Modulo & negative dividends

[KittyGiraudel]

Bug with module operator & negative dividends

input.scss

.foo {
  test-01: +1 % +4;
  test-02: +1 % -4;
  test-03: -1 % +4;
  test-04: -1 % -4;
}

libsass 3.3.6

.foo {
  test-01: 1;
  test-02: 1;
  test-03: 1;
  test-04: 1; }

ruby sass 3.4.21

.foo {
  test-01: 1;
  test-02: -3;
  test-03: 3;
  test-04: -1; }

version info:

libsass         3.3.6  (Sass Compiler) [C/C++]

[mgreter]

Thanks for the report. I've update your sample to include more cases with different signs.
https://en.wikipedia.org/wiki/Modulo_operation#Remainder_calculation_for_the_modulo_operation