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LibCrypto: Added BigInteger 'division by u16' operator

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This commit is contained in:
DexesTTP
2020-05-03 10:59:00 +02:00
committed by Andreas Kling
parent 0efd58bf6d
commit 8aeccf4f02
Notes: sideshowbarker 2024-07-19 07:00:57 +09:00 
Author: https://github.com/Dexesttp
Commit: https://github.com/SerenityOS/serenity/commit/8aeccf4f024
Pull-request: https://github.com/SerenityOS/serenity/pull/2064
3 changed files with 67 additions and 13 deletions
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2
Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
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@@ -65,6 +65,7 @@ public:
const AK::Vector<u32, STARTING_WORD_SIZE>& words() const { return m_words; }
void set_to_0();
void set_to(u32 other);
void set_to(const UnsignedBigInteger& other);
void invalidate() { m_is_invalid = true; }
@@ -87,6 +88,7 @@ public:
static void shift_left_without_allocation(const UnsignedBigInteger& number, size_t bits_to_shift_by, UnsignedBigInteger& temp_result, UnsignedBigInteger& temp_plus, UnsignedBigInteger& output);
static void multiply_without_allocation(const UnsignedBigInteger& left, const UnsignedBigInteger& right, UnsignedBigInteger& temp_shift_result, UnsignedBigInteger& temp_shift_plus, UnsignedBigInteger& temp_shift, UnsignedBigInteger& temp_plus, UnsignedBigInteger& output);
static void divide_without_allocation(const UnsignedBigInteger& numerator, const UnsignedBigInteger& denominator, UnsignedBigInteger& temp_shift_result, UnsignedBigInteger& temp_shift_plus, UnsignedBigInteger& temp_shift, UnsignedBigInteger& temp_minus, UnsignedBigInteger& quotient, UnsignedBigInteger& remainder);
static void divide_u16_without_allocation(const UnsignedBigInteger& numerator, u32 denominator, UnsignedBigInteger& quotient, UnsignedBigInteger& remainder);
bool operator==(const UnsignedBigInteger& other) const;
bool operator!=(const UnsignedBigInteger& other) const;