View Compilation Error

0_0_9601980_5870.c:1:18: cstdio: No such file or directory
0_0_9601980_5870.c:2:17: cmath: No such file or directory
0_0_9601980_5870.c:3:19: complex: No such file or directory
0_0_9601980_5870.c:4: error: syntax error before "namespace"
0_0_9601980_5870.c:6: error: initializer element is not constant
0_0_9601980_5870.c:45: error: syntax error before "Vec2D"
0_0_9601980_5870.c:46: error: syntax error before ':' token
0_0_9601980_5870.c: In function `mod':
0_0_9601980_5870.c:51: error: syntax error before '{' token
0_0_9601980_5870.c:143: error: syntax error before "Segment"
0_0_9601980_5870.c:152: error: parameter `len' is initialized
0_0_9601980_5870.c:152: error: `vec' undeclared (first use in this function)
0_0_9601980_5870.c:152: error: (Each undeclared identifier is reported only once
0_0_9601980_5870.c:152: error: for each function it appears in.)
0_0_9601980_5870.c:152: confused by earlier errors, bailing out