inline bool array_is_c_contiguous(const dynd::nd::array &n)
{
intptr_t ndim = n.get_ndim();
dynd::dimvector shape(ndim), strides(ndim);
n.get_shape(shape.get());
n.get_strides(strides.get());
return dynd::strides_are_c_contiguous(ndim, n.get_dtype().get_data_size(),
shape.get(), strides.get());
}
inline ::testing::AssertionResult CompareDyNDArrays(const char *expr1, const char *expr2, const dynd::nd::array &val1,
const dynd::nd::array &val2)
{
using namespace dynd;
if (val1.get_type().get_type_id() == cuda_device_type_id && val2.get_type().get_type_id() == cuda_device_type_id) {
return CompareDyNDArrays(expr1, expr2, val1.to_host(), val2.to_host());
}
if (val1.equals_exact(val2)) {
return ::testing::AssertionSuccess();
}
else {
if (val1.get_type() != val2.get_type()) {
return ::testing::AssertionFailure() << "The types of " << expr1 << " and " << expr2 << " do not match\n" << expr1
<< " has type " << val1.get_type() << ",\n" << expr2 << " has type "
<< val2.get_type() << ".";
}
else if (val1.get_shape() != val2.get_shape()) {
return ::testing::AssertionFailure() << "The shapes of " << expr1 << " and " << expr2 << " do not match\n"
<< expr1 << " has shape " << ShapeFormatter(val1.get_shape()) << ",\n"
<< expr2 << " has shape " << ShapeFormatter(val2.get_shape()) << ".";
}
else if (val1.get_type().get_kind() == struct_kind) {
const ndt::struct_type *bsd = val1.get_type().extended<ndt::struct_type>();
intptr_t field_count = bsd->get_field_count();
for (intptr_t i = 0; i < field_count; ++i) {
nd::array field1 = val1(i), field2 = val2(i);
if (!field1.equals_exact(field2)) {
return ::testing::AssertionFailure()
<< "The values of " << expr1 << " and " << expr2 << " do not match at field index " << i << ", name \""
<< bsd->get_field_name(i) << "\"\n" << expr1 << " has field value " << field1 << ",\n" << expr2
<< " has field value " << field2 << ".";
}
}
return ::testing::AssertionFailure() << "DYND ASSERTION INTERNAL ERROR: One of the struct fields "
"should have compared unequal";
}
else if (val1.get_type().get_kind() == tuple_kind) {
const ndt::tuple_type *bsd = val1.get_type().extended<ndt::tuple_type>();
intptr_t field_count = bsd->get_field_count();
for (intptr_t i = 0; i < field_count; ++i) {
nd::array field1 = val1(i), field2 = val2(i);
if (!field1.equals_exact(field2)) {
return ::testing::AssertionFailure()
<< "The values of " << expr1 << " and " << expr2 << " do not match at field index " << i << "\"\n"
<< expr1 << " has field value " << field1 << ",\n" << expr2 << " has field value " << field2 << ".";
}
}
return ::testing::AssertionFailure() << "DYND ASSERTION INTERNAL ERROR: One of the tuple fields "
"should have compared unequal";
}
else if (val1.get_ndim() > 0) {
intptr_t dim_size = val1.get_dim_size();
for (intptr_t i = 0; i < dim_size; ++i) {
nd::array sub1 = val1(i), sub2 = val2(i);
if (!sub1.equals_exact(sub2)) {
return ::testing::AssertionFailure()
<< "The values of " << expr1 << " and " << expr2 << " do not match at index " << i << "\"\n" << expr1
<< " has subarray value " << sub1 << ",\n" << expr2 << " has subarray value " << sub2 << ".";
}
}
return ::testing::AssertionFailure() << "DYND ASSERTION INTERNAL ERROR: One of the subarrays "
"should have compared unequal\n"
<< expr1 << " has value " << val1 << ",\n" << expr2 << " has value " << val2
<< ".";
}
else {
return ::testing::AssertionFailure() << "The values of " << expr1 << " and " << expr2 << " do not match\n"
<< expr1 << " has value " << val1 << ",\n" << expr2 << " has value " << val2
<< ".";
}
}
}