector y.

     INCY      - INTEGER.
               On entry, INCY specifies  the  increment  for  the
               elements  of  Y. INCY must not be zero.  Unchanged
               on exit.

Партнёры:

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