SISNAN(1) | LAPACK auxiliary routine (version 3.2) | SISNAN(1) |
NAME¶
SISNAN - returns .TRUE
SYNOPSIS¶
- LOGICAL FUNCTION
- SISNAN(SIN)
REAL SIN
PURPOSE¶
SISNAN returns .TRUE. if its argument is NaN, and .FALSE. otherwise. To be replaced by the Fortran 2003 intrinsic in the future.
ARGUMENTS¶
- SIN (input) REAL
- Input to test for NaN.
November 2008 | LAPACK auxiliary routine (version 3.2) |