ZYM/BH-int2048-2023
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upd: ready to write NTT

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This commit is contained in:
ZhuangYumin
2023-10-30 12:09:44 +08:00
parent d660095777
commit 116e675b29
4 changed files with 100 additions and 2 deletions
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12
src/int2048.cpp
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@ -330,12 +330,22 @@ int2048 operator-(int2048 A, const int2048 &B) {
return std::move(A);
}
inline void UnsignedMultiply(int2048 &A, const int2048 *pB) { ; }
inline void UnsignedMultiply(int2048 &A, const int2048 *pB)
{
;
}
int2048 &int2048::Multiply(const int2048 &B) {
// 实现复合乘法逻辑
const int2048 *pB = &B;
if (this == &B) pB = new int2048(B);
if ((this->num_length == 1 && this->val[0]) ||
(pB->num_length == 1 && pB->val[0] == 0)) {
*this = std::move(int2048(0));
return *this;
}
this->flag = this->flag * pB->flag;
UnsignedMultiply(*this,pB);
return *this;
}