From: "Andrew C. Oliver" <[EMAIL PROTECTED]> > True but a straight double isn't accurate to that many decimal places. > I think that we don't know for sure is the result of a lack of unit > tests in this area of the software. > > I think this is a great area for some of those who've written in saying > "I want to get involved" to help contribute and a great place to get > started. >
An example of software that calculates with high precision http://www.jonelo.de/java/bigal.html > > Glen Stampoultzis wrote: > > >Strange, it's stored internally in Excel as a double and we're just using > >standard Java routines to convert to a double from bytes. The error is > >reasonably large too. > > > >-- Glen > > > > > >----- Original Message ----- > >From: "Andrew C. Oliver" <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Sent: Thursday, April 18, 2002 11:30 PM > >Subject: Re: Wrong result from numberic cell value with v1.5.0-dev-20020416 > > > > > >>Anyone have any thoughts on this one? > >> > >>Teutscher, Uwe wrote: > >> > >>>But with poi version 1.0.1 I get the correct result. > >>>I think this is a step back. > >>> > >>>Uwe > >>> > >>>-----Original Message----- > >>>From: Andrew C. Oliver [mailto:[EMAIL PROTECTED]] > >>>Sent: Thursday, April 18, 2002 2:05 PM > >>>To: '[EMAIL PROTECTED]' > >>>Subject: Re: Wrong result from numberic cell value with > >>>v1.5.0-dev-20020416 > >>> > >>> > >>>Yes this is a documentation bug. We're using double. double rounding > >>>is not 100% accurate. Future versions may support BigDecimal as well, > >>>but not the current dev version. If you round to the expected decimal > >>>places you should get acceptable results. > >>> > >>>If someone wants to do a BigDecimal patch that provides it in addition > >>>to double, then I'll gladly commit it. > >>> > >>>-Andy > >>> > >>>On Thu, 2002-04-18 at 05:20, Teutscher, Uwe wrote: > >>> > >>>>Hi > >>>> > >>>>I have the following problem with POI versions > >>>>jakarta-poi-1.5.0-dev-20020416-bin and version 1.4583. > >>>> > >>>>I get the wrong result back when I read a cell with the vale 987.01. > >>>> > >>>> > >>>>public class Test { > >>>> public static void main(String[] args) throws IOException { > >>>> > >>>> POIFSFileSystem fs = new POIFSFileSystem(new > >>>>FileInputStream("test.xls")); > >>>> HSSFWorkbook wb = new HSSFWorkbook(fs); > >>>> HSSFSheet sheet = wb.getSheetAt(0); > >>>> HSSFRow row = sheet.getRow(0); > >>>> > >>>> HSSFCell cell = row.getCell((short)0); > >>>> System.out.println("> " + cell.getNumericCellValue()); > >>>> cell = row.getCell((short)1); > >>>> System.out.println("> " + cell.getNumericCellValue()); > >>>> cell = row.getCell((short)2); > >>>> System.out.println("> " + cell.getNumericCellValue()); > >>>> cell = row.getCell((short)3); > >>>> System.out.println("> " + cell.getNumericCellValue()); > >>>> } > >>>>} > >>>> > >>>>The excel file test.xls has one row with 4 cells: > >>>>987.0 987.01 987.02 987.011 > >>>> > >>>> > >>>>The result is: > >>>>987.0 > >>>>987.010625 > >>>>987.020625 > >>>>987.011 > >>>> > >>>>Thanks for your help > >>>> > >><snip content="attachment that I can't decode anyhow"/> > >> > > > > > > > > > >
