mirror of https://git.wuffs.org/MWCC
85 lines
3.7 KiB
C
85 lines
3.7 KiB
C
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#pragma once
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typedef struct _CInt64 {
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long a;
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unsigned long b;
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} CInt64;
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// make sure this is in the right place
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extern const CInt64 cint64_negone;
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extern const CInt64 cint64_zero;
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extern const CInt64 cint64_one;
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extern const CInt64 cint64_max;
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extern const CInt64 cint64_min;
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inline int CInt64_IsNegative(const CInt64 *n) {
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return (n->a & 0x80000000) != 0;
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}
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inline void CInt64_SetLong(CInt64 *pN, long n) {
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pN->b = n;
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pN->a = (n < 0) ? 0xFFFFFFFF : 0;
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}
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inline void CInt64_SetULong(CInt64 *pN, unsigned long n) {
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pN->b = n;
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pN->a = 0;
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}
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// i don't think this one is real lol
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inline int CInt64_IsZero(CInt64 *n) {
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return n->a == 0 && n->b == 0;
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}
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inline void CInt64_Extend32(CInt64 *n) { // assumed name
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n->a = (n->b >> 31) ? 0xFFFFFFFF : 0;
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}
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extern void CInt64_Init();
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extern CInt64 CInt64_Not(CInt64 input);
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extern CInt64 CInt64_Inv(CInt64 input);
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extern CInt64 CInt64_Add(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Neg(CInt64 input);
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extern CInt64 CInt64_Sub(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_MulU(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Mul(CInt64 lhs, CInt64 rhs);
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extern void CInt64_DivMod(const CInt64 *lhs, const CInt64 *rhs, CInt64 *pDiv, CInt64 *pMod);
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extern CInt64 CInt64_Div(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_DivU(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Mod(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_ModU(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Shl(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Shr(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_ShrU(CInt64 lhs, CInt64 rhs);
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extern int CInt64_UnsignedCompare(const CInt64 *lhs, const CInt64 *rhs);
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extern int CInt64_SignedCompare(const CInt64 *lhs, const CInt64 *rhs);
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extern unsigned char CInt64_Less(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_LessU(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_Greater(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_GreaterU(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_LessEqual(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_LessEqualU(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_GreaterEqual(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_GreaterEqualU(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_Equal(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_NotEqual(CInt64 lhs, CInt64 rhs);
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extern unsigned char CInt64_IsInRange(CInt64 value, short len);
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extern unsigned char CInt64_IsInURange(CInt64 value, short len);
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extern CInt64 CInt64_And(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Xor(CInt64 lhs, CInt64 rhs);
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extern CInt64 CInt64_Or(CInt64 lhs, CInt64 rhs);
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extern void CInt64_ConvertInt32(CInt64 *i);
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extern void CInt64_ConvertUInt32(CInt64 *i);
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extern void CInt64_ConvertInt16(CInt64 *i);
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extern void CInt64_ConvertUInt16(CInt64 *i);
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extern void CInt64_ConvertInt8(CInt64 *i);
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extern void CInt64_ConvertUInt8(CInt64 *i);
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extern void CInt64_ConvertUFromLongDouble(CInt64 *pResult, double value);
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extern void CInt64_ConvertFromLongDouble(CInt64 *pResult, double value);
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extern double CInt64_ConvertUToLongDouble(const CInt64 *value);
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extern double CInt64_ConvertToLongDouble(const CInt64 *value);
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extern char *CInt64_ScanOctString(CInt64 *pResult, char *str, unsigned char *pFail);
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extern char *CInt64_ScanDecString(CInt64 *pResult, char *str, unsigned char *pFail);
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extern char *CInt64_ScanHexString(CInt64 *pResult, char *str, unsigned char *pFail);
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extern char *CInt64_ScanBinString(CInt64 *pResult, char *str, unsigned char *pFail);
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extern char *CInt64_ScanAsmNumber(CInt64 *pResult, char *str, unsigned char *pFail);
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extern int CInt64_PrintDec(char *output, CInt64 value);
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extern int CInt64_PrintHex(char *output, CInt64 value);
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extern int CInt64_PrintBin(char *output, CInt64 value);
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