Lines Matching refs:z
40 float z,p,q,r,w,s,c,df; in acosf() local
53 z = x*x; in acosf()
54 p = z*(pS0+z*(pS1+z*pS2)); in acosf()
55 q = one+z*(qS1+z*qS2); in acosf()
59 z = (one+x)*(float)0.5; in acosf()
60 p = z*(pS0+z*(pS1+z*pS2)); in acosf()
61 q = one+z*(qS1+z*qS2); in acosf()
62 s = sqrtf(z); in acosf()
68 z = (one-x)*(float)0.5; in acosf()
69 s = sqrtf(z); in acosf()
73 c = (z-df*df)/(s+df); in acosf()
74 p = z*(pS0+z*(pS1+z*pS2)); in acosf()
75 q = one+z*(qS1+z*qS2); in acosf()