Converting a double to binary

Hey all,
I am having difficultly trying to devise a simple method for converting a double to its binary representation. The value that I am dealing with is ~10^32, so I cannot use int or long. Any advice/suggestions would be appreciated. Shanks.

prometheuzz wrote:
Boojum317 wrote:
Value = 711051181013210910132971103265
Calculated binary = 100011000100001111100110000111110000000110000000100101001101011
Value of calculated binary = 5.0535875047965512E18I am not checking your numbers, but I suspect you are confused how a floating point is represented in a binary notation. This is different than an integer value.
Read the link that was posted earlier in your thread.Indeed.
Long.toBinaryString(Double.doubleToLongBits(1.0))
gives
11111111110000000000000000000000000000000000000000000000000000which is correct.

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do anyone know how to convert a decimal to binary
i wants to convert 1 into 01, but the computer print out 1, it didn't print 0
also 0 it also print only 0, and 3 it print11
so decimal of 3, the computer print correct, but 0 and 1 it print wrong
how can i print 01 if my decimal is 1
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this forum is for the SAP Integration Kit.
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try this.
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In case you are wondering why I am adding and subtracting those values it's because my panel I'm drawing on is (600,400) and of course (0,0) is the top left corner rather than the center where it would be on a Cartesian plane, so I think I've made all the necassary adjustments so (0,0) is now in essentially the center of the panel. It's basically scanning across from the left to right and finding X^2 from '-300' to '300' but only drawing it in if the value for Y will appear in the panel. I know it's pretty fucked up and probably some really messy code, lol. I'm somewhat inexperienced and probably being a bit too adventurous.
Edited by: vortex on Jan 15, 2008 11:07 AM
Edited by: vortex on Jan 15, 2008 11:15 AM

I haven't tried that, I will try that when I get to school. I think the issue could be that -300^2 may be too big to be an int? I was just thinking before I fell asleep about it last night and that could be it too...So naturally I'll just start from say, -100, or even -25 as that isn't exactly gonna fit on the graph so I'm just wasting processor power currently I suppose. Anyways I'm gonna try both of these out and get back to you guys.
Another issue I'm foreseeing is that one of the graphs is the root of x, so I'm going to be dealing with decimals, that's fine for double but when I turn that into an int (assuming I ever figure out how to, hoping your idea, possibly coupled with mine works) how can I round/drop the decimals?
Edited by: vortex on Jan 16, 2008 8:10 AM

Converting a double to binary

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