View Compilation Error

0_0_33204698_4961.cpp: In function 'bool Across(Line, Line)':
0_0_33204698_4961.cpp:40:73: error: expected identifier before '(' token
         if ((mul1*mul2 < 0 || (fabs(mul1)<1e-6)||(fabs(mul2)<1e-6) ))&& ((mul3 *mul4) < 0 || (fabs(mul3)<1e-6)||(fabs(mul4)<1e-6)))
                                                                         ^