blob: 4f96ddba5078243c05e08e12b7bf46acca3f63d5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
REAL FUNCTION sla_RANDOM (XSEED)
*+
* - - - - - - -
* R A N D O M
* - - - - - - -
*
* Generate pseudo-random real number in the range 0 <= X < 1.
*
* (single precision)
*
* !!! Microsoft Fortran dependent !!!
*
* Given (but used first time only):
* XSEED real an arbitrary real number
*
* The value returned is a pseudo-random number such that
* 0 <= sla_RANDOM < 1.
*
* Called: RANDOM (Microsoft run-time library)
*
* P.T.Wallace Starlink 28 February 1993
*
*+
IMPLICIT NONE
REAL XSEED
REAL X
LOGICAL FIRST
SAVE FIRST
DATA FIRST /.TRUE./
IF (FIRST) THEN
CALL SEED(NINT(MOD(XSEED*1.234E7,32E3))) ! Microsoft Fortran
FIRST=.FALSE.
END IF
CALL RANDOM(X) ! Microsoft Fortran
sla_RANDOM=X
END
|
