Developer's Daily | Unix by Example |
main | java | perl | unix | dev directory | web log |
floor ? largest integral value not greater than x |
#include <math.h> double floor(double x); |
The floor() function rounds x downwards to the nearest integer, returning that value as a double. |
SVID 3, POSIX, BSD 4.3, ISO 9899 |
abs(3), fabs(3), ceil(3), rint(3) |