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Man Pages


Manual Reference Pages  -  CEIL (3)

NAME

ceil, ceilf, ceill - smallest integral value greater than or equal to x

CONTENTS

Library
Synopsis
Description
See Also
Standards

LIBRARY


.Lb libm

SYNOPSIS


.In math.h double ceil double x float ceilf float x long double ceill long double x

DESCRIPTION

The ceil, ceilf and ceill functions return the smallest integral value greater than or equal to x, expressed as a floating-point number.

SEE ALSO

abs(3), fabs(3), floor(3), ieee(3), math(3), rint(3), round(3), trunc(3)

STANDARDS

The ceil function conforms to -isoC. The ceilf and ceill functions conform to -isoC-99.
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