pub fn ceil(arg: &Expression) -> ExpressionExpand description
Ceiling function (round up to nearest integer)
§Mathematical Definition
ceil(x) = ⌈x⌉ = smallest integer ≥ x
§Arguments
arg- Expression to ceil
§Returns
Ceiling expression
§Examples
use mathhook_core::functions::elementary::rounding::ceil;
use mathhook_core::{expr, Expression};
assert_eq!(ceil(&Expression::float(3.2)), Expression::integer(4));
assert_eq!(ceil(&Expression::float(-2.7)), Expression::integer(-2));