Lines Matching refs:z
38 float z,p,q,r,w,s,c,df; in acosf() local
50 z = x*x; in acosf()
51 p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5))))); in acosf()
52 q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4))); in acosf()
56 z = (one+x)*(float)0.5; in acosf()
57 p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5))))); in acosf()
58 q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4))); in acosf()
59 s = sqrtf(z); in acosf()
65 z = (one-x)*(float)0.5; in acosf()
66 s = sqrtf(z); in acosf()
70 c = (z-df*df)/(s+df); in acosf()
71 p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5))))); in acosf()
72 q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4))); in acosf()