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.TH FLOOR 3M  "19 January 1983"
.SH NAME
fabs, floor, ceil \- absolute value, floor, ceiling functions
.SH SYNOPSIS
.nf
.B #include <math.h>
.PP
.B double floor(x)
.B double x;
.PP
.B double ceil(x)
.B double x;
.PP
.B double fabs(x)
.B double x;
.nf
.SH DESCRIPTION
.I Fabs
returns the absolute value
.RI | \|x\| |.
.PP
.I Floor
returns the largest integer not greater than
.IR x .
.PP
.I Ceil
returns the smallest integer not less than
.IR x .
.SH SEE ALSO
abs(3)

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