public int compare(@Nullable String lhs, @Nullable String rhs) {
      if (lhs == rhs) {
        return 0;
      }
      if (lhs == null) {
        // lhs (null) comes just before justAfterNull.
        // If rhs is b, lhs comes first.
        if (rhs.equals(justAfterNull)) {
          return -1;
        }
        return justAfterNull.compareTo(rhs);
      }
      if (rhs == null) {

	default:
		return nil, errInvalidASTNode
	}
	rhs = *eltVal

	// If RHS is array compare each element.
	if arr, ok := rhs.ToArray(); ok {
		for _, element := range arr {
			// If we have an array we are on the wrong level.
			if cmp(element, *lhs) {
				return FromBool(true), nil
			}
		}
		return FromBool(false), nil
	}

	return FromBool(cmp(rhs, *lhs)), nil
}

	tok := p.next()
	str := tok.String()
	var count int16
	switch tok.ScanToken {
	case scanner.Ident:
		if p.arch.Family == sys.ARM64 {
			p.errorf("rhs of shift must be integer: %s", str)
		} else {
			r2, ok := p.registerReference(str)
			if !ok {
				p.errorf("rhs of shift must be register or integer: %s", str)
			}
			count = (r2&15)<<8 | 1<<4
		}
	case scanner.Int, '(':
		p.back()
		x := int64(p.expr())

      char c2 = s2.charAt(i);
      if (c1 == c2) {
        continue;
      }
      int alphaIndex = getAlphaIndex(c1);
      // This was also benchmarked using '&' to avoid branching (but always evaluate the rhs),
      // however this showed no obvious improvement.
      if (alphaIndex < 26 && alphaIndex == getAlphaIndex(c2)) {
        continue;
      }
      return false;
    }
    return true;
  }

d(X/Z)²(Y/Z)² // (-X² + Y²)/Z² = 1 + (dX²Y²)/Z⁴ // (-X² + Y²)*Z² = Z⁴ + dX²Y² var lhs, rhs field.Element lhs.Subtract(&YY, &XX).Multiply(&lhs, &ZZ) rhs.Multiply(d, &XX).Multiply(&rhs, &YY).Add(&rhs, &ZZZZ) if lhs.Equal(&rhs) != 1 { t.Errorf("X, Y, and Z do not specify a point on the curve\nX = %v\nY = %v\nZ = %v", p.x, p.y, p.z) } // xy = T/Z lhs.Multiply(&p.x, &p.y) rhs.Multiply(&p.z, &p.t) if lhs.Equal(&rhs) != 1 { t.Errorf("point %d is not valid\nX = %v\nY = %v\nZ = %v", i, p.x, p.y, p.z) } }...