void transpose(Param<T> out, CParam<T> in, const bool conjugate,
const bool is32multiple) {
static const std::string source(transpose_cuh, transpose_cuh_len);
// clang-format off
auto transpose = getKernel("cuda::transpose", source,
{
TemplateTypename<T>(),
TemplateArg(conjugate),
TemplateArg(is32multiple)
},
{
DefineValue(TILE_DIM),
DefineValue(THREADS_Y)
}
);
// clang-format on
dim3 threads(kernel::THREADS_X, kernel::THREADS_Y);
int blk_x = divup(in.dims[0], TILE_DIM);
int blk_y = divup(in.dims[1], TILE_DIM);
dim3 blocks(blk_x * in.dims[2], blk_y * in.dims[3]);
const int maxBlocksY =
cuda::getDeviceProp(getActiveDeviceId()).maxGridSize[1];
blocks.z = divup(blocks.y, maxBlocksY);
blocks.y = divup(blocks.y, blocks.z);
EnqueueArgs qArgs(blocks, threads, getActiveStream());
transpose(qArgs, out, in, blk_x, blk_y);
POST_LAUNCH_CHECK();
}
namespace InClassInitializers {
// Noexcept::Noexcept() is implicitly declared as noexcept(false), because it
// directly invokes ThrowSomething(). However...
//
// If noexcept(Noexcept()) is false, then Noexcept() is a constant expression,
// so noexcept(Noexcept()) is true. But if noexcept(Noexcept()) is true, then
// Noexcept::Noexcept is not declared constexpr, therefore noexcept(Noexcept())
// is false.
bool ThrowSomething() noexcept(false);
struct ConstExpr {
bool b = noexcept(ConstExpr()) && ThrowSomething(); // expected-error {{exception specification is not available until end of class definition}}
};
// We can use it now.
bool w = noexcept(ConstExpr());
// Much more obviously broken: we can't parse the initializer without already
// knowing whether it produces a noexcept expression.
struct TemplateArg {
int n = ExceptionIf<noexcept(TemplateArg())>::f(); // expected-error {{exception specification is not available until end of class definition}}
};
bool x = noexcept(TemplateArg());
// And within a nested class.
struct Nested {
struct Inner {
int n = ExceptionIf<noexcept(Nested())>::f(); // expected-error {{exception specification is not available until end of class definition}}
} inner;
};
bool y = noexcept(Nested());
bool z = noexcept(Nested::Inner());
}