Function ch1_calculation_nib_stack

bitvm/src/hash/sha256_u4_stack.rs:190–215

(
    stack: &mut StackTracker,
    e: StackVariable,
    f: StackVariable,
    g: StackVariable,
    nib: u32,
    lookup: StackVariable,
    xortable: StackVariable,
    shift_table: StackVariable,

#[allow(clippy::too_many_arguments)]
pub fn ch1_calculation_nib_stack(
    stack: &mut StackTracker,
    e: StackVariable,
    f: StackVariable,
    g: StackVariable,
    nib: u32,
    lookup: StackVariable,
    xortable: StackVariable,
    shift_table: StackVariable,
) -> StackVariable {
    stack.copy_var(g); // g[nib]
    stack.op_dup(); // g g

    stack.copy_var(f); // g g f[nib]

    u4_logic_with_table_stack(stack, lookup, xortable); // g (g^f)

    stack.copy_var(e); // // g (g^f) e

    u4_and_with_xor_stack(stack, lookup, xortable, shift_table); // g (g^f & e)

    let var = u4_logic_with_table_stack(stack, lookup, xortable); // g ^ ((f ^ g) & e)

    stack.rename(var, format!("ch_i_{}", nib).as_str());
    var
}

#[allow(clippy::too_many_arguments)]
pub fn maj1_calculation_nib_stack(