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ceill(3)

NAME

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


LIBRARY

     Math Library (libm, -lm)


SYNOPSIS

     #include <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 ISO/IEC 9899:1990 (``ISO C90'').  The
     ceilf() and ceill() functions conform to ISO/IEC 9899:1999 (``ISO C99'').

FreeBSD 5.4		       January 13, 2005 		   FreeBSD 5.4

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