Function Reference
— Function File: idivide (x, y, op)

Integer division with different round rules. The standard behavior of the an integer division such as a ./ b is to round the result to the nearest integer. This is not always the desired behavior and idivide permits integer element-by-element division to be performed with different treatment for the fractional part of the division as determined by the op flag. op is a string with one of the values:

"fix"
Calculate a ./ b with the fractional part rounded towards zero.
"round"
Calculate a ./ b with the fractional part rounded towards the nearest integer.
"floor"
Calculate a ./ b with the fractional part rounded downwards.
"ceil"
Calculate a ./ b with the fractional part rounded upwards.

If op is not given it is assumed that it is "fix". An example demonstrating these rounding rules is

          idivide (int8 ([-3, 3]), int8 (4), "fix")
           int8 ([0, 0])
          idivide (int8 ([-3, 3]), int8 (4), "round")
           int8 ([-1, 1])
          idivide (int8 ([-3, 3]), int8 (4), "ceil")
           int8 ([0, 1])
          idivide (int8 ([-3, 3]), int8 (4), "floor")
           int8 ([-1, 0])

See also: ldivide rdivide