96   uInt comb, exp;		   /* .. */  in decimal64FromNumber()  local
135 	exp=0;				     /* low clamp */  in decimal64FromNumber()
139 	exp=dn->exponent+DECIMAL64_Bias;     /* bias exponent */  in decimal64FromNumber()
140 	if (exp>DECIMAL64_Ehigh) {	     /* top clamp */  in decimal64FromNumber()
141 	  exp=DECIMAL64_Ehigh;  in decimal64FromNumber()
145       comb=(exp>>5) & 0x18;		/* msd=0, exp top 2 bits .. */  in decimal64FromNumber()
152       exp=(uInt)(dn->exponent+DECIMAL64_Bias);	  /* bias exponent */  in decimal64FromNumber()
153       if (exp>DECIMAL64_Ehigh) {		  /* fold-down case */  in decimal64FromNumber()
154 	pad=exp-DECIMAL64_Ehigh;  in decimal64FromNumber()
155 	exp=DECIMAL64_Ehigh;			  /* [to maximum] */  in decimal64FromNumber()
183       if (msd>=8) comb=0x18 | ((exp>>7) & 0x06) | (msd & 0x01);  in decimal64FromNumber()
184 	     else comb=((exp>>5) & 0x18) | msd;  in decimal64FromNumber()
187     targhi|=(exp&0xff)<<18;	   /* .. and exponent continuation */  in decimal64FromNumber()
216   uInt exp;			   /* exponent top two bits */  in decimal64ToNumber()  local
241   exp=COMBEXP[comb];		   /* .. */  in decimal64ToNumber()
243   if (exp==3) {			   /* is a special */  in decimal64ToNumber()
253     dn->exponent=(exp<<8)+((sourhi>>18)&0xff)-DECIMAL64_Bias; /* unbiased */  in decimal64ToNumber()
303   Int  exp;			   /* exponent top two bits or full */  in decimal64ToString()  local
333   exp=COMBEXP[comb];		   /* .. */  in decimal64ToString()
335   if (exp==3) {  in decimal64ToString()
346     exp=0; msd=0;		   /* setup for following code */  in decimal64ToString()
348    else exp=(exp<<8)+((sourhi>>18)&0xff)-DECIMAL64_Bias;  in decimal64ToString()
379   if (exp==0) {			   /* integer or NaN case -- easy */  in decimal64ToString()
386   pre=c-cstart+exp;  in decimal64ToString()
388   if (exp>0 || pre<-5) {	   /* need exponential form */  in decimal64ToString()