Lines Matching refs:z
100 double z,ax,z_h,z_l,p_h,p_l; in __ieee754_pow() local
162 z = ax; /*x is +-0,+-inf,+-1*/ in __ieee754_pow()
163 if(hy<0) z = one/z; /* z = (1/|x|) */ in __ieee754_pow()
166 z = (z-z)/(z-z); /* (-1)**non-int is NaN */ in __ieee754_pow()
168 z = -z; /* (x<0)**odd = -(|x|**odd) */ in __ieee754_pow()
170 return z; in __ieee754_pow()
259 z = p_l+p_h; in __ieee754_pow()
260 EXTRACT_WORDS(j,i,z); in __ieee754_pow()
265 if(p_l+ovt>z-p_h) return s*huge*huge; /* overflow */ in __ieee754_pow()
271 if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */ in __ieee754_pow()
293 z = u+v; in __ieee754_pow()
294 w = v-(z-u); in __ieee754_pow()
295 t = z*z; in __ieee754_pow()
296 t1 = z - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))); in __ieee754_pow()
297 r = (z*t1)/(t1-two)-(w+z*w); in __ieee754_pow()
298 z = one-(r-z); in __ieee754_pow()
299 GET_HIGH_WORD(j,z); in __ieee754_pow()
301 if((j>>20)<=0) z = scalbn(z,n); /* subnormal output */ in __ieee754_pow()
302 else SET_HIGH_WORD(z,j); in __ieee754_pow()
303 return s*z; in __ieee754_pow()