58 	Xsig accumulator, Numer, Denom, accumulatore, argSignif, argSq, argSqSq;  in poly_atan()  local
83 		Numer.lsw = Denom.lsw = 0;  in poly_atan()
85 		XSIG_LL(Denom) = significand(st1_ptr);  in poly_atan()
89 		Numer.lsw = Denom.lsw = 0;  in poly_atan()
91 		XSIG_LL(Denom) = significand(st0_ptr);  in poly_atan()
93 	div_Xsig(&Numer, &Denom, &argSignif);  in poly_atan()
113 			Numer.lsw = Denom.lsw = argSignif.lsw;  in poly_atan()
114 			XSIG_LL(Numer) = XSIG_LL(Denom) = XSIG_LL(argSignif);  in poly_atan()
120 			shr_Xsig(&Denom, -exponent);  in poly_atan()
121 			Denom.msw |= 0x80000000;  in poly_atan()
123 			div_Xsig(&Numer, &Denom, &argSignif);  in poly_atan()