rounddown

Round toward zero with specified precision.

Syntax

v = rounddown(number, num_digits)

Description

Rounds number toward zero. num_digits controls precision: positive = decimal places kept, 0 = integer, negative = round to tens/hundreds.

Examples

rounddown(3.7, 0)      % 3
rounddown(31415, -2)   % 31400

See also

• roundup — Round away from zero with specified precision.
• trunc — Truncate toward zero.
• round — Round to the nearest integer (or to a specified number of digits).