source: LMDZ4/branches/LMDZ4V5.0-LF/libf/cosp/congvec.h @ 3603

Last change on this file since 3603 was 1279, checked in by Laurent Fairhead, 15 years ago

Merged LMDZ4-dev branch changes r1241:1278 into the trunk
Running trunk and LMDZ4-dev in LMDZOR configuration on local
machine (sequential) and SX8 (4-proc) yields identical results
(restart and restartphy are identical binarily)
Log history from r1241 to r1278 is available by switching to
source:LMDZ4/branches/LMDZ4-dev-20091210

File size: 2.3 KB
Line 
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36
37      do irand = 1, npoints
38          ! Marsaglia CONG algorithm
39          seed(irand)=69069*seed(irand)+1234567
40          ! mod 32 bit overflow
41          seed(irand)=mod(seed(irand),2**30)   
42          ran(irand)=seed(irand)*0.931322574615479E-09
43      enddo
44
45      ! convert to range 0-1 (32 bit only)
46      overflow_32=i2_16*i2_16
47      if ( overflow_32 .le. huge32 ) then
48          do irand = 1, npoints
49              ran(irand)=ran(irand)+1
50              ran(irand)=(ran(irand))-int(ran(irand))
51          enddo
52      endif
53
54
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