View Compilation Error

0_0_7402299_19662.c: In function `main':
0_0_7402299_19662.c:5: error: `dluble' undeclared (first use in this function)
0_0_7402299_19662.c:5: error: (Each undeclared identifier is reported only once
0_0_7402299_19662.c:5: error: for each function it appears in.)
0_0_7402299_19662.c:5: error: syntax error before "x1"
0_0_7402299_19662.c:6: error: `x1' undeclared (first use in this function)
0_0_7402299_19662.c:6: error: `y1' undeclared (first use in this function)
0_0_7402299_19662.c:6: error: `x2' undeclared (first use in this function)
0_0_7402299_19662.c:6: error: `y2' undeclared (first use in this function)
0_0_7402299_19662.c:8: error: too few arguments to function `pow'