?? rand.f
字號:
real*8 function rand( seed )
integer*4 seed
! Random number generator; Uniform dist. in [0,1)
! Input
! seed Integer seed (DO NOT USE A SEED OF ZERO)
! Output
! rand Random number uniformly distributed in [0,1)
static a,m
real*8 a,m,temp
data a,m/16807.0, 2147483647.0/
temp = a*seed
seed = dmod(temp,m)
rand = seed/m
return
end
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