66 static decFloat *decInvalid(decFloat *, decContext *);
208       if (DFISINF(dfr)) return decInvalid(result, set); /* Two infinities bad */  in decDivide()
209       if (op&(REMAINDER|REMNEAR)) return decInvalid(result, set); /* as is rem */  in decDivide()
231     if (op&(REMAINDER|REMNEAR)) return decInvalid(result, set); /* bad rem */  in decDivide()
1180       if (summ==-64 && diffsign) return decInvalid(result, set);  in decFloatAdd()
1596    || !DFISCC01(dfl)   || !DFISCC01(dfr)) return decInvalid(result, set);  in decFloatAnd()
2040       if (DFISZERO(dfr)) return decInvalid(result, set);  in decFloatFMA()
2044       if (DFISZERO(dfl)) return decInvalid(result, set);  in decFloatFMA()
2054       return decInvalid(result, set);  in decFloatFMA()
2353   if (!DFISUINT01(df) || !DFISCC01(df)) return decInvalid(result, set);  in decFloatInvert()
2670     if (DFISINF(dfl) && DFISZERO(dfr)) return decInvalid(result, set);  in decFloatMultiply()
2671     if (DFISINF(dfr) && DFISZERO(dfl)) return decInvalid(result, set);  in decFloatMultiply()
2850    || !DFISCC01(dfl)   || !DFISCC01(dfr)) return decInvalid(result, set);  in decFloatOr()
2930     if (DFISINF(dfl)!=DFISINF(dfr)) return decInvalid(result, set);  in decFloatQuantize()
3089       if (!ISCOEFFZERO(BUFOFF)) return decInvalid(result, set);  in decFloatQuantize()
3108               return decInvalid(result, set);  in decFloatQuantize()
3111               return decInvalid(result, set);  in decFloatQuantize()
3279   if (!DFISINT(dfr)) return decInvalid(result, set);  in decFloatRotate()
3281   if (digits>2) return decInvalid(result, set);  /* definitely out of range */  in decFloatRotate()
3283   if (rotate>DECPMAX) return decInvalid(result, set); /* too big */  in decFloatRotate()
3361   if (!DFISINT(dfr)) return decInvalid(result, set);  in decFloatScaleB()
3365   if (digits>3) return decInvalid(result, set);   /* definitely out of range */  in decFloatScaleB()
3368   if (digits>5) return decInvalid(result, set);   /* definitely out of range */  in decFloatScaleB()
3372   if (expr>SCALEBMAX) return decInvalid(result, set);  /* oops */  in decFloatScaleB()
3409   if (!DFISINT(dfr)) return decInvalid(result, set);  in decFloatShift()
3411   if (digits>2) return decInvalid(result, set);   /* definitely out of range */  in decFloatShift()
3413   if (shift>DECPMAX) return decInvalid(result, set);   /* too big */  in decFloatShift()
3533    || !DFISCC01(dfl)   || !DFISCC01(dfr)) return decInvalid(result, set);  in decFloatXor()
3558 static decFloat *decInvalid(decFloat *result, decContext *set) {  in decInvalid()  function