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Add sort, sortrows, median and their unit test.

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This commit is contained in:
Krad
2023-04-25 09:41:40 +08:00
parent 37ffe9b51b
commit 55d27f25d7
3 changed files with 164 additions and 1 deletions
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93
src/Function2D.cpp
View File

@@ -424,4 +424,95 @@ Matrix Aurora::mean(const Matrix &aMatrix, FunctionDirection direction, bool aIn
}
}
}
}
}
Matrix Aurora::sort(const Matrix &aMatrix) {
if (aMatrix.getDimSize(2)>1 || aMatrix.isComplex()) {
std::cerr
<< (aMatrix.getDimSize(2) > 1 ? "sort() not support 3D data!" : "sort() not support complex value type!")
<< std::endl;
return Matrix();
}
return sort(std::forward<Matrix &&>(aMatrix.deepCopy()));
}
Matrix Aurora::sort(Matrix &&aMatrix) {
if (aMatrix.getDimSize(2)>1 || aMatrix.isComplex()) {
std::cerr
<< (aMatrix.getDimSize(2) > 1 ? "sort() not support 3D data!" : "sort() not support complex value type!")
<< std::endl;
return Matrix();
}
if (aMatrix.getDimSize(0)>=100000){
#pragma omp parallel for
for (int i = 0; i < aMatrix.getDimSize(1); ++i) {
Eigen::Map<Eigen::VectorXd> srcV(aMatrix.getData()+i*aMatrix.getDimSize(0),aMatrix.getDimSize(0));
std::sort(srcV.array().begin(),srcV.array().end());
}
}
else
{
for (int i = 0; i < aMatrix.getDimSize(1); ++i) {
Eigen::Map<Eigen::VectorXd> srcV(aMatrix.getData()+i*aMatrix.getDimSize(0),aMatrix.getDimSize(0));
std::sort(srcV.array().begin(),srcV.array().end());
}
}
return aMatrix;
}
Matrix Aurora::sortrows(const Matrix &aMatrix) {
if (aMatrix.getDimSize(2)>1 || aMatrix.isComplex()) {
std::cerr
<< (aMatrix.getDimSize(2) > 1 ? "sortrows() not support 3D data!" : "sortrows() not support complex value type!")
<< std::endl;
return Matrix();
}
return sortrows(std::forward<Matrix &&>(aMatrix.deepCopy()));
}
Matrix Aurora::sortrows(Matrix &&aMatrix) {
if (aMatrix.getDimSize(2)>1 || aMatrix.isComplex()) {
std::cerr
<< (aMatrix.getDimSize(2) > 1 ? "sortrows() not support 3D data!" : "sortrows() not support complex value type!")
<< std::endl;
return Matrix();
}
Eigen::Map<Eigen::MatrixXd> srcM(aMatrix.getData(),aMatrix.getDimSize(0),aMatrix.getDimSize(1));
if (aMatrix.getDimSize(1)>=100000){
#pragma omp parallel for
for (int i = 0; i < aMatrix.getDimSize(0); ++i) {
std::sort(srcM.row(i).array().begin(),srcM.row(i).array().end());
}
}
else
{
for (int i = 0; i < aMatrix.getDimSize(0); ++i) {
std::sort(srcM.row(i).array().begin(),srcM.row(i).array().end());
}
}
return aMatrix;
}
Matrix Aurora::median(const Matrix &aMatrix) {
if (aMatrix.getDimSize(2) > 1 || aMatrix.isComplex()) {
std::cerr
<< (aMatrix.getDimSize(2) > 1 ? "median() not support 3D data!"
: "median() not support complex value type!")
<< std::endl;
return Matrix();
}
Matrix sorted = sort(aMatrix);
Eigen::Map<Eigen::MatrixXd> srcM(sorted.getData(),sorted.getDimSize(0),sorted.getDimSize(1));
bool flag = aMatrix.getDimSize(0) % 2 == 1;
double* ret = malloc(aMatrix.getDimSize(1));
Eigen::Map<Eigen::VectorXd> retV(ret,aMatrix.getDimSize(1));
if (flag) {
retV = srcM.row(aMatrix.getDimSize(0)/2);
return Matrix::New(ret,1,aMatrix.getDimSize(1));
} else {
retV = (srcM.row(aMatrix.getDimSize(0)/2-1).array()+srcM.row(aMatrix.getDimSize(0)/2).array())/2;
return Matrix::New(ret,1,aMatrix.getDimSize(1));
}
}

7
src/Function2D.h
View File

@@ -64,6 +64,13 @@ namespace Aurora {
*/
Matrix mean(const Matrix& aMatrix,FunctionDirection direction = Column, bool aIncludeNan = true);
Matrix sort(const Matrix& aMatrix);
Matrix sort(Matrix&& aMatrix);
Matrix sortrows(const Matrix& aMatrix);
Matrix sortrows(Matrix&& aMatrix);
Matrix median(const Matrix& aMatrix);
};

65
test/Function2D_Test.cpp
View File

@@ -245,6 +245,71 @@ TEST_F(Function2D_Test, mean) {
}
}
TEST_F(Function2D_Test, sort) {
double *dataB = new double[16]{1.1, 2.6, 6.2, 3.8,
4.3, 10.6, 5.7, 6.9,
7.1, 8.3, 9.7, 11.2,
17.8, 13.3,7 , -7.7};
auto B = Aurora::Matrix::fromRawData(dataB, 4, 4);
auto ret = Aurora::sort(B);
EXPECT_EQ(4, ret.getDimSize(0));
EXPECT_EQ(4, ret.getDimSize(1));
EXPECT_DOUBLE_EQ(3.8, ret.getData()[2]);
EXPECT_DOUBLE_EQ(5.7, ret.getData()[5]);
EXPECT_DOUBLE_EQ(-7.7, ret.getData()[12]);
ret = Aurora::sort(B*5);
EXPECT_EQ(4, ret.getDimSize(0));
EXPECT_EQ(4, ret.getDimSize(1));
EXPECT_DOUBLE_EQ(19, ret.getData()[2]);
EXPECT_DOUBLE_EQ(28.5, ret.getData()[5]);
EXPECT_DOUBLE_EQ(-38.5, ret.getData()[12]);
//big sort 10w以上多线程快
double * dataA = Aurora::random(1000000*4);
auto A = Aurora::Matrix::New(dataA, 1000000, 4);
ret = Aurora::sort(A);
}
TEST_F(Function2D_Test, sortrows) {
double *dataB = new double[16]{1.1, 2.6, 6.2, 3.8,
4.3, 10.6, 5.7, 6.9,
7.1, 8.3, 9.7, 11.2,
17.8, 13.3,7 , -7.7};
auto B = Aurora::Matrix::fromRawData(dataB, 4, 4);
auto ret = Aurora::sortrows(B);
EXPECT_EQ(4, ret.getDimSize(0));
EXPECT_EQ(4, ret.getDimSize(1));
EXPECT_DOUBLE_EQ(5.7, ret.getData()[2]);
EXPECT_DOUBLE_EQ(8.3, ret.getData()[5]);
EXPECT_DOUBLE_EQ(17.8, ret.getData()[12]);
ret = Aurora::sortrows(B*5);
EXPECT_EQ(4, ret.getDimSize(0));
EXPECT_EQ(4, ret.getDimSize(1));
EXPECT_DOUBLE_EQ(28.5, ret.getData()[2]);
EXPECT_DOUBLE_EQ(41.5, ret.getData()[5]);
EXPECT_DOUBLE_EQ(89, ret.getData()[12]);
//big sort 10w以上多线程快
double * dataA = Aurora::random(1000000*4);
auto A = Aurora::Matrix::New(dataA, 4, 1000000);
ret = Aurora::sortrows(A);
}
TEST_F(Function2D_Test, median) {
double *dataB = new double[20]{1.1, 2.6, 3.8, 6.2,
4.3, 5.7, 6.9, 10.6,
7.1, 8.3, 9.7, 11.2,
17.8, 13.3,26.5 , -7.7,
9.9, 8.2, 6.3, 5.1};
auto B = Aurora::Matrix::fromRawData(dataB, 4, 5);
auto ret = Aurora::median(B);
EXPECT_EQ(1, ret.getDimSize(0));
EXPECT_EQ(5, ret.getDimSize(1));
EXPECT_DOUBLE_EQ(3.2, ret.getData()[0]);
EXPECT_DOUBLE_EQ(6.3, ret.getData()[1]);
EXPECT_DOUBLE_EQ(9, ret.getData()[2]);
EXPECT_DOUBLE_EQ(15.55, ret.getData()[3]);
EXPECT_DOUBLE_EQ(7.25, ret.getData()[4]);
}
TEST_F(Function2D_Test, fftAndComplexAndIfft){
// double input[10]{1,1,0,2,2,0,1,1,0,2};
// std::complex<double>* complexInput = Aurora::complex(10,input);