View Compilation Error

0_0_12743953_32087.cpp: In function `double calc(P, P)':
0_0_12743953_32087.cpp:79: error: invalid operands of types `void ()(P, P, P*, int&)' and `int' to binary `operator%'
0_0_12743953_32087.cpp:79: error: expected `;' at end of input
0_0_12743953_32087.cpp:79: error: expected `}' at end of input
0_0_12743953_32087.cpp:79: error: expected `}' at end of input
0_0_12743953_32087.cpp:79: error: expected `}' at end of input