include/tools/datetime.hxx | 9 + include/tools/duration.hxx | 72 +++++++++ sc/inc/table.hxx | 8 - sc/source/core/data/documen3.cxx | 3 sc/source/core/data/table4.cxx | 117 +++++++++------ tools/CppunitTest_tools_test.mk | 1 tools/Library_tl.mk | 1 tools/qa/cppunit/test_duration.cxx | 278 +++++++++++++++++++++++++++++++++++++ tools/source/datetime/datetime.cxx | 38 ++--- tools/source/datetime/duration.cxx | 256 ++++++++++++++++++++++++++++++++++ 10 files changed, 717 insertions(+), 66 deletions(-)
New commits: commit 0770c99928fa0c4af23b06cbf694ee77ee78b836 Author: Eike Rathke <er...@redhat.com> AuthorDate: Sat Jun 17 01:05:48 2023 +0200 Commit: Eike Rathke <er...@redhat.com> CommitDate: Sat Jun 17 18:04:56 2023 +0200 Resolves: tdf#153517 Use tools::Duration for FillSeries with (date+)time Change-Id: I18567fdac512ee786ce4b0785b01b2ae6da7450e Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153203 Tested-by: Jenkins Reviewed-by: Eike Rathke <er...@redhat.com> (cherry picked from commit 45bee6b9a0e620758d0d4079d832d80095164b0a) Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153219 diff --git a/sc/inc/table.hxx b/sc/inc/table.hxx index a2cc60f9d70e..0662053cb89c 100644 --- a/sc/inc/table.hxx +++ b/sc/inc/table.hxx @@ -715,7 +715,8 @@ public: sc::UpdatedRangeNames& rIndexes) const; void Fill( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, sal_uInt64 nFillCount, FillDir eFillDir, FillCmd eFillCmd, FillDateCmd eFillDateCmd, - double nStepValue, double nMaxValue, ScProgress* pProgress); + double nStepValue, const tools::Duration& rDurationStep, + double nMaxValue, ScProgress* pProgress); OUString GetAutoFillPreview( const ScRange& rSource, SCCOL nEndX, SCROW nEndY ); void UpdateSelectionFunction( ScFunctionData& rData, const ScMarkData& rMark ); @@ -1191,13 +1192,14 @@ private: void FillSeries( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, sal_uInt64 nFillCount, FillDir eFillDir, FillCmd eFillCmd, FillDateCmd eFillDateCmd, - double nStepValue, double nMaxValue, sal_uInt16 nMinDigits, + double nStepValue, const tools::Duration& rDurationStep, + double nMaxValue, sal_uInt16 nMinDigits, bool bAttribs, ScProgress* pProgress, bool bSkipOverlappedCells = false, std::vector<sal_Int32>* pNonOverlappedCellIdx = nullptr); void FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, FillCmd& rCmd, FillDateCmd& rDateCmd, - double& rInc, sal_uInt16& rMinDigits, + double& rInc, tools::Duration& rDuration, sal_uInt16& rMinDigits, ScUserListData*& rListData, sal_uInt16& rListIndex, bool bHasFiltered, bool& rSkipOverlappedCells, std::vector<sal_Int32>& rNonOverlappedCellIdx ); diff --git a/sc/source/core/data/documen3.cxx b/sc/source/core/data/documen3.cxx index b1cf5fe81b8c..8d0d2ba9a665 100644 --- a/sc/source/core/data/documen3.cxx +++ b/sc/source/core/data/documen3.cxx @@ -29,6 +29,7 @@ #include <vcl/svapp.hxx> #include <osl/thread.hxx> #include <osl/diagnose.h> +#include <tools/duration.hxx> #include <document.hxx> #include <attrib.hxx> #include <table.hxx> @@ -1171,7 +1172,7 @@ void ScDocument::Fill(SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, ScProg { maTabs[rTab]->Fill(nCol1, nRow1, nCol2, nRow2, nFillCount, eFillDir, eFillCmd, eFillDateCmd, - nStepValue, nMaxValue, pProgress); + nStepValue, tools::Duration(), nMaxValue, pProgress); RefreshAutoFilter(aRange.aStart.Col(), aRange.aStart.Row(), aRange.aEnd.Col(), aRange.aEnd.Row(), rTab); } } diff --git a/sc/source/core/data/table4.cxx b/sc/source/core/data/table4.cxx index 10c27f8d2c84..9c6852990efe 100644 --- a/sc/source/core/data/table4.cxx +++ b/sc/source/core/data/table4.cxx @@ -28,6 +28,7 @@ #include <vcl/keycodes.hxx> #include <rtl/math.hxx> #include <unotools/charclass.hxx> +#include <tools/duration.hxx> #include <osl/diagnose.h> #include <attrib.hxx> @@ -215,32 +216,20 @@ double approxDiff( double a, double b ) return rtl::math::round(c, -std::max(nExp, nExpArg)); } -double approxTimeDiff( double a, double b ) +double approxTypedDiff( double a, double b, bool bTime, tools::Duration& rDuration ) { - // Scale to hours, round to "nanohours" (multiple nanoseconds), scale back. - // Get back 0.0416666666666667 instead of 0.041666666700621136 or - // 0.041666666664241347 (raw a-b) for one hour, or worse the approxDiff() - // 0.041666666659999997 value. Though there is no such correct value, - // IEEE-754 nearest values are - // 0.041666666666666664353702032030923874117434024810791015625 - // (0x3FA5555555555555) and - // 0.04166666666666667129259593593815225176513195037841796875 - // (0x3FA5555555555556). - // This works also for a diff of seconds, unless corner cases would be - // discovered, which would make it necessary to ditch the floating point - // and convert to/from time structure values instead. - return rtl::math::round((a - b) * 24, 9) / 24; -} - -double approxTypedDiff( double a, double b, bool bTime ) -{ - return bTime ? approxTimeDiff( a, b) : approxDiff( a, b); + if (bTime) + { + rDuration = tools::Duration(a - b); + return rDuration.GetInDays(); + } + return approxDiff( a, b); } } void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, FillCmd& rCmd, FillDateCmd& rDateCmd, - double& rInc, sal_uInt16& rMinDigits, + double& rInc, tools::Duration& rDuration, sal_uInt16& rMinDigits, ScUserListData*& rListData, sal_uInt16& rListIndex, bool bHasFiltered, bool& rSkipOverlappedCells, std::vector<sal_Int32>& rNonOverlappedCellIdx) @@ -248,6 +237,7 @@ void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, OSL_ENSURE( nCol1==nCol2 || nRow1==nRow2, "FillAnalyse: invalid range" ); rInc = 0.0; + rDuration = tools::Duration(); rMinDigits = 0; rListData = nullptr; rCmd = FILL_SIMPLE; @@ -413,6 +403,7 @@ void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, } else if (nValueCount >= 2) { + tools::Duration aDuration; for (SCSIZE i = 1; i < nValueCount && bVal; i++) { aPrevCell = aCurrCell; @@ -421,11 +412,16 @@ void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, aCurrCell = GetCellValue(nColCurr, nRowCurr); if (aCurrCell.getType() == CELLTYPE_VALUE) { + const bool bTime = (nCurrCellFormatType == SvNumFormatType::TIME || + nCurrCellFormatType == SvNumFormatType::DATETIME); double nDiff = approxTypedDiff(aCurrCell.getDouble(), aPrevCell.getDouble(), - (nCurrCellFormatType == SvNumFormatType::TIME || - nCurrCellFormatType == SvNumFormatType::DATETIME)); + bTime, aDuration); if (i == 1) + { rInc = nDiff; + if (bTime) + rDuration = aDuration; + } if (!::rtl::math::approxEqual(nDiff, rInc, 13)) bVal = false; else if ((aCurrCell.getDouble() == 0.0 || aCurrCell.getDouble() == 1.0) @@ -645,9 +641,10 @@ void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, { if (nCount > 1) { + tools::Duration aDuration; double nVal1 = aFirstCell.getDouble(); double nVal2 = GetValue(nCol+nAddX, nRow+nAddY); - rInc = approxTypedDiff( nVal2, nVal1, bTime); + rInc = approxTypedDiff( nVal2, nVal1, bTime, aDuration); nCol = sal::static_int_cast<SCCOL>( nCol + nAddX ); nRow = sal::static_int_cast<SCROW>( nRow + nAddY ); bool bVal = true; @@ -657,7 +654,7 @@ void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, if (aCell.getType() == CELLTYPE_VALUE) { nVal2 = aCell.getDouble(); - double nDiff = approxTypedDiff( nVal2, nVal1, bTime); + double nDiff = approxTypedDiff( nVal2, nVal1, bTime, aDuration); if ( !::rtl::math::approxEqual( nDiff, rInc, 13 ) ) bVal = false; else if ((nVal2 == 0.0 || nVal2 == 1.0) && @@ -670,6 +667,8 @@ void ScTable::FillAnalyse( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, bVal = false; nCol = sal::static_int_cast<SCCOL>( nCol + nAddX ); nRow = sal::static_int_cast<SCROW>( nRow + nAddY ); + if (bVal && bTime) + rDuration = aDuration; } if (bVal) rCmd = FILL_LINEAR; @@ -1092,6 +1091,7 @@ void ScTable::FillAuto( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, FillCmd eFillCmd; FillDateCmd eDateCmd = {}; double nInc; + tools::Duration aDurationInc; sal_uInt16 nMinDigits; ScUserListData* pListData = nullptr; sal_uInt16 nListIndex; @@ -1100,12 +1100,12 @@ void ScTable::FillAuto( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, if (bVertical) FillAnalyse(static_cast<SCCOL>(nCol),nRow1, static_cast<SCCOL>(nCol),nRow2, eFillCmd,eDateCmd, - nInc, nMinDigits, pListData, nListIndex, + nInc, aDurationInc, nMinDigits, pListData, nListIndex, bHasFiltered, bSkipOverlappedCells, aNonOverlappedCellIdx); else FillAnalyse(nCol1,static_cast<SCROW>(nRow), nCol2,static_cast<SCROW>(nRow), eFillCmd,eDateCmd, - nInc, nMinDigits, pListData, nListIndex, + nInc, aDurationInc, nMinDigits, pListData, nListIndex, bHasFiltered, bSkipOverlappedCells, aNonOverlappedCellIdx); if (pListData) @@ -1214,17 +1214,20 @@ void ScTable::FillAuto( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, else { if (!bPositive) + { nInc = -nInc; + aDurationInc = -aDurationInc; + } double nEndVal = (nInc>=0.0) ? MAXDOUBLE : -MAXDOUBLE; if (bVertical) FillSeries( static_cast<SCCOL>(nCol), nRow1, static_cast<SCCOL>(nCol), nRow2, nFillCount, eFillDir, - eFillCmd, eDateCmd, nInc, nEndVal, nMinDigits, false, + eFillCmd, eDateCmd, nInc, aDurationInc, nEndVal, nMinDigits, false, pProgress, bSkipOverlappedCells, &aNonOverlappedCellIdx); else FillSeries( nCol1, static_cast<SCROW>(nRow), nCol2, static_cast<SCROW>(nRow), nFillCount, eFillDir, - eFillCmd, eDateCmd, nInc, nEndVal, nMinDigits, false, + eFillCmd, eDateCmd, nInc, aDurationInc, nEndVal, nMinDigits, false, pProgress, bSkipOverlappedCells, &aNonOverlappedCellIdx); if (pProgress) nProgress = pProgress->GetState(); @@ -1375,6 +1378,7 @@ OUString ScTable::GetAutoFillPreview( const ScRange& rSource, SCCOL nEndX, SCROW FillCmd eFillCmd; FillDateCmd eDateCmd; double nInc; + tools::Duration aDurationInc; sal_uInt16 nMinDigits; ScUserListData* pListData = nullptr; sal_uInt16 nListIndex; @@ -1385,7 +1389,7 @@ OUString ScTable::GetAutoFillPreview( const ScRange& rSource, SCCOL nEndX, SCROW // after FillAnalyse / FillSeries fully handle them. // Now FillAnalyse called as if there are filtered rows, so it will work in the old way. FillAnalyse(nCol1, nRow1, nCol2, nRow2, eFillCmd, eDateCmd, - nInc, nMinDigits, pListData, nListIndex, + nInc, aDurationInc, nMinDigits, pListData, nListIndex, true, bSkipOverlappedCells, aNonOverlappedCellIdx); if ( pListData ) // user defined list @@ -1530,9 +1534,18 @@ OUString ScTable::GetAutoFillPreview( const ScRange& rSource, SCCOL nEndX, SCROW nStart = 0.0; if ( eFillCmd == FILL_LINEAR ) { - double nAdd = nInc; - bValueOk = ( SubTotal::SafeMult( nAdd, static_cast<double>(nIndex) ) && - SubTotal::SafePlus( nStart, nAdd ) ); + if (aDurationInc) + { + bool bOverflow; + tools::Duration aDuration( aDurationInc.Mult( nIndex, bOverflow)); + bValueOk = SubTotal::SafePlus( nStart, aDuration.GetInDays()) && !bOverflow; + } + else + { + double nAdd = nInc; + bValueOk = ( SubTotal::SafeMult( nAdd, static_cast<double>(nIndex) ) && + SubTotal::SafePlus( nStart, nAdd ) ); + } } else // date { @@ -2153,7 +2166,8 @@ inline bool isOverflow( const double& rVal, const double& rMax, const double& rS void ScTable::FillSeries( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, sal_uInt64 nFillCount, FillDir eFillDir, FillCmd eFillCmd, FillDateCmd eFillDateCmd, - double nStepValue, double nMaxValue, sal_uInt16 nArgMinDigits, + double nStepValue, const tools::Duration& rDurationStep, + double nMaxValue, sal_uInt16 nArgMinDigits, bool bAttribs, ScProgress* pProgress, bool bSkipOverlappedCells, std::vector<sal_Int32>* pNonOverlappedCellIdx ) { @@ -2420,10 +2434,18 @@ void ScTable::FillSeries( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, // use multiplication instead of repeated addition // to avoid accumulating rounding errors nVal = nStartVal; - double nAdd = nStepValue; - if ( !SubTotal::SafeMult( nAdd, static_cast<double>(++nIndex) ) || - !SubTotal::SafePlus( nVal, nAdd ) ) - bError = true; + if (rDurationStep) + { + tools::Duration aDuration( rDurationStep.Mult( ++nIndex, bError)); + bError |= !SubTotal::SafePlus( nVal, aDuration.GetInDays()); + } + else + { + double nAdd = nStepValue; + if ( !SubTotal::SafeMult( nAdd, static_cast<double>(++nIndex) ) || + !SubTotal::SafePlus( nVal, nAdd ) ) + bError = true; + } } break; case FILL_GROWTH: @@ -2525,10 +2547,18 @@ void ScTable::FillSeries( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, // use multiplication instead of repeated addition // to avoid accumulating rounding errors nVal = nStartVal; - double nAdd = nStepValue; - if ( !SubTotal::SafeMult( nAdd, static_cast<double>(++nIndex) ) || - !SubTotal::SafePlus( nVal, nAdd ) ) - bError = true; + if (rDurationStep) + { + tools::Duration aDuration( rDurationStep.Mult( ++nIndex, bError)); + bError |= !SubTotal::SafePlus( nVal, aDuration.GetInDays()); + } + else + { + double nAdd = nStepValue; + if ( !SubTotal::SafeMult( nAdd, static_cast<double>(++nIndex) ) || + !SubTotal::SafePlus( nVal, nAdd ) ) + bError = true; + } } break; case FILL_GROWTH: @@ -2598,13 +2628,14 @@ void ScTable::FillSeries( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, void ScTable::Fill( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2, sal_uInt64 nFillCount, FillDir eFillDir, FillCmd eFillCmd, FillDateCmd eFillDateCmd, - double nStepValue, double nMaxValue, ScProgress* pProgress) + double nStepValue, const tools::Duration& rDurationStep, + double nMaxValue, ScProgress* pProgress) { if (eFillCmd == FILL_AUTO) FillAuto(nCol1, nRow1, nCol2, nRow2, nFillCount, eFillDir, pProgress); else FillSeries(nCol1, nRow1, nCol2, nRow2, nFillCount, eFillDir, - eFillCmd, eFillDateCmd, nStepValue, nMaxValue, 0, true, pProgress); + eFillCmd, eFillDateCmd, nStepValue, rDurationStep, nMaxValue, 0, true, pProgress); } void ScTable::AutoFormatArea(SCCOL nStartCol, SCROW nStartRow, SCCOL nEndCol, SCROW nEndRow, commit 69f757a4bb32a844f7754f6fc6b9970557297528 Author: Eike Rathke <er...@redhat.com> AuthorDate: Sat Jun 17 00:57:42 2023 +0200 Commit: Eike Rathke <er...@redhat.com> CommitDate: Sat Jun 17 18:04:45 2023 +0200 Related: tdf#153517 Introduce class tools::Duration Change-Id: I73ea6e162c73382ba470a306ce2852dbff3d1314 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153202 Reviewed-by: Eike Rathke <er...@redhat.com> Tested-by: Jenkins (cherry picked from commit eac63ab120a181a1dff6317ee3d223327080e992) Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153218 diff --git a/include/tools/datetime.hxx b/include/tools/datetime.hxx index dd435e3994ba..2194711dc208 100644 --- a/include/tools/datetime.hxx +++ b/include/tools/datetime.hxx @@ -26,6 +26,11 @@ #include <iomanip> +namespace tools +{ +class Duration; +} + class SAL_WARN_UNUSED TOOLS_DLLPUBLIC DateTime : public Date, public tools::Time { public: @@ -83,6 +88,8 @@ public: void AddTime( double fTimeInDays ); DateTime& operator +=( const tools::Time& rTime ); DateTime& operator -=( const tools::Time& rTime ); + /** Duration can be negative, so adding it will subtract its value. */ + DateTime& operator +=( const tools::Duration& rDuration ); private: void NormalizeTimeRemainderAndApply( tools::Time& rTime ); public: @@ -97,6 +104,8 @@ public: TOOLS_DLLPUBLIC friend double operator -( const DateTime& rDateTime1, const DateTime& rDateTime2 ); TOOLS_DLLPUBLIC friend sal_Int64 operator -( const DateTime& rDateTime, const Date& rDate ) { return static_cast<const Date&>(rDateTime) - rDate; } + /** Duration can be negative, so adding it will subtract its value. */ + TOOLS_DLLPUBLIC friend DateTime operator +( const DateTime& rDateTime, const tools::Duration& rDuration ); DateTime& operator =( const DateTime& rDateTime ); DateTime& operator =( const css::util::DateTime& rUDateTime ); diff --git a/include/tools/duration.hxx b/include/tools/duration.hxx new file mode 100644 index 000000000000..83b9d12a77b3 --- /dev/null +++ b/include/tools/duration.hxx @@ -0,0 +1,72 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#pragma once + +#include <tools/time.hxx> + +class DateTime; + +namespace tools +{ +/** Duration in days and time. Can be negative in which case days is 0 and time + is negative or both days and time are negative. +*/ +class SAL_WARN_UNUSED TOOLS_DLLPUBLIC Duration +{ +public: + Duration() {} + + /** Assumes that DateTime are normalized and there are no Time out-of-range + field values. */ + Duration(const ::DateTime& rStart, const ::DateTime& rEnd); + + /** Time can be a limited duration as well. We don't cater for out-of-range + minutes and seconds values here though. */ + Duration(const Time& rStart, const Time& rEnd); + + /** Difference in days, like DateTime()-DateTime(). */ + explicit Duration(double fTimeInDays); + + bool IsNegative() const { return mnDays < 0 || maTime.GetTime() < 0; } + sal_Int32 GetDays() const { return mnDays; } + const Time& GetTime() const { return maTime; } + double GetInDays() const { return static_cast<double>(GetDays()) + GetTime().GetTimeInDays(); } + + /** Whether a duration is set. */ + operator bool() const { return maTime.GetTime() != 0 || mnDays != 0; } + + /** Unary minus. */ + Duration operator-() const; + + /** Add a duration to this instance. */ + Duration& Add(const Duration& rDuration, bool& rbOverflow); + + /** Get multiple of duration. */ + Duration Mult(sal_Int32 nMult, bool& rbOverflow) const; + +private: + /** Internal days and Time values. */ + Duration(sal_Int32 nDays, sal_Int64 nTime); + + /** Prerequisite: mnDays is already correctly set and absolute value of + nanoseconds less than one day. */ + void ApplyTime(sal_Int64 nNS); + + /** Prerequisite: mnDays is already correctly set and Time hour values + are adjusted. */ + void SetTimeDiff(const Time& rStart, const Time& rEnd); + +private: + Time maTime = Time(0); + sal_Int32 mnDays = 0; +}; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ diff --git a/tools/CppunitTest_tools_test.mk b/tools/CppunitTest_tools_test.mk index 9cf6c671fcef..d27f8c3efa58 100644 --- a/tools/CppunitTest_tools_test.mk +++ b/tools/CppunitTest_tools_test.mk @@ -17,6 +17,7 @@ $(eval $(call gb_CppunitTest_add_exception_objects,tools_test, \ tools/qa/cppunit/test_bigint \ tools/qa/cppunit/test_date \ tools/qa/cppunit/test_time \ + tools/qa/cppunit/test_duration \ tools/qa/cppunit/test_fract \ tools/qa/cppunit/test_inetmime \ tools/qa/cppunit/test_json_writer \ diff --git a/tools/Library_tl.mk b/tools/Library_tl.mk index bccbf95a2a01..8269e6ae98bf 100644 --- a/tools/Library_tl.mk +++ b/tools/Library_tl.mk @@ -45,6 +45,7 @@ $(eval $(call gb_Library_use_libraries,tl,\ $(eval $(call gb_Library_add_exception_objects,tl,\ tools/source/datetime/datetime \ tools/source/datetime/datetimeutils \ + tools/source/datetime/duration \ tools/source/datetime/systemdatetime \ tools/source/datetime/tdate \ tools/source/datetime/ttime \ diff --git a/tools/qa/cppunit/test_duration.cxx b/tools/qa/cppunit/test_duration.cxx new file mode 100644 index 000000000000..0f5a4e002219 --- /dev/null +++ b/tools/qa/cppunit/test_duration.cxx @@ -0,0 +1,278 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include <cppunit/TestFixture.h> +#include <cppunit/extensions/HelperMacros.h> + +#include <tools/duration.hxx> +#include <tools/datetime.hxx> + +namespace tools +{ +class DurationTest : public CppUnit::TestFixture +{ +public: + void testDuration(); + + CPPUNIT_TEST_SUITE(DurationTest); + CPPUNIT_TEST(testDuration); + CPPUNIT_TEST_SUITE_END(); +}; + +void DurationTest::testDuration() +{ + { + const Duration aD(Time(0), Time(12, 0, 0)); + CPPUNIT_ASSERT_EQUAL(0.5, aD.GetInDays()); + } + { + const Duration aD(Time(24, 0, 0), Time(12, 0, 0)); + CPPUNIT_ASSERT_EQUAL(-0.5, aD.GetInDays()); + } + { + const DateTime aS(Date(23, 11, 1999), Time(6, 0, 0)); + const DateTime aE(Date(24, 11, 1999), Time(18, 0, 0)); + const Duration aD(aS, aE); + CPPUNIT_ASSERT_EQUAL(1.5, aD.GetInDays()); + DateTime aDT1(aS); + const DateTime aDT2 = aDT1 + aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT2); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT1); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(DateTime(Date(26, 11, 1999), Time(6, 0, 0)), aDT1); + } + { + const DateTime aS(Date(23, 11, 1999), Time(18, 0, 0)); + const DateTime aE(Date(24, 11, 1999), Time(6, 0, 0)); + const Duration aD(aS, aE); + CPPUNIT_ASSERT_EQUAL(0.5, aD.GetInDays()); + DateTime aDT1(aS); + const DateTime aDT2 = aDT1 + aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT2); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT1); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(DateTime(Date(24, 11, 1999), Time(18, 0, 0)), aDT1); + } + { + const DateTime aS(Date(24, 11, 1999), Time(18, 0, 0)); + const DateTime aE(Date(23, 11, 1999), Time(6, 0, 0)); + const Duration aD(aS, aE); + CPPUNIT_ASSERT_EQUAL(-1.5, aD.GetInDays()); + DateTime aDT1(aS); + const DateTime aDT2 = aDT1 + aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT2); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT1); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(DateTime(Date(21, 11, 1999), Time(18, 0, 0)), aDT1); + } + { + const DateTime aS(Date(24, 11, 1999), Time(6, 0, 0)); + const DateTime aE(Date(23, 11, 1999), Time(18, 0, 0)); + const Duration aD(aS, aE); + CPPUNIT_ASSERT_EQUAL(-0.5, aD.GetInDays()); + DateTime aDT1(aS); + const DateTime aDT2 = aDT1 + aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT2); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(aE, aDT1); + aDT1 += aD; + CPPUNIT_ASSERT_EQUAL(DateTime(Date(23, 11, 1999), Time(6, 0, 0)), aDT1); + } + { + const Duration aD(1.5); + CPPUNIT_ASSERT_EQUAL(1.5, aD.GetInDays()); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(24, 11, 1999), Time(18, 0, 0)), + DateTime(Date(23, 11, 1999), Time(6, 0, 0)) + aD); + } + { + const Duration aD(-1.5); + CPPUNIT_ASSERT_EQUAL(-1.5, aD.GetInDays()); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(23, 11, 1999), Time(6, 0, 0)), + DateTime(Date(24, 11, 1999), Time(18, 0, 0)) + aD); + } + { + const Duration aD(-1.5); + const Duration aN = -aD; + CPPUNIT_ASSERT_EQUAL(1.5, aN.GetInDays()); + } + { // Add() + const DateTime aS(Date(23, 11, 1999), Time(0, 0, 0)); + const DateTime aE(Date(23, 11, 1999), Time(1, 23, 45)); + const Duration aD(aS, aE); + Duration aV = aD; + bool bOverflow = true; + aV.Add(aD, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(23, 11, 1999), Time(2, 47, 30)), + DateTime(Date(23, 11, 1999), Time(0, 0, 0)) + aV); + for (int i = 0; i < 20; ++i) + aV.Add(aD, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(24, 11, 1999), Time(6, 42, 30)), + DateTime(Date(23, 11, 1999), Time(0, 0, 0)) + aV); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(1), aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(6), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(42), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(30), aV.GetTime().GetSec()); + CPPUNIT_ASSERT(aV.GetTime().GetTime() > 0); + CPPUNIT_ASSERT_DOUBLES_EQUAL(1.27951388888889, aV.GetInDays(), 1E-14); + // Negative duration. + const Duration aN(aE, aS); + aV = aN; + aV.Add(aN, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(22, 11, 1999), Time(21, 12, 30)), + DateTime(Date(23, 11, 1999), Time(0, 0, 0)) + aV); + for (int i = 0; i < 20; ++i) + aV.Add(aN, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(21, 11, 1999), Time(17, 17, 30)), + DateTime(Date(23, 11, 1999), Time(0, 0, 0)) + aV); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(-1), aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(6), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(42), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(30), aV.GetTime().GetSec()); + CPPUNIT_ASSERT(aV.GetTime().GetTime() < 0); + CPPUNIT_ASSERT_DOUBLES_EQUAL(-1.27951388888889, aV.GetInDays(), 1E-14); + } + { // Mult() + const DateTime aS(Date(23, 11, 1999), Time(0, 0, 0)); + const DateTime aE(Date(23, 11, 1999), Time(1, 23, 45)); + const Duration aD(aS, aE); + bool bOverflow = true; + Duration aV = aD.Mult(22, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(24, 11, 1999), Time(6, 42, 30)), + DateTime(Date(23, 11, 1999), Time(0, 0, 0)) + aV); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(1), aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(6), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(42), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(30), aV.GetTime().GetSec()); + CPPUNIT_ASSERT(aV.GetTime().GetTime() > 0); + CPPUNIT_ASSERT_DOUBLES_EQUAL(1.27951388888889, aV.GetInDays(), 1E-14); + // Negative duration. + const Duration aN(aE, aS); + bOverflow = true; + aV = aN.Mult(22, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_EQUAL(DateTime(Date(21, 11, 1999), Time(17, 17, 30)), + DateTime(Date(23, 11, 1999), Time(0, 0, 0)) + aV); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(-1), aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(6), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(42), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(30), aV.GetTime().GetSec()); + CPPUNIT_ASSERT(aV.GetTime().GetTime() < 0); + CPPUNIT_ASSERT_DOUBLES_EQUAL(-1.27951388888889, aV.GetInDays(), 1E-14); + } + { // Mult() including days. + const Duration aD(1.5); + bool bOverflow = true; + Duration aV = aD.Mult(10, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_DOUBLES_EQUAL(15.0, aV.GetInDays(), 0.0); + } + { // Mult() including days. + const Duration aD(-1.5); + bool bOverflow = true; + Duration aV = aD.Mult(10, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_DOUBLES_EQUAL(-15.0, aV.GetInDays(), 0.0); + } + { // Mult() including days. + const Duration aD(1.5); + bool bOverflow = true; + Duration aV = aD.Mult(-10, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_DOUBLES_EQUAL(-15.0, aV.GetInDays(), 0.0); + } + { // Mult() including days. + const Duration aD(-1.5); + bool bOverflow = true; + Duration aV = aD.Mult(-10, bOverflow); + CPPUNIT_ASSERT(!bOverflow); + CPPUNIT_ASSERT_DOUBLES_EQUAL(15.0, aV.GetInDays(), 0.0); + } + { // Mult() with overflow. + const Duration aD(SAL_MAX_INT32); + bool bOverflow = false; + Duration aV = aD.Mult(2, bOverflow); + CPPUNIT_ASSERT(bOverflow); + CPPUNIT_ASSERT_EQUAL(SAL_MAX_INT32, aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(23), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetSec()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(Time::nanoSecPerSec - 1), + aV.GetTime().GetNanoSec()); + } + { // Mult() with overflow. + const Duration aD(SAL_MIN_INT32); + bool bOverflow = false; + Duration aV = aD.Mult(2, bOverflow); + CPPUNIT_ASSERT(bOverflow); + CPPUNIT_ASSERT_EQUAL(SAL_MIN_INT32, aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(23), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetSec()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(Time::nanoSecPerSec - 1), + aV.GetTime().GetNanoSec()); + } + { // Mult() with overflow. + const Duration aD(SAL_MAX_INT32); + bool bOverflow = false; + Duration aV = aD.Mult(-2, bOverflow); + CPPUNIT_ASSERT(bOverflow); + CPPUNIT_ASSERT_EQUAL(SAL_MIN_INT32, aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(23), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetSec()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(Time::nanoSecPerSec - 1), + aV.GetTime().GetNanoSec()); + } + { // Mult() with overflow. + const Duration aD(SAL_MIN_INT32); + bool bOverflow = false; + Duration aV = aD.Mult(-2, bOverflow); + CPPUNIT_ASSERT(bOverflow); + CPPUNIT_ASSERT_EQUAL(SAL_MAX_INT32, aV.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(23), aV.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(59), aV.GetTime().GetSec()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(Time::nanoSecPerSec - 1), + aV.GetTime().GetNanoSec()); + } + { // Inaccurate double yielding exact duration. + const Time aS(15, 0, 0); + const Time aE(16, 0, 0); + const Duration aD(aE.GetTimeInDays() - aS.GetTimeInDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), aD.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(1), aD.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(0), aD.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(0), aD.GetTime().GetSec()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(0), aD.GetTime().GetNanoSec()); + } + { // Inaccurate double yielding exact duration, negative. + const Time aS(15, 0, 0); + const Time aE(16, 0, 0); + const Duration aD(aS.GetTimeInDays() - aE.GetTimeInDays()); + CPPUNIT_ASSERT(aD.IsNegative()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), aD.GetDays()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(1), aD.GetTime().GetHour()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(0), aD.GetTime().GetMin()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(0), aD.GetTime().GetSec()); + CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(0), aD.GetTime().GetNanoSec()); + } +} + +CPPUNIT_TEST_SUITE_REGISTRATION(DurationTest); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ diff --git a/tools/source/datetime/datetime.cxx b/tools/source/datetime/datetime.cxx index 47dc0555bc87..ec2c53673b17 100644 --- a/tools/source/datetime/datetime.cxx +++ b/tools/source/datetime/datetime.cxx @@ -17,6 +17,7 @@ * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include <tools/datetime.hxx> +#include <tools/duration.hxx> #include <rtl/math.hxx> #include <sal/log.hxx> @@ -136,6 +137,13 @@ DateTime& DateTime::operator -=( const tools::Time& rTime ) return *this; } +DateTime& DateTime::operator +=( const tools::Duration& rDuration ) +{ + AddDays(rDuration.GetDays()); + operator+=(rDuration.GetTime()); + return *this; +} + DateTime operator +( const DateTime& rDateTime, sal_Int32 nDays ) { DateTime aDateTime( rDateTime ); @@ -164,27 +172,19 @@ DateTime operator -( const DateTime& rDateTime, const tools::Time& rTime ) return aDateTime; } +DateTime operator +( const DateTime& rDateTime, const tools::Duration& rDuration ) +{ + DateTime aDateTime(rDateTime); + aDateTime.AddDays( rDuration.GetDays()); + aDateTime += rDuration.GetTime(); + return aDateTime; +} + void DateTime::AddTime( double fTimeInDays ) { - double fInt, fFrac; - if ( fTimeInDays < 0.0 ) - { - fInt = ::rtl::math::approxCeil( fTimeInDays ); - fFrac = fInt <= fTimeInDays ? 0.0 : fTimeInDays - fInt; - } - else - { - fInt = ::rtl::math::approxFloor( fTimeInDays ); - fFrac = fInt >= fTimeInDays ? 0.0 : fTimeInDays - fInt; - } - AddDays( sal_Int32(fInt) ); // full days - if ( fFrac ) - { - tools::Time aTime(0); // default ctor calls system time, we don't need that - fFrac *= ::tools::Time::nanoSecPerDay; // time expressed in nanoseconds - aTime.MakeTimeFromNS( static_cast<sal_Int64>(fFrac) ); // method handles negative ns - operator+=( aTime ); - } + // Use Duration to diminish floating point accuracy errors. + tools::Duration aDuration(fTimeInDays); + operator+=(aDuration); } DateTime operator +( const DateTime& rDateTime, double fTimeInDays ) diff --git a/tools/source/datetime/duration.cxx b/tools/source/datetime/duration.cxx new file mode 100644 index 000000000000..07f79929177f --- /dev/null +++ b/tools/source/datetime/duration.cxx @@ -0,0 +1,256 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include <tools/duration.hxx> +#include <tools/datetime.hxx> +#include <rtl/math.hxx> +#include <o3tl/safeint.hxx> +#include <cmath> + +namespace tools +{ +Duration::Duration(const ::DateTime& rStart, const ::DateTime& rEnd) + : mnDays(static_cast<const Date&>(rEnd) - static_cast<const Date&>(rStart)) +{ + SetTimeDiff(rStart, rEnd); +} + +Duration::Duration(const Time& rStart, const Time& rEnd) +{ + const sal_uInt16 nStartHour = rStart.GetHour(); + const sal_uInt16 nEndHour = rEnd.GetHour(); + if (nStartHour >= 24 || nEndHour >= 24) + { + Time aEnd(rEnd); + if (nEndHour >= 24) + { + mnDays = (nEndHour / 24) * (aEnd.GetTime() < 0 ? -1 : 1); + aEnd.SetHour(nEndHour % 24); + } + Time aStart(rStart); + if (nStartHour >= 24) + { + mnDays -= (nStartHour / 24) * (aStart.GetTime() < 0 ? -1 : 1); + aStart.SetHour(nStartHour % 24); + } + SetTimeDiff(aStart, aEnd); + } + else + { + SetTimeDiff(rStart, rEnd); + } +} + +Duration::Duration(double fTimeInDays) +{ + double fInt, fFrac; + if (fTimeInDays < 0.0) + { + fInt = ::rtl::math::approxCeil(fTimeInDays); + fFrac = fInt <= fTimeInDays ? 0.0 : fTimeInDays - fInt; + } + else + { + fInt = ::rtl::math::approxFloor(fTimeInDays); + fFrac = fInt >= fTimeInDays ? 0.0 : fTimeInDays - fInt; + } + mnDays = static_cast<sal_Int32>(fInt); + if (fFrac) + { + fFrac *= Time::nanoSecPerDay; + fFrac = ::rtl::math::approxFloor(fFrac); + sal_Int64 nNS = static_cast<sal_Int64>(fFrac); + // Round by 1 nanosecond if it's just 1 off to a second, i.e. + // 0999999999 or 0000000001. This could be losened to rounding by 2 or + // such if necessary. + const sal_Int64 nN = nNS % Time::nanoSecPerSec; + if (std::abs(nN) == 1) + nNS -= (nNS < 0) ? -1 : 1; + else if (std::abs(nN) == Time::nanoSecPerSec - 1) + { + nNS += (nNS < 0) ? -1 : 1; + if (std::abs(nNS) >= Time::nanoSecPerDay) + { + mnDays += nNS / Time::nanoSecPerDay; + nNS %= Time::nanoSecPerDay; + } + } + maTime.MakeTimeFromNS(nNS); + assert(mnDays == 0 || maTime.GetTime() == 0 || (mnDays < 0) == (nNS < 0)); + } +} + +Duration::Duration(sal_Int32 nDays, sal_Int64 nTime) + : maTime(nTime) + , mnDays(nDays) +{ +} + +void Duration::ApplyTime(sal_Int64 nNS) +{ + if (mnDays > 0 && nNS < 0) + { + --mnDays; + nNS = Time::nanoSecPerDay + nNS; + } + else if (mnDays < 0 && nNS > 0) + { + ++mnDays; + nNS = -Time::nanoSecPerDay + nNS; + } + maTime.MakeTimeFromNS(nNS); + assert(mnDays == 0 || maTime.GetTime() == 0 || (mnDays < 0) == (nNS < 0)); +} + +void Duration::SetTimeDiff(const Time& rStart, const Time& rEnd) +{ + const sal_Int64 nNS = rEnd.GetNSFromTime() - rStart.GetNSFromTime(); + ApplyTime(nNS); +} + +Duration Duration::operator-() const +{ + Duration aD(-mnDays, -maTime.GetTime()); + return aD; +} + +Duration& Duration::Add(const Duration& rDuration, bool& rbOverflow) +{ + rbOverflow = o3tl::checked_add(mnDays, rDuration.mnDays, mnDays); + // Duration is always normalized, time values >= 24h don't occur. + sal_Int64 nNS = maTime.GetNSFromTime() + rDuration.maTime.GetNSFromTime(); + if (nNS < -Time::nanoSecPerDay) + { + rbOverflow |= o3tl::checked_sub(mnDays, sal_Int32(1), mnDays); + nNS += Time::nanoSecPerDay; + } + else if (nNS > Time::nanoSecPerDay) + { + rbOverflow |= o3tl::checked_add(mnDays, sal_Int32(1), mnDays); + nNS -= Time::nanoSecPerDay; + } + ApplyTime(nNS); + return *this; +} + +Duration Duration::Mult(sal_Int32 nMult, bool& rbOverflow) const +{ + // First try a simple calculation in nanoseconds. + bool bBadNS = false; + sal_Int64 nNS; + sal_Int64 nDays; + if (o3tl::checked_multiply(static_cast<sal_Int64>(mnDays), static_cast<sal_Int64>(nMult), nDays) + || o3tl::checked_multiply(nDays, Time::nanoSecPerDay, nDays) + || o3tl::checked_multiply(maTime.GetNSFromTime(), static_cast<sal_Int64>(nMult), nNS) + || o3tl::checked_add(nDays, nNS, nNS)) + { + bBadNS = rbOverflow = true; + } + else + { + const sal_Int64 nD = nNS / Time::nanoSecPerDay; + if (nD < SAL_MIN_INT32 || SAL_MAX_INT32 < nD) + rbOverflow = true; + else + { + rbOverflow = false; + nNS -= nD * Time::nanoSecPerDay; + Duration aD(static_cast<sal_Int32>(nD), 0); + aD.ApplyTime(nNS); + return aD; + } + } + if (bBadNS) + { + // Simple calculation in overall nanoseconds overflew, try with + // individual components. + const sal_uInt64 nMult64 = (nMult < 0) ? -nMult : nMult; + do + { + rbOverflow = true; + sal_uInt64 nN; + if (o3tl::checked_multiply(static_cast<sal_uInt64>(maTime.GetNanoSec()), nMult64, nN)) + break; + sal_uInt64 nS; + if (o3tl::checked_multiply(static_cast<sal_uInt64>(maTime.GetSec()), nMult64, nS)) + break; + sal_uInt64 nM; + if (o3tl::checked_multiply(static_cast<sal_uInt64>(maTime.GetMin()), nMult64, nM)) + break; + sal_uInt64 nH; + if (o3tl::checked_multiply(static_cast<sal_uInt64>(maTime.GetHour()), nMult64, nH)) + break; + sal_uInt64 nD; + if (o3tl::checked_multiply(static_cast<sal_uInt64>(mnDays < 0 ? -mnDays : mnDays), + nMult64, nD)) + break; + if (nN > Time::nanoSecPerSec) + { + const sal_uInt64 nC = nN / Time::nanoSecPerSec; + if (o3tl::checked_add(nS, nC, nS)) + break; + nN -= nC * Time::nanoSecPerSec; + } + if (nS > Time::secondPerMinute) + { + const sal_uInt64 nC = nS / Time::secondPerMinute; + if (o3tl::checked_add(nM, nC, nM)) + break; + nS -= nC * Time::secondPerMinute; + } + if (nM > Time::minutePerHour) + { + const sal_uInt64 nC = nM / Time::minutePerHour; + if (o3tl::checked_add(nH, nC, nH)) + break; + nM -= nC * Time::minutePerHour; + } + if (nH > Time::hourPerDay) + { + const sal_uInt64 nC = nH / Time::hourPerDay; + if (o3tl::checked_add(nD, nC, nD)) + break; + nH -= nC * Time::hourPerDay; + } + if (IsNegative() ? (static_cast<sal_uInt64>(SAL_MAX_INT32) + 1) < nD + || -static_cast<sal_Int64>(nD) < SAL_MIN_INT32 + : SAL_MAX_INT32 < nD) + break; + + rbOverflow = false; + Time aTime(nH, nM, nS, nN); + if (IsNegative() == (nMult < 0)) + { + Duration aD(nD, aTime.GetTime()); + return aD; + } + else + { + Duration aD(-static_cast<sal_Int64>(nD), -aTime.GetTime()); + return aD; + } + } while (false); + } + assert(rbOverflow); + if (IsNegative() == (nMult < 0)) + { + Duration aD(SAL_MAX_INT32, 0); + aD.ApplyTime(Time::nanoSecPerDay - 1); + return aD; + } + else + { + Duration aD(SAL_MIN_INT32, 0); + aD.ApplyTime(-(Time::nanoSecPerDay - 1)); + return aD; + } +} +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */