tesseract::IntSimdMatrixTest Class Reference

Inheritance diagram for tesseract::IntSimdMatrixTest:

Protected Member Functions
void	SetUp () override
GENERIC_2D_ARRAY< int8_t >	InitRandom (int no, int ni)
std::vector< int8_t >	RandomVector (int size, const IntSimdMatrix &matrix)
std::vector< TFloat >	RandomScales (int size)
void	ExpectEqualResults (const IntSimdMatrix &matrix)
Protected Member Functions inherited from testing::Test
	Test ()
virtual void	SetUp ()
virtual void	TearDown ()

Protected Attributes
TRand	random_

Additional Inherited Members
Public Member Functions inherited from testing::Test
virtual	~Test ()
Static Public Member Functions inherited from testing::Test
static void	SetUpTestSuite ()
static void	TearDownTestSuite ()
static void	TearDownTestCase ()
static void	SetUpTestCase ()
static bool	HasFatalFailure ()
static bool	HasNonfatalFailure ()
static bool	IsSkipped ()
static bool	HasFailure ()
static void	RecordProperty (const std::string &key, const std::string &value)
static void	RecordProperty (const std::string &key, int value)

Detailed Description

Definition at line 29 of file intsimdmatrix_test.cc.

Member Function Documentation

ExpectEqualResults()

void tesseract::IntSimdMatrixTest::ExpectEqualResults ( const IntSimdMatrix &  matrix )

inlineprotected

Definition at line 63 of file intsimdmatrix_test.cc.

                                                       {
    TFloat total = 0.0;
    for (int num_out = 1; num_out < 130; ++num_out) {
      for (int num_in = 1; num_in < 130; ++num_in) {
        GENERIC_2D_ARRAY<int8_t> w = InitRandom(num_out, num_in + 1);
        std::vector<int8_t> u = RandomVector(num_in, matrix);
        std::vector<TFloat> scales = RandomScales(num_out);
        int ro = num_out;
        if (IntSimdMatrix::intSimdMatrix) {
          ro = IntSimdMatrix::intSimdMatrix->RoundOutputs(ro);
        }
        std::vector<TFloat> base_result(num_out);
        IntSimdMatrix::MatrixDotVector(w, scales, u.data(), base_result.data());
        std::vector<TFloat> test_result(ro);
        std::vector<int8_t> shaped_wi;
        int32_t rounded_num_out;
        matrix.Init(w, shaped_wi, rounded_num_out);
        scales.resize(rounded_num_out);
        if (matrix.matrixDotVectorFunction) {
          matrix.matrixDotVectorFunction(w.dim1(), w.dim2(), &shaped_wi[0], &scales[0], &u[0],
                                         &test_result[0]);
        } else {
          IntSimdMatrix::MatrixDotVector(w, scales, u.data(), test_result.data());
        }
        for (int i = 0; i < num_out; ++i) {
          EXPECT_FLOAT_EQ(base_result[i], test_result[i]) << "i=" << i;
          total += base_result[i];
        }
      }
    }
    // Compare sum of all results with expected value.
#ifdef FAST_FLOAT
    EXPECT_FLOAT_EQ(total, 337852.16f);
#else
    EXPECT_FLOAT_EQ(total, 337849.39354684710);
#endif
  }

InitRandom()

GENERIC_2D_ARRAY< int8_t > tesseract::IntSimdMatrixTest::InitRandom ( int  no, int  ni  )

inlineprotected

Definition at line 36 of file intsimdmatrix_test.cc.

                                                      {
    GENERIC_2D_ARRAY<int8_t> a(no, ni, 0);
    for (int i = 0; i < no; ++i) {
      for (int j = 0; j < ni; ++j) {
        a(i, j) = static_cast<int8_t>(random_.SignedRand(INT8_MAX));
      }
    }
    return a;
  }

RandomScales()

std::vector< TFloat > tesseract::IntSimdMatrixTest::RandomScales ( int  size )

inlineprotected

Definition at line 55 of file intsimdmatrix_test.cc.

                                           {
    std::vector<TFloat> v(size);
    for (int i = 0; i < size; ++i) {
      v[i] = (1.0 + random_.SignedRand(1.0)) / INT8_MAX;
    }
    return v;
  }

RandomVector()

std::vector< int8_t > tesseract::IntSimdMatrixTest::RandomVector ( int  size, const IntSimdMatrix &  matrix  )

inlineprotected

Definition at line 46 of file intsimdmatrix_test.cc.

                                                                        {
    int rounded_size = matrix.RoundInputs(size);
    std::vector<int8_t> v(rounded_size, 0);
    for (int i = 0; i < size; ++i) {
      v[i] = static_cast<int8_t>(random_.SignedRand(INT8_MAX));
    }
    return v;
  }

SetUp()

void tesseract::IntSimdMatrixTest::SetUp ( )

inlineoverrideprotectedvirtual

Reimplemented from testing::Test.

Definition at line 31 of file intsimdmatrix_test.cc.

                        {
    std::locale::global(std::locale(""));
  }

Member Data Documentation

random_

TRand tesseract::IntSimdMatrixTest::random_

protected

Definition at line 101 of file intsimdmatrix_test.cc.

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The documentation for this class was generated from the following file:

• /media/home/debian/src/github/tesseract-ocr/tesseract/unittest/intsimdmatrix_test.cc