constexpr
array<T, I1 + I2> append( array<T,I1> a1, indices<Is1...>
, array<T,I2> a2, indices<Is2...> )
{
return array<T,I1+I2>( a1.data()[Is1]...
, a2.data()[Is2]... );
}
BOOST_AUTO_TEST_CASE_TEMPLATE( real_valued, T, real_types )
{
const array<T,6> x = {{ -1, -555, 3, 0, 2, -555 }};
const long incx = 2;
const size_t N = x.size() / incx;
BOOST_CHECK_EQUAL( 1, blas::iamax(N, x.data(), incx));
BOOST_CHECK_EQUAL( 0, blas::iamin(N, x.data(), incx));
BOOST_CHECK_EQUAL(-1, blas::iamax(0, x.data(), incx));
BOOST_CHECK_EQUAL(-1, blas::iamin(0, x.data(), incx));
}
BOOST_AUTO_TEST_CASE_TEMPLATE( real_valued, T, real_types )
{
const array<T,6> x = {{ 1, -1, 2, -1, 3, -1 }};
const int incx = 2;
const array<T,3> y = {{ 4, 5, 6 }};
const long incy = 1;
BOOST_REQUIRE_EQUAL(x.size()/incx, y.size()/incy);
const T result = blas::dot(x.size()/incx, x.data(), incx, y.data(), incy);
const T expected = (1*4) + (2*5) + (3*6);
BOOST_CHECK_EQUAL(result, expected);
}
int main(int argc, char* argv[])
{
if(argc != 2)
{
char* app_name = strrchr(argv[0], '/');
app_name = app_name ? app_name + 1 : argv[0];
if(0 == strncmp(app_name, "lt-", 3))
app_name += 3; // remove libtool prefix
usage(cerr, app_name);
return EXIT_FAILURE;
}
try
{
// Example:
// "Driver={ODBC Driver 11 for SQL Server};Server=xxx.sqlserver.net;Database=mydb;UID=joe;PWD=secret;"
auto const connection_string(convert(argv[1]));
connection conn(connection_string);
// Create table
{
try
{
// XXX: SQL Server <=2014 does not support "if exists"
execute(conn, NANODBC_TEXT("drop table rowset_iteration;"));
} catch (runtime_error const&) {}
execute(conn, NANODBC_TEXT("create table rowset_iteration (i int);"));
}
// Insert data
{
statement stmt(conn);
prepare(stmt, NANODBC_TEXT("insert into rowset_iteration (i) values (?);"));
array<int, 5> const numbers {{ 100, 80, 60, 40, 20 }};
stmt.bind(0, numbers.data(), numbers.size());
transact(stmt, static_cast<long>(numbers.size()));
}
// Select and fetch
long batch_size = 1; // tweak to play with number of ODBC fetch calls
result result = execute(
conn
, NANODBC_TEXT("SELECT i FROM rowset_iteration ORDER BY i DESC;")
, batch_size);
for (int i = 1; result.next(); ++i)
{
cout << i
<< "(" << result.rows()
<< "/" << result.rowset_size()
<< ":"
<< result.get<int>(0)
<< endl;
}
}
catch (runtime_error const& e)
{
cerr << e.what() << endl;
}
}
void initRemap(const array<double, 6> & params1, const array<double, 3> & params2,
Mat32f & mapX, Mat32f & mapY, const array<double, 3> & rot)
{
EnhancedCamera cam1(params1.data());
Pinhole cam2(params2[0], params2[1], params2[2]);
Vector2dVec imagePoints;
mapX.create(params2[1]*2, params2[0]*2);
mapY.create(params2[1]*2, params2[0]*2);
for (unsigned int i = 0; i < mapX.rows; i++)
{
for (unsigned int j = 0; j < mapX.cols; j++)
{
imagePoints.push_back(Vector2d(j, i));
}
}
Vector3dVec pointCloud;
cam2.reconstructPointCloud(imagePoints, pointCloud);
Transformation<double> T(0, 0, 0, rot[0], rot[1], rot[2]);
T.transform(pointCloud, pointCloud);
cam1.projectPointCloud(pointCloud, imagePoints);
auto pointIter = imagePoints.begin();
for (unsigned int i = 0; i < mapX.rows; i++)
{
for (unsigned int j = 0; j < mapX.cols; j++)
{
mapX(i, j) = (*pointIter)[0];
mapY(i, j) = (*pointIter)[1];
++pointIter;
}
}
}
constexpr
array<T, I + 1> push_back( array<T, I> arr
, T t
, indices<Is...>)
{
return array<T, I + 1>(arr.data()[Is]..., t);
}
bool test_feature()
{
int edata[_rank];
for (int i = 0; i < _rank; i++)
edata[i] = i+1;
extent<_rank> e1(edata);
std::vector<_type> data(e1.size());
for (unsigned int i = 0; i < e1.size(); i++)
data[i] = static_cast<_type>(i+1);
accelerator device(accelerator::cpu_accelerator);
{
array<_type, _rank> src(e1, data.begin(), data.end(), device.get_default_view());
_type* dst_data = src.data();
if (dst_data == NULL)
return false;
for(unsigned int i = 0; i < src.get_extent().size(); i++)
{
if (dst_data[i] != data[i])
return false;
}
}
{
array<_type, _rank> src(e1, data.begin(), data.end(), device.get_default_view());
const _type* dst_data = src.data();
if (dst_data == NULL)
return false;
for(unsigned int i = 0; i < src.get_extent().size(); i++)
{
if (dst_data[i] != data[i])
return false;
}
}
{
const array<_type, _rank> src(e1, data.begin(), data.end(), device.get_default_view());
const _type* dst_data = src.data();
if (dst_data == NULL)
return false;
for(unsigned int i = 0; i < src.get_extent().size(); i++)
{
if (dst_data[i] != data[i])
return false;
}
}
return true;
}
BOOST_AUTO_TEST_CASE_TEMPLATE( real_valued, T, real_types )
{
const array<T,6> x = {{ -1, -555, 2, -555, -3, -555 }};
const long inc = 2;
const T result = blas::asum(x.size()/inc, x.data(), inc);
const T expected = 1 + 2 + 3;
BOOST_CHECK_EQUAL(result, expected);
}
BOOST_AUTO_TEST_CASE_TEMPLATE( real_valued, T, real_types )
{
const array<T,6> x = {{ 1, -555, 2, -555, 3, -555 }};
array<T,3> y = {{ 555, 555, 555 }};
const long incx = 2, incy = 1;
BOOST_REQUIRE_EQUAL(x.size()/incx, y.size()/incy);
blas::copy(x.size()/incx, x.data(), incx, y.c_array(), incy);
const array<T,3> expected = {{ 1, 2, 3 }};
BOOST_CHECK_EQUAL_COLLECTIONS(
y.begin(), y.end(), expected.begin(), expected.end());
}
BOOST_AUTO_TEST_CASE_TEMPLATE( real_valued, T, real_types )
{
const array<T,6> x = {{ 1, -1, 2, -1, 3, -1 }};
const long incx = 2;
array<T,3> y = {{ 4, 5, 6 }};
const int incy = 1;
BOOST_REQUIRE_EQUAL(x.size()/incx, y.size()/incy);
blas::axpby(x.size()/incx, 3, x.data(), incx, 7, y.c_array(), incy);
const array<T,3> expected = {{ 1*3+7*4, 2*3+7*5, 3*3+7*6 }};
BOOST_CHECK_EQUAL_COLLECTIONS(
y.begin(), y.end(), expected.begin(), expected.end());
}
void XCBBackend::initializeRoot() {
using std::array;
using std::stringstream;
static array<uint32_t, 1> values{{XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY}};
auto mask = XCB_CW_EVENT_MASK;
cookie = xcb_change_window_attributes_checked(
connection, screen->root, mask, values.data());
auto error = xcb_request_check(connection, cookie);
xcb_flush(connection);
if(NULL != error) {
stringstream ss;
ss << "Can't redirect root window: " << error->error_code << ". Another Window Manager Running?";
throwAndLogError(ss.str());
}
}
for( int i = 1; i < DIM + 1; ++i )
res += coeffs[i] * std::pow( x, i );
return res;
}
TEST_CASE( "Horner scheme evaluates correctly", "[spline]" )
{
array<double, 5> coeffs = {1, 2, 3, 4, 5};
array<double, 4> dcoeffs = {coeffs[1], 2 * coeffs[2], 3 * coeffs[3], 4 * coeffs[4]};
array<double, 3> d2coeffs = {dcoeffs[1], 2 * dcoeffs[2], 3 * dcoeffs[3]};
double x = M_PI;
SECTION( "evaluation works for polynomial itself" )
{
double value = spline::evaluatePolynomial<4>( coeffs.data(), x );
double reference = polynomial_evaluation_reference<4>( coeffs, x );
REQUIRE( value == Approx( reference ) );
}
SECTION( "evaluation works for first derivative" )
{
double value = spline::evaluatePolynomial<4, 1>( coeffs.data(), x );
double reference = polynomial_evaluation_reference<3>( dcoeffs, x );
REQUIRE( value == Approx( reference ) );
}
SECTION( "evaluation works for second derivative" )
{
double value = spline::evaluatePolynomial<4, 2>( coeffs.data(), x );
void Sec256Signature::AssignCompact(const array<uint8_t, 64>& ar) {
int over1, over2;
secp256k1_scalar_set_b32(&m_r, ar.data(), &over1);
secp256k1_scalar_set_b32(&m_s, ar.data()+32, &over2);
ASSERT(!over1 && !over2);
}
void sort(array<float>& a)
{
// komrade::stable_sort(a.data(), a.data()+a.linear_size(),
// komrade::random_access_device_iterator_tag());
komrade::sorting::detail::device::cuda::stable_radix_sort_key_dev<float>(a.data(), a.linear_size());
}
cout << i << " "; // 0 0 0
});
cr;
END_TEST;
//----------------------- array as c-style array ----------------------
BEGIN_TEST(ArrayTest, CStyleArray, @);
// use array<char> as a fix sized c-string.
array<char, 100> str = {{ 0 }};
char *p = str.data();
strcpy(p, "hello world");
printf("%s\n", p); // hello world
END_TEST;
//----------------------- normal example ----------------------
BEGIN_TEST(ArrayTest, NormalExample, @);
array<int, 5> a = {{ 1, 2, 3 }};
psln(a.size()); // a.size() = 5;
data_type(const array &index) : data_type(index.get_dim_size(), reinterpret_cast<int *>(index.data())) {}
static void write_impl(OStream & ost, array<typename OStream::char_type, N> const & s) {
ost.write(s.data(), N);
}