Function u4_lshift_stack

bitvm/src/u4/u4_shift_stack.rs:48–51

Calculates n'th left shift of the top u4 element with both tables

(stack: &mut StackTracker, tables: StackVariable, n: u32)

/// Calculates n'th left shift of the top u4 element with both tables
pub fn u4_lshift_stack(stack: &mut StackTracker, tables: StackVariable, n: u32) -> StackVariable {
    assert!((1..4).contains(&n));
    stack.get_value_from_table(tables, Some(16 * 3 + 16 * (n - 1)))
}

/// Table for multiplication by two
pub fn u4_push_shift_for_blake(stack: &mut StackTracker) -> StackVariable {