.TH "disnan.f" 3 "Wed Oct 15 2014" "Version 3.4.2" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME disnan.f \- .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "logical function \fBdisnan\fP (DIN)" .br .RI "\fI\fBDISNAN\fP tests input for NaN\&. \fP" .in -1c .SH "Function/Subroutine Documentation" .PP .SS "logical function disnan (double precisionDIN)" .PP \fBDISNAN\fP tests input for NaN\&. .PP \fBPurpose: \fP .RS 4 .PP .nf DISNAN returns .TRUE. if its argument is NaN, and .FALSE. otherwise. To be replaced by the Fortran 2003 intrinsic in the future. .fi .PP .RE .PP \fBParameters:\fP .RS 4 \fIDIN\fP .PP .nf DIN is DOUBLE PRECISION Input to test for NaN. .fi .PP .RE .PP \fBAuthor:\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBDate:\fP .RS 4 September 2012 .RE .PP .PP Definition at line 60 of file disnan\&.f\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.