CEIL(3) Linux Programmer's Manual CEIL(3)
NAME
ceil - smallest integral value not less than xSYNOPSIS
#include <math.h> double ceil (double x);DESCRIPTION
The ceil() function rounds x upwards to the nearest inte- ger, returning that value as a double.CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
June 6, 1993 1
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