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 | | Re: USB IR tower support in Lunix
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| (...) I just got the USB tower to work. At least, for downloading the BrickOS.srec kernel. I think I have to hack some more today to find a way to let 'dll' work with the /dev/tower0 device. I used the devicedriver at (URL) (22 years ago, 2-Jan-03, to lugnet.robotics.rcx.legos)
| | | | | Re: Float and int
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| (...) For most brick projects I can think of, it is. If you want to travel your robot around, you will have to deal with sin, cos, tan and square root. First thing you can do is working with tables to avoid "on the fly" sin calculation. Second, you (...) (22 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
| | | | | RE: Float and int
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| (...) I'm doing a seminar at BricksWest on fixed point notation and simple algorithms for square root, trig, etc for BrickOS and pbForth users. The focus will be on the mechanics of the algorithms, the actual code implementation will be a "exercise (...) (22 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
| | | | | Re: Float and int
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| (...) Mabie Fixed Point is an answer. I dont know how it works but I have a book that suggests that a decent Fixed Point library can be faster than Floating Point if there isnt an FPU available. (22 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
| | | | | Re: Float and int
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| (...) You should look in the gnu gcc compiler documentation for this. Float support is not OS but compiler specific. As I recall, gcc uses IEEE float format, the specification should be found somewhere in the net. But doing float with the brick is (...) (22 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
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