How can I compute the range of signed and unsigned types

Jag agrajag at linuxpower.org
Wed Apr 18 08:48:42 EDT 2001


On Wed, 18 Apr 2001, Chris Richard Adams wrote:

> How can I 'compute' the different sizes of types on the machine?  to
> prove that the values within limits.h are valid.  I also would like to
> do this for reals. Anyone have any tips - I'd appreciate it.

Those sizes are defined for the C language.  In order words, no matter
if you're on a 32-bit machine or a 64-bit machine, an int is always
going to be 32-bit and thus have the same numeric range because the
standards say so.  This goes for all the basic types, not just int's.


Jag
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