Lines Matching refs:z
193 double R,S,P,Q,s,y,z,r; in erf() local
207 z = x*x; in erf()
208 r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); in erf()
209 s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); in erf()
235 z = x; in erf()
236 SET_LOW_WORD(z,0); in erf()
237 r = __ieee754_exp(-z*z-0.5625)*__ieee754_exp((z-x)*(z+x)+R/S); in erf()
245 double R,S,P,Q,s,y,z,r; in erfc() local
256 z = x*x; in erfc()
257 r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); in erfc()
258 s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); in erfc()
273 z = one-erx; return z - P/Q; in erfc()
275 z = erx+P/Q; return one+z; in erfc()
293 z = x; in erfc()
294 SET_LOW_WORD(z,0); in erfc()
295 r = __ieee754_exp(-z*z-0.5625)* in erfc()
296 __ieee754_exp((z-x)*(z+x)+R/S); in erfc()