gbadev : Message: Floating point questions

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Message #14666 of 15019 |

Hi,

I want to do two floating point operations: addition/substraction and
integer conversion. Is there any info on how fast these two operations are
on the AGB since it hasn't any FP hardware? How many instructions, cycles?
If it's really slow, does anyone know a fast trick to do these two
operations?

Regards,

Martijn Reuvers

Thu Dec 11, 2003 9:56 am

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"Martijn Reuvers" <martijn@...>

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Expand Messages	Author	Sort by Date
Hi, I want to do two floating point operations: addition/substraction and integer conversion. Is there any info on how fast these two operations are on the AGB...	Martijn Reuvers martijntwotr...	Dec 11, 2003 2:14 pm
I don't see the reason for using any floating point arithmetics if that's all you want to do. To begin with you'll only have integer results unless you also...	Tomas Hallenberg tomha219@...	Dec 11, 2003 2:51 pm
Hi all, Thanks for your comments, but please assume that I DO want to use floating point operations and not fixed point. There are only two operations that I'm...	Martijn Reuvers martijntwotr...	Dec 12, 2003 12:44 am
Sure, gcc and most other compilers use software floating point operations if you dont have the hardware (well you have to tell the compiler which way to do...	David Welch dwelchgba	Dec 12, 2003 4:15 am

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