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Fix compilation/conversion issues

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This commit is contained in:
Matthias Hochsteger 2024-05-02 23:13:42 +02:00
parent f7467c4b34
commit 08d17a43e3
2 changed files with 39 additions and 8 deletions
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39
libsrc/core/ng_mpi.cpp
View File

@ -8,13 +8,21 @@
namespace ngcore {
template <typename T>
uintptr_t mpi2ng(T t) {
if constexpr (std::is_pointer_v<T>)
return reinterpret_cast<uintptr_t>(t);
else
return static_cast<uintptr_t>(t);
}
// template <typename T>
// uintptr_t mpi2ng(T t) {
// if constexpr (std::is_pointer_v<T>)
// return reinterpret_cast<uintptr_t>(t);
// else
// return static_cast<uintptr_t>(t);
// }
int mpi2ng(int v) { return v; }
void* mpi2ng(void*p) { return p; }
// TODO: When we are dealing with arrays of multiple MPI_Status, we need to copy them together in continuous memory
NG_MPI_Status* mpi2ng(MPI_Status*p) { return reinterpret_cast<NG_MPI_Status*>(p); }
NG_MPI_Comm mpi2ng(MPI_Comm c) { return reinterpret_cast<uintptr_t>(c); }
template <typename T>
T cast_ng2mpi(uintptr_t t) {
@ -37,7 +45,16 @@ MPI_Comm ng2mpi(NG_MPI_Comm c) {
return cast_ng2mpi<MPI_Comm>(c.value);
}
MPI_Group ng2mpi(NG_MPI_Group c) {
static_assert(sizeof(MPI_Group) <= sizeof(c.value), "Size mismatch");
return cast_ng2mpi<MPI_Group>(c.value);
}
MPI_Comm* ng2mpi(NG_MPI_Comm* c) { return cast_ng2mpi<MPI_Comm*>(&c->value); }
MPI_Group* ng2mpi(NG_MPI_Group* c) { return cast_ng2mpi<MPI_Group*>(&c->value); }
MPI_Datatype* ng2mpi(NG_MPI_Datatype* c) { return cast_ng2mpi<MPI_Datatype*>(&c->value); }
MPI_Request* ng2mpi(NG_MPI_Request* c) { return cast_ng2mpi<MPI_Request*>(&c->value); }
MPI_Status* ng2mpi(NG_MPI_Status* c) { return cast_ng2mpi<MPI_Status*>(&c->data[0]); }
MPI_Datatype ng2mpi(NG_MPI_Datatype c) {
static_assert(sizeof(MPI_Datatype) <= sizeof(c.value), "Size mismatch");
@ -49,7 +66,15 @@ MPI_Request ng2mpi(NG_MPI_Request c) {
return cast_ng2mpi<MPI_Request>(c.value);
}
MPI_Status* ng2mpi(NG_MPI_Status c) {
return cast_ng2mpi<MPI_Status*>(&c.data[0]);
}
void* ng2mpi(void* c) { return c; }
char* ng2mpi(char* c) { return c; }
char*** ng2mpi(char*** c) { return c; }
int* ng2mpi(int* c) { return c; }
int ng2mpi(int c) { return c; }
} // namespace ngcore

8
libsrc/core/ng_mpi.hpp
View File

@ -15,30 +15,36 @@ NGCORE_API extern std::string mpi_library_version;
inline void not_implemented() { throw std::runtime_error("Not implemented"); }
struct NG_MPI_Status {
uint64_t data[4];
uintptr_t data[4];
};
struct NG_MPI_Comm {
uintptr_t value;
NG_MPI_Comm() { value = 0;}
NG_MPI_Comm(uintptr_t v) : value(v) {}
void operator =(uintptr_t v) { value = v; }
};
struct NG_MPI_Datatype {
uintptr_t value;
NG_MPI_Datatype(uintptr_t v) : value(v) {}
operator bool() const { return value != 0; }
void operator =(uintptr_t v) { value = v; }
void operator =(void * v) { value = reinterpret_cast<uintptr_t>(v); }
};
struct NG_MPI_Request {
uintptr_t value = 0;
NG_MPI_Request(uintptr_t v) : value(v) {}
NG_MPI_Request() = default;
void operator =(uintptr_t v) { value = v; }
};
struct NG_MPI_Op {
uintptr_t value;
NG_MPI_Op(uintptr_t v) : value(v) {}
void operator =(uintptr_t v) { value = v; }
};
struct NG_MPI_Group {