Trouble with floating point constants in printf and different versions of gcc

[Ian Lance Taylor]

Momchil Ivanov <momchil@xaxo.eu> writes:

> gcc 4.5 and 4.6 produce different output when compiled with -std=c99 than gcc 4.2 and 4.4.

In gcc 4.5 and up -std=c99 implies -fexcess-precision=standard, q.v.

Ian