Re: 'f' suffix vs. -float directive

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Allan Schaffer (aschaffe++at++shark.paris.sgi.com)
Thu, 9 Feb 1995 16:02:37 +0100

>
> Is there a difference between using the -float compiler
> flag and putting a 'f' after each real number in a
> performer program? If not, then why is this 'f' feature
> included?

No difference that I can think of. As to why,

  - I imagine it is standard K&R C (but don't have K&R in front of me
    to check)

  - Lets you choose to restrict only certain promotions, if you so choose

  - The -float option is ignored in all ANSI/ISO C conformance modes
    and only has effect -cckr mode. ANSI/ISO C uses single precision
    floating-point operations where allowed by the Standard.

Allan

-- 
Allan Schaffer
Silicon Graphics
aschaffe++at++sgi.com
http://reality.sgi.com/employees/aschaffe

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