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#include <c10/core/SymFloat.h>
#include <c10/core/SymInt.h>
#include <c10/core/SymIntNodeImpl.h>
#include <array>
namespace c10 {
#ifndef C10_MOBILE
static std::array<SymIntNode, 2> normalize_symints(SymInt a_, SymInt b_) {
SymIntNode a, b;
if (a_.is_symbolic())
a = a_.toSymIntNodeImpl();
if (b_.is_symbolic())
b = b_.toSymIntNodeImpl();
SymIntNodeImpl* common = a ? a.get() : b.get();
// TODO: technically we need to check that the classes match
if (!a) {
a = common->wrap(a_.as_int_unchecked());
a_.toSymInt(a); //
}
if (!b) {
b = common->wrap(b_.as_int_unchecked());
b_.toSymInt(b);
}
return {a, b};
}
SymIntNode SymInt::toSymIntNodeImpl() const {
TORCH_CHECK(is_symbolic());
return SymIntNode::reclaim_copy(toSymIntNodeImplUnowned());
}
c10::SymInt SymInt::toSymInt(SymIntNode sin_sp) {
auto ptr = static_cast<uint64_t>(
reinterpret_cast<uintptr_t>(static_cast<void*>(sin_sp.release())));
auto rep = (ptr & ~MASK) | IS_SYM;
return c10::SymInt(UNCHECKED, static_cast<int64_t>(rep));
}
#else
// this code should never be executed on mobile due to inlining of `is_symbolic`
// which always returns `false` on mobile.
// However, if we decide to strip off `SymIntNode` completely from mobile builds
// We would need to stub these methods anyways
c10::SymInt SymInt::toSymInt(SymIntNode sin_sp) {
TORCH_INTERNAL_ASSERT(false, "SymInts aren't available on mobile");
}
SymIntNode SymInt::toSymIntNodeImpl() const {
TORCH_INTERNAL_ASSERT(false, "SymInts aren't available on mobile");
}
static std::array<SymIntNode, 2> normalize_symints(SymInt a_, SymInt b_) {
TORCH_INTERNAL_ASSERT(false, "SymInts aren't available on mobile");
}
#endif
int64_t SymInt::guard_int(const char* file, int64_t line) const {
if (!is_symbolic()) {
return data_;
}
SymIntNode a = toSymIntNodeImpl();
return a->guard_int(file, line);
}
SymInt::operator SymFloat() const {
if (!is_symbolic()) {
return SymFloat(double(data_));
}
return SymFloat::toSymFloat(toSymIntNodeImpl()->sym_float());
}
SymInt SymInt::operator+(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return SymInt(data_ + sci.data_);
}
auto res = normalize_symints(*this, sci);
return SymInt::toSymInt(res[0]->add(res[1]));
}
SymInt SymInt::operator-(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return SymInt(data_ - sci.data_);
}
auto res = normalize_symints(*this, sci);
return SymInt::toSymInt(res[0]->sub(res[1]));
}
SymInt SymInt::operator*(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return SymInt(data_ * sci.data_);
}
auto res = normalize_symints(*this, sci);
return SymInt::toSymInt(res[0]->mul(res[1]));
}
SymInt SymInt::operator/(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return SymInt(data_ / sci.data_);
}
auto res = normalize_symints(*this, sci);
return SymInt::toSymInt(res[0]->floordiv(res[1]));
}
SymInt SymInt::operator%(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return SymInt(data_ % sci.data_);
}
auto res = normalize_symints(*this, sci);
return SymInt::toSymInt(res[0]->mod(res[1]));
}
bool SymInt::operator==(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return data_ == sci.data_;
}
auto res = normalize_symints(*this, sci);
return res[0]->eq(res[1])->bool_();
}
bool SymInt::operator!=(SymInt sci) const {
return !(*this == sci);
}
bool SymInt::operator<(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return data_ < sci.data_;
}
auto res = normalize_symints(*this, sci);
return res[0]->lt(res[1])->bool_();
}
bool SymInt::operator<=(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return data_ <= sci.data_;
}
auto res = normalize_symints(*this, sci);
return res[0]->le(res[1])->bool_();
}
bool SymInt::operator>(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return data_ > sci.data_;
}
auto res = normalize_symints(*this, sci);
return res[0]->gt(res[1])->bool_();
}
bool SymInt::operator>=(SymInt sci) const {
if (!is_symbolic() && !sci.is_symbolic()) {
return data_ >= sci.data_;
}
auto res = normalize_symints(*this, sci);
return res[0]->ge(res[1])->bool_();
}
void SymInt::operator*=(SymInt sci) {
*this = *this * sci;
}
void SymInt::operator+=(SymInt sci) {
*this = *this + sci;
}
bool SymInt::operator<(int64_t sci) const {
return *this < c10::SymInt(sci);
}
bool SymInt::operator<=(int64_t sci) const {
return *this <= c10::SymInt(sci);
}
bool SymInt::operator>(int64_t sci) const {
return *this > c10::SymInt(sci);
}
bool SymInt::operator>=(int64_t sci) const {
return *this >= c10::SymInt(sci);
}
bool SymInt::operator==(int64_t sci) const {
return *this == c10::SymInt(sci);
}
bool SymInt::operator!=(int64_t sci) const {
return *this != c10::SymInt(sci);
}
SymInt SymInt::operator*(int64_t sci) const {
return *this * c10::SymInt(sci);
}
std::ostream& operator<<(std::ostream& os, SymInt s) {
if (s.is_symbolic()) {
os << s.toSymIntNodeImpl()->str();
} else {
os << s.as_int_unchecked();
}
return os;
}
} // namespace c10
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