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[matrix] Fix TMatrixTSparse::SetMatrixArray for RowLwb!=0:
Addresses #13848 Thanks, Eddy!
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@@ -81,3 +81,6 @@ ROOT_STANDARD_LIBRARY_PACKAGE(Matrix | |
DICTIONARY_OPTIONS | ||
-writeEmptyRootPCM | ||
) | ||
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ROOT_ADD_TEST_SUBDIRECTORY(test) | ||
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@@ -0,0 +1,7 @@ | ||
# Copyright (C) 1995-2023, Rene Brun and Fons Rademakers. | ||
# All rights reserved. | ||
# | ||
# For the licensing terms see $ROOTSYS/LICENSE. | ||
# For the list of contributors see $ROOTSYS/README/CREDITS. | ||
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ROOT_ADD_GTEST(testMatrixTSparse testMatrixTSparse.cxx LIBRARIES Matrix) |
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// Authors: Eddy Offermann Oct 2023 | ||
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/************************************************************************* | ||
* Copyright (C) 1995-2023, Rene Brun and Fons Rademakers. * | ||
* All rights reserved. * | ||
* * | ||
* For the licensing terms see $ROOTSYS/LICENSE. * | ||
* For the list of contributors see $ROOTSYS/README/CREDITS. * | ||
*************************************************************************/ | ||
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#include "TMatrixD.h" | ||
#include "TMatrixDSparse.h" | ||
#include "TMath.h" | ||
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#include "gtest/gtest.h" | ||
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#include <array> | ||
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// https://github.com/root-project/root/issues/13848 | ||
TEST(testSparse, LwbInit) | ||
{ | ||
constexpr int msize = 5; | ||
TMatrixDSparse m1(1, 4, 0, msize - 1); | ||
{ | ||
constexpr int nr = 4 * msize; | ||
std::array<int, nr> irow; | ||
std::array<int, nr> icol; | ||
std::array<double, nr> val; | ||
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Int_t n = 0; | ||
for (int i = m1.GetRowLwb(); i <= m1.GetRowUpb(); i++) { | ||
for (int j = m1.GetColLwb(); j <= m1.GetColUpb(); j++) { | ||
irow[n] = i; | ||
icol[n] = j; | ||
val[n] = TMath::Pi() * i + TMath::E() * j; | ||
n++; | ||
} | ||
} | ||
m1.SetMatrixArray(nr, irow.data(), icol.data(), val.data()); | ||
} | ||
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TMatrixD m2(1, 4, 0, msize - 1); | ||
for (int i = m2.GetRowLwb(); i <= m2.GetRowUpb(); i++) | ||
for (int j = m2.GetColLwb(); j <= m2.GetColUpb(); j++) | ||
m2(i,j) = TMath::Pi() * i + TMath::E() * j; | ||
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EXPECT_EQ(m1, m2); | ||
} |