Added float_8 to vector math test. Should theoretically use avx.
Added float_8 to vector math test. Should theoretically use avx.


Former-commit-id: 8067ea9a5e5ebd0c7c48c5955d3643c937ac0b77
Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide