Function ceil
Round a value towards plus infinity
If x
is complex, both real and imaginary part are rounded towards plus infinity.
For matrices, the function is evaluated element wise.
Syntax
ceil(x)
Parameters
Parameter |
Type |
Description |
x |
number | BigNumber | Fraction | Complex | Array | Matrix |
Number to be rounded |
Returns
Type |
Description |
number | BigNumber | Fraction | Complex | Array | Matrix |
Rounded value |
Examples
ceil(3.2); // returns number 4
ceil(3.8); // returns number 4
ceil(-4.2); // returns number -4
ceil(-4.7); // returns number -4
var c = complex(3.2, -2.7);
ceil(c); // returns Complex 4 - 2i
ceil([3.2, 3.8, -4.7]); // returns Array [4, 4, -4]
See also
floor,
fix,
round