svl/source/numbers/zformat.cxx |   11 +++++++++++
 1 file changed, 11 insertions(+)

New commits:
commit 8e3ad5f11401a337910c6d63263811ca66ba456c
Author: Eike Rathke <er...@redhat.com>
Date:   Wed Feb 15 22:01:51 2017 +0100

    Resolves: tdf#105968 handle engineering notation rounded into next magnitude
    
    Change-Id: Ie31ab88543994f0e8aeef8152c230c05e071ef8e
    (cherry picked from commit 63bc2b13cb344cce99348496838d7d2c2f690211)
    Reviewed-on: https://gerrit.libreoffice.org/34321
    Tested-by: Jenkins <c...@libreoffice.org>
    Reviewed-by: Christian Lohmaier <lohmaier+libreoff...@googlemail.com>

diff --git a/svl/source/numbers/zformat.cxx b/svl/source/numbers/zformat.cxx
index 8178b7e..ac0c608 100644
--- a/svl/source/numbers/zformat.cxx
+++ b/svl/source/numbers/zformat.cxx
@@ -2593,11 +2593,22 @@ bool SvNumberformat::ImpGetScientificOutput(double 
fNumber,
                 nExpSign = 1;
             }
             ExpStr = OUString::number( nExp );
+            const sal_Unicode cFirstDigit = sStr[0];
             // rescale mantissa
             sStr = ::rtl::math::doubleToUString( fNumber,
                                          rtl_math_StringFormat_E,
                                          nRescale + rInfo.nCntPost, '.' );
+
+            // sStr now may contain a rounded-up value shifted into the next
+            // magnitude, for example 1.000E+02 (4 digits) for fNumber 99.995
+            // (9.9995E+02 rounded to 3 decimals) but we want the final result
+            // to be 100.00E+00 (5 digits), so for the following fill routines
+            // below to work correctly append a zero decimal.
+            /* TODO: this is awkward, could an engineering notation mode be
+             * introduced to rtl_math_doubleToUString()? */
             sStr.truncate( sStr.indexOf('E') );
+            if (sStr[0] == '1' && cFirstDigit != '1')
+                sStr.append('0');
         }
 
         // cut any decimal delimiter
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