u := upper[i]
		if TurkishCase.ToLower(l) != l {
			t.Errorf("lower(U+%04X) is U+%04X not U+%04X", l, TurkishCase.ToLower(l), l)
		}
		if TurkishCase.ToUpper(u) != u {
			t.Errorf("upper(U+%04X) is U+%04X not U+%04X", u, TurkishCase.ToUpper(u), u)
		}
		if TurkishCase.ToUpper(l) != u {
			t.Errorf("upper(U+%04X) is U+%04X not U+%04X", l, TurkishCase.ToUpper(l), u)
		}
		if TurkishCase.ToLower(u) != l {

func computeBounds(mant uint64, exp int, flt *floatInfo) (lower, central, upper uint64, e2 int) {
	if mant != 1<<flt.mantbits || exp == flt.bias+1-int(flt.mantbits) {
		// regular case (or denormals)
		lower, central, upper = 2*mant-1, 2*mant, 2*mant+1
		e2 = exp - 1
		return
	} else {
		// border of an exponent
		lower, central, upper = 4*mant-1, 4*mant, 4*mant+2
		e2 = exp - 2
		return
	}
}

  let summary = "Lower tf.ReadVariable and tf.AssignVariable";

  let description = [{
    This pass will lower AssignVariableOp and ReadVariableOp to their ml_program
    equivalents, for those resources which come from a VarHandle op, but also
    for those which come from a "bound input" parameter. For the latter,

			fmt.Println("\tis digit rune")
		}
		if unicode.IsGraphic(c) {
			fmt.Println("\tis graphic rune")
		}
		if unicode.IsLetter(c) {
			fmt.Println("\tis letter rune")
		}
		if unicode.IsLower(c) {
			fmt.Println("\tis lower case rune")
		}
		if unicode.IsMark(c) {
			fmt.Println("\tis mark rune")
		}
		if unicode.IsNumber(c) {
			fmt.Println("\tis number rune")
		}
		if unicode.IsPrint(c) {

				// been seen recently due to hardware issues
				// causes Reads() to go slower than Writes().
				//
				// Send such results anyways as this shall
				// expose a problem underneath.
				if totalPut > throughputHighestPut {
					throughputHighestResults = results
					throughputHighestPut = totalPut
					// let the client see lower value as well
					throughputHighestGet = totalGet
				}
				sendResult()

		if got != want {
			t.Errorf("%U incorrect: got %t; want %t", i, got, want)
		}
	}
}

func TestIsLowerLatin1(t *testing.T) {
	for i := rune(0); i <= MaxLatin1; i++ {
		got := IsLower(i)
		want := Is(Lower, i)
		if got != want {
			t.Errorf("%U incorrect: got %t; want %t", i, got, want)
		}
	}
}

func TestNumberLatin1(t *testing.T) {
	for i := rune(0); i <= MaxLatin1; i++ {
		got := IsNumber(i)

	{"schedule", "regalloc"},
	// the rules in late lower run after the general rules.
	{"lower", "late lower"},
	// late lower may generate some values that need to be CSEed.
	{"late lower", "lowered cse"},
	// checkLower must run after lowering & subsequent dead code elim
	{"lower", "checkLower"},
	{"lowered deadcode", "checkLower"},
	{"late lower", "checkLower"},
	// late nilcheck needs instructions to be scheduled.

    }

    void assertCurrentVersionHasNotRegressed() {
        if (hasRegressionChecks()) {
            def slower = checkBaselineVersion({ it.significantlyFasterThan(current) }, { it.getSpeedStatsAgainst(displayName, current) })
            if (slower) {
                throw new AssertionError(Object.cast(slower))
            }
        }
    }

    void assertCurrentVersionHasNotRegressedWithHighRelativeMedianDifference() {

            val isTheSameType = lower is KaNonErrorClassType && upper is KaNonErrorClassType && lower.classId == upper.classId ||
                    lower is KaTypeParameterType && upper is KaTypeParameterType && lower.symbol == upper.symbol
            if (isTheSameType &&
                lower.nullability == KaTypeNullability.NON_NULLABLE
                && upper.nullability == KaTypeNullability.NULLABLE
            ) {

}

func digitVal(ch rune) int {
	switch {
	case '0' <= ch && ch <= '9':
		return int(ch - '0')
	case 'a' <= lower(ch) && lower(ch) <= 'f':
		return int(lower(ch) - 'a' + 10)
	}
	return 16 // larger than any legal digit val
}

func lower(ch rune) rune     { return ('a' - 'A') | ch } // returns lower-case ch iff ch is ASCII letter
func isDecimal(ch rune) bool { return '0' <= ch && ch <= '9' }