Function floor

Round a value towards minus infinity. For matrices, the function is evaluated element wise.

Syntax

floor(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

floor(3.2);              // returns number 3
floor(3.8);              // returns number 3
floor(-4.2);             // returns number -5
floor(-4.7);             // returns number -5

var c = complex(3.2, -2.7);
floor(c);                // returns Complex 3 - 3i

floor([3.2, 3.8, -4.7]); // returns Array [3, 3, -5]

See also

ceil, fix, round