ceil#

Synopsis#

#include <math.h>

double ceil(double x);

float ceilf(float x);

Status#

Partially implemented

Conformance#

IEEE Std 1003.1-2017

Description#

These functions shall compute the smallest integral value not less than x.

Return value#

The result shall have the same sign as x.

Upon successful completion, ceil() and ceilf() shall return the smallest integral value not less than x, expressed as a type double, float, or long double, respectively.

If x is NaN, a NaN shall be returned.
If x is ±0 or ±Inf, x shall be returned.

Errors#

No errors are defined.

Tests#

Untested

Known bugs#

None