| Line 298... |
Line 298... |
|
|
/* ================================================================== */
|
/* ================================================================== */
|
/* Conversions */
|
/* Conversions */
|
/* ================================================================== */
|
/* ================================================================== */
|
|
|
|
/* The following two functions are copied from later versions, since */
|
|
/* they are needed by GDB which shares this library. */
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
/* from-int32 -- conversion from Int or uInt */
|
|
/* */
|
|
/* dn is the decNumber to receive the integer */
|
|
/* in or uin is the integer to be converted */
|
|
/* returns dn */
|
|
/* */
|
|
/* No error is possible. */
|
|
/* ------------------------------------------------------------------ */
|
|
decNumber * decNumberFromInt32(decNumber *dn, Int in) {
|
|
uInt unsig;
|
|
if (in>=0) unsig=in;
|
|
else { /* negative (possibly BADINT) */
|
|
if (in==BADINT) unsig=(uInt)1073741824*2; /* special case */
|
|
else unsig=-in; /* invert */
|
|
}
|
|
/* in is now positive */
|
|
decNumberFromUInt32(dn, unsig);
|
|
if (in<0) dn->bits=DECNEG; /* sign needed */
|
|
return dn;
|
|
} /* decNumberFromInt32 */
|
|
|
|
decNumber * decNumberFromUInt32(decNumber *dn, uInt uin) {
|
|
Unit *up; /* work pointer */
|
|
decNumberZero(dn); /* clean */
|
|
if (uin==0) return dn; /* [or decGetDigits bad call] */
|
|
for (up=dn->lsu; uin>0; up++) {
|
|
*up=(Unit)(uin%(DECDPUNMAX+1));
|
|
uin=uin/(DECDPUNMAX+1);
|
|
}
|
|
dn->digits=decGetDigits(dn->lsu, up-dn->lsu);
|
|
return dn;
|
|
} /* decNumberFromUInt32 */
|
|
|
|
|
/* ------------------------------------------------------------------ */
|
/* ------------------------------------------------------------------ */
|
/* to-scientific-string -- conversion to numeric string */
|
/* to-scientific-string -- conversion to numeric string */
|
/* to-engineering-string -- conversion to numeric string */
|
/* to-engineering-string -- conversion to numeric string */
|
/* */
|
/* */
|
/* decNumberToString(dn, string); */
|
/* decNumberToString(dn, string); */
|
