Expr and Var now can be operated with ints and floats
Expr and Var now can be operated with ints and floats


Former-commit-id: aa1b16c6f5fcebaf15bed75d3c217ba3a50352cf
darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide