sisnan(3f)
| 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) |