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CEIL(3) BSD Library Functions Manual CEIL(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"). BSD January 13, 2005 BSD
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS
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