diff options
Diffstat (limited to 'sc/source/core/data/colorscale.cxx')
| -rw-r--r-- | sc/source/core/data/colorscale.cxx | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sc/source/core/data/colorscale.cxx b/sc/source/core/data/colorscale.cxx index 4ea3606e48b8..a257fae0a87d 100644 --- a/sc/source/core/data/colorscale.cxx +++ b/sc/source/core/data/colorscale.cxx @@ -484,8 +484,10 @@ Color CalcColor( double nVal, double nVal1, const Color& rCol1, double nVal2, co double GetPercentile( const std::vector<double>& rArray, double fPercentile ) { size_t nSize = rArray.size(); - size_t nIndex = static_cast<size_t>(::rtl::math::approxFloor( fPercentile * (nSize-1))); - double fDiff = fPercentile * (nSize-1) - ::rtl::math::approxFloor( fPercentile * (nSize-1)); + double fFloor = ::rtl::math::approxFloor(fPercentile * (nSize-1)); + SAL_WARN_IF(fFloor < 0, "sc", "negative percentile"); + size_t nIndex = fFloor >= 0 ? static_cast<size_t>(fFloor) : 0; + double fDiff = fPercentile * (nSize-1) - fFloor; std::vector<double>::const_iterator iter = rArray.begin() + nIndex; if (fDiff == 0.0) return *iter; |