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(def a 1234567890.12345678901M)java.math.BigDecimal
decimal a = 1234567890.12345678901m; integer, parameter :: qp = selected_real_kind(20)
real(kind=qp) :: a
import static java.math.RoundingMode.HALF_UP;
import java.math.BigDecimal;
import java.math.MathContext;String pi = "3.14159265358979323846";
MathContext m = new MathContext(21, HALF_UP);
BigDecimal a = new BigDecimal(pi, m);my $a = 12345678901234567890.1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890;let a = Decimal::from_str("1234567890.123456789012345").unwrap();