Lines Matching +full:2 +full:p5
16 #define OneThird 0x1.5555555555555p-2
20 #define TwoOverFive 0x1.999999999999ap-2
29 Let d = x - r, and scale = 2 / sqrt(pi) * exp(-r^2). For x near r,
35 + 1/3 (2 r^2 - 1) d^2
36 - 1/6 (r (2 r^2 - 3)) d^3
37 + 1/30 (4 r^4 - 12 r^2 + 3) d^4
38 - 1/90 (4 r^4 - 20 r^2 + 15) d^5
64 Set erf(r) to 0 and scale to 2/sqrt(pi) for |x| <= 0x1.cp-9. */ in arm_math_erf()
73 /* poly (d, r) = 1 + p1(r) * d + p2(r) * d^2 + ... + p5(r) * d^5. */ in arm_math_erf()
78 double p5 in arm_math_erf() local
83 double y = fma (p5, d2, p34); in arm_math_erf()