random_seed man page on IRIX

random_seed man page on IRIX

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RANDOM_SEED(3I)					       Last changed: 1-6-98

NAME
     RANDOM_SEED - Restarts or queries the pseudorandom number generator

SYNOPSIS
     CALL RANDOM_SEED ([[SIZE=]size] [,[PUT=]put] [,[GET=]get])

IMPLEMENTATION
     UNICOS, UNICOS/mk, and IRIX systems

STANDARDS
     Fortran 90

DESCRIPTION
     The RANDOM_SEED intrinsic subroutine restarts or queries the
     pseudorandom number generator used by RANDOM_NUMBER.  It accepts the
     following arguments (note that there must be exactly one argument or
     no arguments present):

     size    Must be scalar and of type integer.  It is an output argument.
	     It is set to the number N of integers that the processor uses
	     to hold the value of the seed.

     put     Must be an integer array of rank one and size >= N.  It is an
	     input argument.  It is used to set the seed value.

     get     Must be an integer array of rank one and size >= N.  It is an
	     output argument.  It is set to the current value of the seed.

     The name of this intrinsic cannot be passed as an argument.

EXAMPLES
	  CALL RANDOM_SEED			    ! initization of seed
	  CALL RANDOM_SEED(SIZE = K)		    ! Sets K = N
	  CALL RANDOM_SEED(PUT = SEEDARRAY(1:K))    ! Set user seed
	  CALL RANDOM_SEED(GET = OLDSEED(1:K))	    ! Get current seed

SEE ALSO
     RANDOM_NUMBER(3I)

     Intrinsic Procedures Reference Manual, publication SR-2138, for the
     printed version of this man page.

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