source:
LMDZ4/trunk/libf/dyn3d/heavyside.F
@
789
| Last change on this file since 789 was 524, checked in by , 20 years ago | |
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| File size: 260 bytes | |
| Rev | Line | |
|---|---|---|
| [524] | 1 | ! |
| 2 | ! $Header$ | |
| 3 | ! | |
| 4 | c | |
| 5 | c | |
| 6 | FUNCTION heavyside(a) | |
| 7 | ||
| 8 | c ... P. Le Van .... | |
| 9 | c | |
| 10 | IMPLICIT NONE | |
| 11 | ||
| 12 | REAL*8 heavyside , a | |
| 13 | ||
| 14 | IF ( a.LE.0. ) THEN | |
| 15 | heavyside = 0. | |
| 16 | ELSE | |
| 17 | heavyside = 1. | |
| 18 | ENDIF | |
| 19 | ||
| 20 | RETURN | |
| 21 | END | |
| 22 | ||
| 23 |
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