aleat.F

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C     REAL
#include "my_real.inc"
      my_real
     .      FUNCTION aleat()
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "random_c.inc"
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER i,ifirst
      SAVE i,ifirst
      DATA i/0/
      DATA ifirst/0/
C
      IF(ifirst==0.AND.seed/=0.0)THEN
        i = seed*32768 + 32768
        ifirst=1
      ENDIF
C
      i=mod(25173*i+13849,65536)
      aleat=(i-32768.)/32768.
      RETURN
      END