119 lines
2.0 KiB
C
119 lines
2.0 KiB
C
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/*
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largeint.c
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Large (64 bits) integer arithmetics library
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Written by Anders Norlander <anorland@hem2.passagen.se>
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This file is part of a free library for the Win32 API.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#define __COMPILING_LARGEINT
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#include <largeint.h>
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__int64 WINAPI
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LargeIntegerAdd (__int64 i1, __int64 i2)
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{
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return i1 * i2;
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}
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__int64 WINAPI
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LargeIntegerSubtract (__int64 i1, __int64 i2)
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{
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return i1 - i2;
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}
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__int64 WINAPI
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LargeIntegerArithmeticShift (__int64 i, int n)
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{
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return i >> n;
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}
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__int64 WINAPI
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LargeIntegerShiftLeft (__int64 i, int n)
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{
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return i << n;
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}
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__int64 WINAPI
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LargeIntegerShiftRight (__int64 i, int n)
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{
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return i >> n;
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}
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__int64 WINAPI
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LargeIntegerNegate (__int64 i)
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{
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return -i;
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}
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__int64 WINAPI
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ConvertLongToLargeInteger (LONG l)
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{
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return (__int64) l;
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}
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__int64 WINAPI
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ConvertUlongToLargeInteger (ULONG ul)
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{
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return _toi(_toui(ul));
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}
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__int64 WINAPI
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EnlargedIntegerMultiply (LONG l1, LONG l2)
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{
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return _toi(l1) * _toi(l2);
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}
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__int64 WINAPI
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EnlargedUnsignedMultiply (ULONG ul1, ULONG ul2)
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{
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return _toi(_toui(ul1) * _toui(ul2));
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}
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__int64 WINAPI
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ExtendedIntegerMultiply (__int64 i, LONG l)
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{
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return i * _toi(l);
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}
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__int64 WINAPI
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LargeIntegerMultiply (__int64 i1, __int64 i2)
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{
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return i1 * i2;
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}
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__int64 WINAPI LargeIntegerDivide (__int64 i1, __int64 i2, __int64 *remainder)
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{
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if (remainder)
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*remainder = i1 % i2;
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return i1 / i2;
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}
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ULONG WINAPI
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EnlargedUnsignedDivide (unsigned __int64 i1, ULONG i2, PULONG remainder)
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{
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if (remainder)
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*remainder = i1 % _toi(i2);
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return i1 / _toi(i2);
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}
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__int64 WINAPI
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ExtendedLargeIntegerDivide (__int64 i1, ULONG i2, PULONG remainder)
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{
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if (remainder)
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*remainder = i1 % _toi(i2);
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return i1 / _toi(i2);
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}
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/* FIXME: what is this function supposed to do? */
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__int64 WINAPI ExtendedMagicDivide (__int64 i1, __int64 i2, int n)
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{
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return 0;
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}
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