Groups > comp.lang.java.programmer > #8570

Re: DataInputStream

From	bob <bob@coolgroups.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: DataInputStream
Date	2011-10-05 07:17 -0700
Organization	http://groups.google.com
Message-ID	<02b9b80f-ff02-499d-8f33-056080b114bb@s9g2000yql.googlegroups.com> (permalink)
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The issue is that it's too slow.

What I'm hoping for is something like this:

			byte[] b = new byte[numfloats*4];
			dis.read(b, 0, numfloats*4);
			float[] f = (float[]) b;
			return f;

I don't know why, but it won't let me do the cast.  Any ideas?




On Oct 5, 2:07 am, Robert Klemme <shortcut...@googlemail.com> wrote:
> On Oct 5, 8:17 am, bob <b...@coolgroups.com> wrote:
>
>
>
>
>
>
>
>
>
> >         float[] getVertices3(String filename) {
>
> >                 try {
> >                         AssetManager am = this.getResources().getAssets();
> >                         InputStream is = am.open(filename);
> >                         DataInputStream dis = new DataInputStream(is);
> >                         int numfloats=dis.readInt();
>
> >                         float[] floatArray = new float[numfloats];
>
> >                         for (int ctr = 0; ctr < floatArray.length; ctr++) {
> >                                 floatArray[ctr] = dis.readFloat();
> >                         }
> >                         return floatArray;
>
> >                 } catch (IOException e) {
> >                         e.printStackTrace();
> >                         return null;
> >                 }
>
> >         }
>
> That's OK.  Now, what's the issue?
>
> Cheers
>
> robert

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Thread

DataInputStream bob <bob@coolgroups.com> - 2011-10-04 22:34 -0700
  Re: DataInputStream Robert Klemme <shortcutter@googlemail.com> - 2011-10-05 08:02 +0200
    Re: DataInputStream bob <bob@coolgroups.com> - 2011-10-04 23:17 -0700
      Re: DataInputStream Robert Klemme <shortcutter@googlemail.com> - 2011-10-05 00:07 -0700
        Re: DataInputStream bob <bob@coolgroups.com> - 2011-10-05 07:17 -0700
          Re: DataInputStream markspace <-@.> - 2011-10-05 08:27 -0700
          Re: DataInputStream Patricia Shanahan <pats@acm.org> - 2011-10-05 08:38 -0700
          Re: DataInputStream Robert Klemme <shortcutter@googlemail.com> - 2011-10-05 08:58 -0700
            Re: DataInputStream Lew <lewbloch@gmail.com> - 2011-10-05 14:52 -0700
              Re: DataInputStream Patricia Shanahan <pats@acm.org> - 2011-10-05 15:15 -0700
              Re: DataInputStream Robert Klemme <shortcutter@googlemail.com> - 2011-10-06 00:11 -0700
                Re: DataInputStream Lew <lewbloch@gmail.com> - 2011-10-06 07:08 -0700
                Re: DataInputStream Patricia Shanahan <pats@acm.org> - 2011-10-06 07:49 -0700
          Re: DataInputStream Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-10-05 21:16 -0400
      Re: DataInputStream Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-10-05 08:12 +0000
        Re: DataInputStream bob <bob@coolgroups.com> - 2011-10-05 07:12 -0700
  Re: DataInputStream Roedy Green <see_website@mindprod.com.invalid> - 2011-10-06 02:48 -0700

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