CEIL(3) BSD Programmer's Manual CEIL(3)
ceil, ceilf, floor, floorf - ceiling and floor
#include <math.h> double ceil(double x); float ceilf(float x); double floor(double x); float floorf(float x);
The ceil() and ceilf() functions return the smallest integral value greater than or equal to x. Conversely, the floor() and floorf() func- tions return the largest integral value less than or equal to x.
abs(3), fabs(3), math(3), nextafter(3), rint(3)
The described functions conform to ISO/IEC 9899:1999 ("ISO C99"). MirOS BSD #10-current September 18, 2011 1
Generated on 2015-04-13 10:26:13 by $MirOS: src/scripts/roff2htm,v 1.80 2015/01/02 13:54:19 tg Exp $
These manual pages and other documentation are copyrighted by their respective writers;
their source is available at our CVSweb,
AnonCVS, and other mirrors. The rest is Copyright © 2002–2015 The MirOS Project, Germany.
This product includes material provided by Thorsten Glaser.
This manual page’s HTML representation is supposed to be valid XHTML/1.1; if not, please send a bug report – diffs preferred.