icopy.f
SUBROUTINE ICOPY (N, IX, INCX, IY, INCY)
C***BEGIN PROLOGUE ICOPY
C***PURPOSE Copy a vector.
C***LIBRARY SLATEC (BLAS)
C***CATEGORY D1A5
C***TYPE INTEGER (ICOPY-S, DCOPY-D, CCOPY-C, ICOPY-I)
C***KEYWORDS BLAS, COPY, LINEAR ALGEBRA, VECTOR
C***AUTHOR Boland, W. Robert, (LANL)
C Clemens, Reginald, (PLK)
C***DESCRIPTION
C
C B L A S Subprogram
C Description of Parameters
C
C --Input--
C N number of elements in input vector(s)
C IX integer vector with N elements
C INCX storage spacing between elements of IX
C IY integer vector with N elements
C INCY storage spacing between elements of IY
C
C --Output--
C IY copy of vector IX (unchanged if N .LE. 0)
C
C Copy integer IX to integer IY.
C For I = 0 to N-1, copy IX(LX+I*INCX) to IY(LY+I*INCY),
C where LX = 1 if INCX .GE. 0, else LX = 1+(1-N)*INCX, and LY is
C defined in a similar way using INCY.
C
C***REFERENCES C. L. Lawson, R. J. Hanson, D. R. Kincaid and F. T.
C Krogh, Basic linear algebra subprograms for Fortran
C usage, Algorithm No. 539, Transactions on Mathematical
C Software 5, 3 (September 1979), pp. 308-323.
C***ROUTINES CALLED (NONE)
C***REVISION HISTORY (YYMMDD)
C 930201 DATE WRITTEN
C***END PROLOGUE ICOPY