Floating-Point Literals
Floating-point numbers can be represented in a number of ways. The following are all legitimate floating-point numbers:
| 1003.45 | .00100345e6 | 100.345E+1100345e–2 |
| 1.00345e3 | 0.00100345e+6 |
Floating-point literals have several parts, which appear in the following order as shown in Table 3.9.
| Part | Is It Required? | Examples |
|---|---|---|
| Whole Number | Not if fractional part is present. | 0, 1, 100, 1003 |
| Decimal Point | Not if exponent is present; must be there if there is a fractional part. | |
| Fractional | Cannot be present if there is no decimal point; must be there if there is no whole number part. | 0, 1, 1415927 |
| Exponent | Only if there is no decimal point. | e23, E–19, E6, e+307, e–1 |
| Type Suffix | No. The number ... |
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