Method do_binary_double_predicate_op

core/src/vm/context.rs:503–516

Applies a binary double predicate using `parse` to decode the instruction and `op` to compute the result.

(
        &mut self,
        instr: u32,
        parse: fn(u32) -> (Register, Register, Register),
        op: F,
    )

    /// Applies a binary double predicate using `parse` to decode the instruction and `op` to
    /// compute the result.
    fn do_binary_double_predicate_op<F>(
        &mut self,
        instr: u32,
        parse: fn(u32) -> (Register, Register, Register),
        op: F,
    ) where
        F: Fn(f64, f64) -> bool,
    {
        let (dest, src1, src2) = parse(instr);
        let lhs = f64::from_bits(self.get_reg(src1));
        let rhs = f64::from_bits(self.get_reg(src2));
        self.set_reg(dest, if op(lhs, rhs) { 1 } else { 0 });
        self.pc += 1;
    }

    /// Applies a binary integer operation using `parse` to decode the instruction and `op` to
    /// compute the result.  `op` returns `Err` with a message on failure.