Examples

   25.5   1000.   0.0   37589.33333   15E1   2.5E5   2.2E-1   5.E+22
A floating-point constant represents a 64-bit floating-point number of System/390® architecture. The number is represented in decimal notation, with Enn meaning multiplied by 10 to power nn. For example, 2.5E5 means 2.5×105, and 2.2E-1 means 2.2×10-1. The specified value is rounded to the closest value that can be represented as a 64-bit floating-point number.

The number must not exceed 1663-1649, which is approximately 7.2E75. The smallest possible value different from 0 is 16-65, which is approximately 5.4E-79.

The maximum length of the token is 32 characters.