tesseract 5.2.0
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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< TFloatRandomScales (int size)
 
void ExpectEqualResults (const IntSimdMatrix &matrix)
 

Protected Attributes

TRand random_
 

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.

63 {
64 TFloat total = 0.0;
65 for (int num_out = 1; num_out < 130; ++num_out) {
66 for (int num_in = 1; num_in < 130; ++num_in) {
67 GENERIC_2D_ARRAY<int8_t> w = InitRandom(num_out, num_in + 1);
68 std::vector<int8_t> u = RandomVector(num_in, matrix);
69 std::vector<TFloat> scales = RandomScales(num_out);
70 int ro = num_out;
73 }
74 std::vector<TFloat> base_result(num_out);
75 IntSimdMatrix::MatrixDotVector(w, scales, u.data(), base_result.data());
76 std::vector<TFloat> test_result(ro);
77 std::vector<int8_t> shaped_wi;
78 int32_t rounded_num_out;
79 matrix.Init(w, shaped_wi, rounded_num_out);
80 scales.resize(rounded_num_out);
81 if (matrix.matrixDotVectorFunction) {
82 matrix.matrixDotVectorFunction(w.dim1(), w.dim2(), &shaped_wi[0], &scales[0], &u[0],
83 &test_result[0]);
84 } else {
85 IntSimdMatrix::MatrixDotVector(w, scales, u.data(), test_result.data());
86 }
87 for (int i = 0; i < num_out; ++i) {
88 EXPECT_FLOAT_EQ(base_result[i], test_result[i]) << "i=" << i;
89 total += base_result[i];
90 }
91 }
92 }
93 // Compare sum of all results with expected value.
94#ifdef FAST_FLOAT
95 EXPECT_FLOAT_EQ(total, 337852.16f);
96#else
97 EXPECT_FLOAT_EQ(total, 337849.39354684710);
98#endif
99 }
double TFloat
Definition: tesstypes.h:39
int RoundOutputs(int size) const
Definition: intsimdmatrix.h:74
static void MatrixDotVector(const GENERIC_2D_ARRAY< int8_t > &w, const std::vector< TFloat > &scales, const int8_t *u, TFloat *v)
static const IntSimdMatrix * intSimdMatrix
std::vector< int8_t > RandomVector(int size, const IntSimdMatrix &matrix)
std::vector< TFloat > RandomScales(int size)
GENERIC_2D_ARRAY< int8_t > InitRandom(int no, int ni)

◆ InitRandom()

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

Definition at line 36 of file intsimdmatrix_test.cc.

36 {
37 GENERIC_2D_ARRAY<int8_t> a(no, ni, 0);
38 for (int i = 0; i < no; ++i) {
39 for (int j = 0; j < ni; ++j) {
40 a(i, j) = static_cast<int8_t>(random_.SignedRand(INT8_MAX));
41 }
42 }
43 return a;
44 }
double SignedRand(double range)
Definition: helpers.h:76

◆ RandomScales()

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

Definition at line 55 of file intsimdmatrix_test.cc.

55 {
56 std::vector<TFloat> v(size);
57 for (int i = 0; i < size; ++i) {
58 v[i] = (1.0 + random_.SignedRand(1.0)) / INT8_MAX;
59 }
60 return v;
61 }

◆ RandomVector()

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

Definition at line 46 of file intsimdmatrix_test.cc.

46 {
47 int rounded_size = matrix.RoundInputs(size);
48 std::vector<int8_t> v(rounded_size, 0);
49 for (int i = 0; i < size; ++i) {
50 v[i] = static_cast<int8_t>(random_.SignedRand(INT8_MAX));
51 }
52 return v;
53 }

◆ SetUp()

void tesseract::IntSimdMatrixTest::SetUp ( )
inlineoverrideprotected

Definition at line 31 of file intsimdmatrix_test.cc.

31 {
32 std::locale::global(std::locale(""));
33 }

Member Data Documentation

◆ random_

TRand tesseract::IntSimdMatrixTest::random_
protected

Definition at line 101 of file intsimdmatrix_test.cc.


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