source:
LMDZ5/branches/LMDZ5-DOFOCO/tools/Max_diff_nc_with_lib/NR_util/lower_triangle.f90
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2955
| Last change on this file since 2955 was 1765, checked in by , 11 years ago | |
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| File size: 450 bytes | |
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| 1 | module lower_triangle_m |
| 2 | |
| 3 | implicit none |
| 4 | |
| 5 | contains |
| 6 | |
| 7 | FUNCTION lower_triangle(j,k,extra) |
| 8 | use arth_m, only: arth |
| 9 | use outerdiff_m, only: outerdiff |
| 10 | INTEGER, INTENT(IN) :: j,k |
| 11 | INTEGER, OPTIONAL, INTENT(IN) :: extra |
| 12 | LOGICAL, DIMENSION(j,k) :: lower_triangle |
| 13 | INTEGER :: n |
| 14 | n=0 |
| 15 | if (present(extra)) n=extra |
| 16 | lower_triangle=(outerdiff(arth(1,1,j),arth(1,1,k)) > -n) |
| 17 | END FUNCTION lower_triangle |
| 18 | |
| 19 | end module lower_triangle_m |
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