View Compilation Error

0_0_25878384_15021.cpp: In function 'int f(int)':
0_0_25878384_15021.cpp:11:42: error: invalid operands of types '__gnu_cxx::__enable_if<true, double>::__type {aka double}' and 'const int' to binary 'operator%'
     return (c*f(x-2)+d*f(x-1)+fabs(p/x))%modd;
                                          ^