xref: /trunk/main/basic/source/sbx/sbxvals.cxx (revision cdf0e10c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_basic.hxx"
30 
31 #define _TLBIGINT_INT64
32 #include <tools/bigint.hxx>
33 #include <basic/sbx.hxx>
34 
35 ///////////////////////////// BigInt/Currency //////////////////////////////
36 
37 SbxValues::SbxValues( const BigInt &rBig ) : eType(SbxCURRENCY)
38 {
39 	rBig.INT64( &nLong64 );
40 }
41 
42 //TODO:  BigInt is TOOLS_DLLPUBLIC, and its four member functions only declared
43 // and defined within basic (#define _TLBIGINT_INT64) are a bad hack that causes
44 // "warning C4273: 'function' : inconsistent dll linkage" on MSC; this whole
45 // mess should be cleaned up properly (e.g., by completely removing Sbx[U]INT64
46 // and using sal_[u]Int64 instead):
47 #if defined _MSC_VER
48 #pragma warning(disable: 4273)
49 #endif
50 
51 sal_Bool BigInt::INT64( SbxINT64 *p ) const
52 {
53 	if( bIsBig ) {
54 		if( nLen > 4 || (nNum[3] & 0x8000) )
55 			return sal_False;
56 
57 		p->nLow  = ((sal_uInt32)nNum[1] << 16) | (sal_uInt32)nNum[0];
58 		p->nHigh = ((sal_uInt32)nNum[3] << 16) | (sal_uInt32)nNum[2];
59 		if( bIsNeg )
60 			p->CHS();
61 	}
62 	else
63 		p->Set( (sal_Int32)nVal );
64 
65 	return sal_True;
66 }
67 
68 BigInt::BigInt( const SbxINT64 &r )
69 {
70 	BigInt a10000 = 0x10000;
71 
72 	*this = r.nHigh;
73 	if( r.nHigh )
74 		*this *= a10000;
75 	*this += (sal_uInt16)(r.nLow >> 16);
76 	*this *= a10000;
77 	*this += (sal_uInt16)r.nLow;
78 }
79 
80 sal_Bool BigInt::UINT64( SbxUINT64 *p ) const
81 {
82 	if( bIsBig ) {
83 		if( bIsNeg || nLen > 4 )
84 			return sal_False;
85 
86 		p->nLow  = ((sal_uInt32)nNum[1] << 16) | (sal_uInt32)nNum[0];
87 		p->nHigh = ((sal_uInt32)nNum[3] << 16) | (sal_uInt32)nNum[2];
88 	}
89 	else {
90 		if( nVal < 0 )
91 			return sal_False;
92 
93 		p->Set( (sal_uInt32)nVal );
94 	}
95 
96 	return sal_True;
97 }
98 
99 BigInt::BigInt( const SbxUINT64 &r )
100 {
101 	BigInt a10000 = 0x10000;
102 
103 	*this = BigInt(r.nHigh);
104 	if( r.nHigh )
105 		*this *= a10000;
106 	*this += (sal_uInt16)(r.nLow >> 16);
107 	*this *= a10000;
108 	*this += (sal_uInt16)r.nLow;
109 }
110