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|
logical function | disnan (DIN) |
| DISNAN tests input for NaN. More...
|
|
logical function disnan |
( |
double precision |
DIN | ) |
|
DISNAN tests input for NaN.
Download DISNAN + dependencies
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- Purpose:
DISNAN returns .TRUE. if its argument is NaN, and .FALSE.
otherwise. To be replaced by the Fortran 2003 intrinsic in the
future.
- Parameters
-
[in] | DIN | DIN is DOUBLE PRECISION
Input to test for NaN. |
- Author
- Univ. of Tennessee
-
Univ. of California Berkeley
-
Univ. of Colorado Denver
-
NAG Ltd.
- Date
- September 2012
Definition at line 60 of file disnan.f.