The results returned from the Simulink MOD function are consistent with the MATLAB MOD function and the description from the help:
MOD(x,y) is x - n.*y
where n = floor(x./y) if y ~= 0.
As a workaround, you can use the REM function in the Math Function block. As long as the operands X and Y are of the same sign, the function mod(X,Y) returns the same result as does rem(X,Y). However, for positive X and Y, mod(-X,Y) = rem(-X,Y)+Y.
