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Last change
on this file since 5914 was
5791,
checked in by aborella, 4 months ago
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Merge with trunk r5789
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Property svn:eol-style set to
native
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Property svn:executable set to
*
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File size:
448 bytes
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| 1 | MODULE lmdz_is_nan |
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| 2 | |
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| 3 | CONTAINS |
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| 4 | |
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| 5 | #ifdef CPP_USE_IEEE_IS_NAN |
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| 6 | |
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| 7 | ELEMENTAL FUNCTION is_nan(x) |
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| 8 | USE, INTRINSIC :: ieee_arithmetic, ONLY : IEEE_IS_NAN |
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| 9 | IMPLICIT NONE |
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| 10 | REAL, INTENT(IN) :: x |
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| 11 | LOGICAL :: is_nan |
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| 12 | |
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| 13 | is_nan=IEEE_IS_NAN(x) |
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| 14 | |
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| 15 | END FUNCTION is_nan |
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| 16 | |
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| 17 | #else |
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| 18 | ELEMENTAL FUNCTION is_nan(x) |
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| 19 | IMPLICIT NONE |
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| 20 | REAL, INTENT(IN) :: x |
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| 21 | LOGICAL :: is_nan |
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| 22 | |
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| 23 | is_nan=isnan(x) |
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| 24 | END FUNCTION is_nan |
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| 25 | #endif |
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| 26 | |
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| 27 | END MODULE lmdz_is_nan |
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