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runPosIC, VelIC, AccIC numerically correct

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This commit is contained in:
Aik-Siong Koh
2023-06-24 23:08:29 -06:00
parent 371b13a9e0
commit c30ee64b89
110 changed files with 2171 additions and 129 deletions
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6
MbDCode/GESpMatFullPv.cpp
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@@ -45,7 +45,7 @@ void MbD::GESpMatFullPv::doPivoting(int p)
positionsOfOriginalCols->at(colOrder->at(pivotCol)) = pivotCol;
}
pivotValues->at(p) = max;
if (max < singularPivotTolerance) throw SingularMatrixError("");
if (max < singularPivotTolerance) throwSingularMatrixError("");
auto jp = colOrder->at(p);
rowPositionsOfNonZerosInPivotColumn = rowPositionsOfNonZerosInColumns->at(jp);
if (rowPositionsOfNonZerosInPivotColumn->front() == p) {
@@ -120,7 +120,7 @@ void MbD::GESpMatFullPv::backSubstituteIntoDU()
}
}
auto ji = colOrder->at(i);
answerX->at(ji) = rightHandSideB->at(i) - (sum / duii);
answerX->at(ji) = (rightHandSideB->at(i) - sum) / duii;
}
}
@@ -157,7 +157,7 @@ void MbD::GESpMatFullPv::preSolvewithsaveOriginal(SpMatDsptr spMat, FColDsptr fu
auto& spRowi = spMat->at(i);
auto maxRowMagnitude = spRowi->maxMagnitude();
if (maxRowMagnitude == 0) {
throw SingularMatrixError("");
throwSingularMatrixError("");
}
matrixA->at(i) = spRowi->conditionedWithTol(singularPivotTolerance * maxRowMagnitude);
rowOrder->at(i) = i;