On 2013-04-19 09:21, veegee wrote:
> On 2013-04-19 4:10 AM, veegee wrote:
>> Furthermore, declaring macros like this:
>> #define abc 48e6
>> as opposed to this:
>> #define abc 48000000
>> also adds significant size (around +6% on a PIC32MX220F032B) to the
>> program space usage.
>=20
> Turns out that the constants need to be explicitly cast to a type like=20
> this:
> #define abc (unsigned int) 48e6

Using 48e6 will most likely convince the compiler it's a float, unless=20
you typecast differently.  That extra 6% was probably the relevant=20
floating point library code for whatever operations you did with the=20
define.

David
--=20
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