View Compilation Error

0_0_9885050_25078.cpp:2:16: math: No such file or directory
0_0_9885050_25078.cpp: In function `int main()':
0_0_9885050_25078.cpp:13: error: `floor' undeclared (first use this function)
0_0_9885050_25078.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9885050_25078.cpp:13: error: `fabs' undeclared (first use this function)