View Compilation Error

0_0_33245684_31188.cpp: In function 'DO rsim(DO, DO, DO, DO, DO, DO, DO)':
0_0_33245684_31188.cpp:178:120: error: invalid operands of types 'DO {aka long double}' and 'int' to binary 'operator%'
     return rsim(l, mid, lv, mv, m1v, f((l + m1) / 2), f((m1 + mid) / 2)) + rsim(mid, r, mv, rv, m2v, f((mid + m2) / 2)%2
                                                                                                                        ^
0_0_33245684_31188.cpp:178:120: error: expected ';' at end of input
0_0_33245684_31188.cpp:178:120: error: expected '}' at end of input
0_0_33245684_31188.cpp:178:120: error: expected '}' at end of input