Lines Matching refs:pi
40 #define pi ((long double)pi1 + pi2)
43 pi = 3.14159265358979323846264338327950280e+00L;
75 case 2: return pi+tiny;/* atan(+0,-anything) = pi */
76 case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
96 case 2: return pi+tiny ; /* atan(+...,-INF) */
97 case 3: return -pi-tiny ; /* atan(-...,-INF) */
116 case 2: return pi-(z-pi_lo);/* atan(+,-) */
118 return (z-pi_lo)-pi;/* atan(-,-) */