AllowRotation and size_t

This commit is contained in:
Aik-Siong Koh
2024-01-14 21:40:33 -07:00
committed by PaddleStroke
parent fe99ad2593
commit 85557e1fa4
285 changed files with 1854 additions and 1116 deletions

View File

@@ -13,14 +13,15 @@
using namespace MbD;
void GESpMatParPvPrecise::doPivoting(int p)
void GESpMatParPvPrecise::doPivoting(size_t p)
{
//"Search from bottom to top."
//"Use scaling vector and partial pivoting with actual swapping of rows."
//"Check for singular pivot."
//"Do scaling. Do partial pivoting."
//| max rowPivot aip mag lookForFirstNonZeroInPivotCol i |
int i, rowPivoti;
int i; //Use int because of decrement
size_t rowPivoti;
double aip, mag, max;
SpRowDsptr spRowi;
rowPositionsOfNonZerosInPivotColumn->clear();
@@ -29,7 +30,7 @@ void GESpMatParPvPrecise::doPivoting(int p)
while (lookForFirstNonZeroInPivotCol) {
spRowi = matrixA->at(i);
if (spRowi->find(p) == spRowi->end()) {
if (i <= p) throwSingularMatrixError("doPivoting");
if (i <= (int)p) throwSingularMatrixError("doPivoting"); //Use int because i can be negative
}
else {
markowitzPivotColCount = 0;
@@ -37,12 +38,12 @@ void GESpMatParPvPrecise::doPivoting(int p)
mag = aip * rowScalings->at(i);
if (mag < 0) mag = -mag;
max = mag;
rowPivoti = i;
rowPivoti = (size_t)i;
lookForFirstNonZeroInPivotCol = false;
}
i--;
}
while (i >= p) {
while (i >= (int)p) { //Use int because i can be negative
spRowi = matrixA->at(i);
if (spRowi->find(p) == spRowi->end()) {
aip = std::numeric_limits<double>::min();
@@ -55,7 +56,7 @@ void GESpMatParPvPrecise::doPivoting(int p)
if (mag > max) {
max = mag;
rowPositionsOfNonZerosInPivotColumn->push_back(rowPivoti);
rowPivoti = i;
rowPivoti = (size_t)i;
}
else {
rowPositionsOfNonZerosInPivotColumn->push_back(i);
@@ -84,8 +85,8 @@ void GESpMatParPvPrecise::preSolvewithsaveOriginal(SpMatDsptr spMat, FColDsptr f
matrixA = std::make_shared<SparseMatrix<double>>(m);
rowScalings = std::make_shared<FullColumn<double>>(m);
pivotValues = std::make_shared<FullColumn<double>>(m);
rowOrder = std::make_shared<FullColumn<int>>(m);
rowPositionsOfNonZerosInPivotColumn = std::make_shared<std::vector<int>>();
rowOrder = std::make_shared<FullColumn<size_t>>(m);
rowPositionsOfNonZerosInPivotColumn = std::make_shared<std::vector<size_t>>();
}
if (saveOriginal) {
rightHandSideB = fullCol->copy();
@@ -93,7 +94,7 @@ void GESpMatParPvPrecise::preSolvewithsaveOriginal(SpMatDsptr spMat, FColDsptr f
else {
rightHandSideB = fullCol;
}
for (int i = 0; i < m; i++)
for (size_t i = 0; i < m; i++)
{
auto& spRowi = spMat->at(i);
double maxRowMagnitude = spRowi->maxMagnitude();