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Improved unit test repeatability.

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This commit is contained in:
Davis King 2012-12-28 14:50:30 -05:00
parent 7087d75369
commit af7fcb0e09
1 changed files with 7 additions and 6 deletions
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13
dlib/test/svm_c_linear_dcd.cpp
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@ -61,7 +61,7 @@ namespace
for (int j = 0; j < 5; ++j) for (int j = 0; j < 5; ++j)
{ {
int idx = rnd.get_random_32bit_number()%10; int idx = rnd.get_random_32bit_number()%10;
double value = static_cast<double>(std::rand())/RAND_MAX; double value = rnd.get_random_double();
sample[idx] = label*value; sample[idx] = label*value;
} }
@ -106,7 +106,7 @@ namespace
svm_c_linear_dcd_trainer<kernel_type>::optimizer_state state; svm_c_linear_dcd_trainer<kernel_type>::optimizer_state state;
const double C = 0.1; const double C = 1.0;
linear_trainer.set_epsilon(1e-10); linear_trainer.set_epsilon(1e-10);
linear_trainer_cpa.set_epsilon(1e-10); linear_trainer_cpa.set_epsilon(1e-10);
@ -135,7 +135,7 @@ namespace
for (int j = 0; j < 5; ++j) for (int j = 0; j < 5; ++j)
{ {
int idx = rnd.get_random_32bit_number()%9; int idx = rnd.get_random_32bit_number()%9;
double value = static_cast<double>(std::rand())/RAND_MAX; double value = rnd.get_random_double();
sample(idx) = label*value; sample(idx) = label*value;
} }
@ -210,7 +210,7 @@ namespace
for (int j = 0; j < 5; ++j) for (int j = 0; j < 5; ++j)
{ {
int idx = rnd.get_random_32bit_number()%10; int idx = rnd.get_random_32bit_number()%10;
double value = static_cast<double>(std::rand())/RAND_MAX; double value = rnd.get_random_double();
sample(idx) = label*value; sample(idx) = label*value;
} }
@ -244,6 +244,7 @@ namespace
void test_normal_force_last_weight(bool have_bias, bool force_weight) void test_normal_force_last_weight(bool have_bias, bool force_weight)
{ {
typedef matrix<double,10,1> sample_type; typedef matrix<double,10,1> sample_type;
dlog << LINFO << "have_bias: "<< have_bias << " force_weight: "<< force_weight;
typedef linear_kernel<sample_type> kernel_type; typedef linear_kernel<sample_type> kernel_type;
@ -285,7 +286,7 @@ namespace
for (int j = 0; j < 5; ++j) for (int j = 0; j < 5; ++j)
{ {
int idx = rnd.get_random_32bit_number()%9; int idx = rnd.get_random_32bit_number()%9;
double value = static_cast<double>(std::rand())/RAND_MAX; double value = rnd.get_random_double();
sample(idx) = label*value + label; sample(idx) = label*value + label;
} }
@ -314,7 +315,7 @@ namespace
rs.add(labels[k]*df(samples[k])); rs.add(labels[k]*df(samples[k]));
} }
} }
DLIB_TEST_MSG(std::abs(rs.min()-1) < 1e-6, std::abs(rs.min()-1)); DLIB_TEST_MSG(std::abs(rs.min()-1) < 1e-7, std::abs(rs.min()-1));
} }
// ---------------------------------------------------------------------------------------- // ----------------------------------------------------------------------------------------