90   uInt comb, exp;		   /* .. */  in decimal128FromNumber()  local
131 	exp=0;				     /* low clamp */  in decimal128FromNumber()
135 	exp=dn->exponent+DECIMAL128_Bias;    /* bias exponent */  in decimal128FromNumber()
136 	if (exp>DECIMAL128_Ehigh) {	     /* top clamp */  in decimal128FromNumber()
137 	  exp=DECIMAL128_Ehigh;  in decimal128FromNumber()
141       comb=(exp>>9) & 0x18;		/* msd=0, exp top 2 bits .. */  in decimal128FromNumber()
148       exp=(uInt)(dn->exponent+DECIMAL128_Bias);	   /* bias exponent */  in decimal128FromNumber()
149       if (exp>DECIMAL128_Ehigh) {		   /* fold-down case */  in decimal128FromNumber()
150 	pad=exp-DECIMAL128_Ehigh;  in decimal128FromNumber()
151 	exp=DECIMAL128_Ehigh;			   /* [to maximum] */  in decimal128FromNumber()
162       if (msd>=8) comb=0x18 | ((exp>>11) & 0x06) | (msd & 0x01);  in decimal128FromNumber()
163 	     else comb=((exp>>9) & 0x18) | msd;  in decimal128FromNumber()
166     targhi|=(exp&0xfff)<<14;	   /* .. and exponent continuation */  in decimal128FromNumber()
199   uInt exp;			   /* exponent top two bits */  in decimal128ToNumber()  local
230   exp=COMBEXP[comb];		   /* .. */  in decimal128ToNumber()
232   if (exp==3) {			   /* is a special */  in decimal128ToNumber()
242     dn->exponent=(exp<<12)+((sourhi>>14)&0xfff)-DECIMAL128_Bias; /* unbiased */  in decimal128ToNumber()
287   Int  exp;			   /* exponent top two bits or full */  in decimal128ToString()  local
323   exp=COMBEXP[comb];		   /* .. */  in decimal128ToString()
325   if (exp==3) {  in decimal128ToString()
337     exp=0; msd=0;		   /* setup for following code */  in decimal128ToString()
339    else exp=(exp<<12)+((sourhi>>14)&0xfff)-DECIMAL128_Bias; /* unbiased */  in decimal128ToString()
381   if (exp==0) {			   /* integer or NaN case -- easy */  in decimal128ToString()
388   pre=c-cstart+exp;  in decimal128ToString()
390   if (exp>0 || pre<-5) {	   /* need exponential form */  in decimal128ToString()