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Migrate RTL subsystem to C++

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This commit is contained in:
Aiken Harris
2025-09-11 18:28:24 +02:00
parent e507dd0390
commit 9518e7da8e
35 changed files with 3133 additions and 1068 deletions
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51
xtoskrnl/includes/rtl/math.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/rtl/math.hh
* DESCRIPTION: Kernel math support
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_RTL_MATH_HH
#define __XTOSKRNL_RTL_MATH_HH
#include <xtos.hh>
/* Runtime Library */
namespace RTL
{
class Math
{
public:
STATIC XTAPI LARGE_INTEGER ConvertToLargeInteger32(IN LONG Value);
STATIC XTAPI LARGE_INTEGER ConvertToLargeIntegerUnsigned32(IN ULONG Value);
STATIC XTAPI INT CountLeadingZeroes32(IN ULONG Value);
STATIC XTAPI INT CountLeadingZeroes64(IN ULONGLONG Value);
STATIC XTAPI INT CountTrailingZeroes32(IN ULONG Value);
STATIC XTAPI INT CountTrailingZeroes64(IN ULONGLONG Value);
STATIC XTAPI LONGLONG Divide32(IN LONG Dividend,
IN LONG Divisor,
OUT PLONG Remainder);
STATIC XTAPI LONGLONG Divide64(IN LONGLONG Dividend,
IN LONGLONG Divisor,
OUT PLONGLONG Remainder);
STATIC XTAPI ULONGLONG DivideUnsigned32(IN ULONG Dividend,
IN ULONG Divisor,
OUT PULONG Remainder);
STATIC XTAPI ULONGLONG DivideUnsigned64(IN ULONGLONG Dividend,
IN ULONGLONG Divisor,
OUT PULONGLONG Remainder);
STATIC XTAPI LARGE_INTEGER DivideLargeInteger(IN LARGE_INTEGER Dividend,
IN ULONG Divisor,
OUT PULONG Remainder);
STATIC XTAPI LONG GetBaseExponent(IN DOUBLE Value,
OUT PDOUBLE PowerOfTen);
STATIC XTAPI BOOLEAN InfiniteDouble(IN DOUBLE Value);
STATIC XTAPI LARGE_INTEGER MultiplyLargeInteger(IN LARGE_INTEGER Multiplicand,
IN LONG Multiplier);
STATIC XTAPI BOOLEAN NanDouble(IN DOUBLE Value);
};
}
#endif /* __XTOSKRNL_RTL_MATH_HH */