.TH "SRC/disnan.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
SRC/disnan.f
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "logical function \fBdisnan\fP (din)"
.br
.RI "\fBDISNAN\fP tests input for NaN\&. "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "logical function disnan (double precision, intent(in) din)"

.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

.PP
Definition at line \fB58\fP of file \fBdisnan\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.