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