proc.5: Document 'subset' mount option.

[thirdparty/man-pages.git] / man3 / fdim.3

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-.\" Copyright 2003 Walter Harms, Andries Brouwer
-.\" Distributed under GPL.
-.\"
-.TH FDIM 3 2003-07-24 "" "math routines"
-.SH NAME
-fdim, fdimf, fdiml \- positive difference
-.SH SYNOPSIS
-.B #include <math.h>
-.sp
-.BI "double fdim(double " x ", double " y );
-.br
-.BI "float fdimf(float " x ", float " y );
-.br
-.BI "long double fdiml(long double " x ", long double " y );
-.sp
-Compile with -std=c99; link with \-lm.
-.SH DESCRIPTION
-These functions return max(\fIx\fP-\fIy\fP,0).
-If
-.I x
-or
-.I y
-or both are NaN, Nan is returned.
-.SH "CONFORMING TO"
-C99
-.SH "SEE ALSO"
-.BR fmax (3)