58 	Xsig accumulator, Numer, Denom, accumulatore, argSignif, argSq, argSqSq;  in poly_atan()  local
131 	argSq.lsw = argSignif.lsw;  in poly_atan()
132 	argSq.midw = argSignif.midw;  in poly_atan()
133 	argSq.msw = argSignif.msw;  in poly_atan()
134 	mul_Xsig_Xsig(&argSq, &argSq);  in poly_atan()
136 	argSqSq.lsw = argSq.lsw;  in poly_atan()
137 	argSqSq.midw = argSq.midw;  in poly_atan()
138 	argSqSq.msw = argSq.msw;  in poly_atan()
141 	accumulatore.lsw = argSq.lsw;  in poly_atan()
142 	XSIG_LL(accumulatore) = XSIG_LL(argSq);  in poly_atan()
144 	shr_Xsig(&argSq, 2 * (-1 - exponent - 1));  in poly_atan()
154 	mul64_Xsig(&accumulator, &XSIG_LL(argSq));  in poly_atan()
168 	mul_Xsig_Xsig(&accumulator, &argSq);  in poly_atan()