#include <cmath>float ceil(float num);double ceil(double num); long double ceil(long double num); 

The ceil( ) function returns the smallest integer (represented as a floating-point value) not less than num. For example, given 1.02, ceil( ) would return 2.0. Given –1.02, ceil( ) would return –1.

Related functions are floor( ) and fmod( ).

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539 © 2008-2017.
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