pi_lo
pi_lo = { 0xece675d1fc8f8cbbULL, 0xbfbeU }; /* -5.01655761266833202345e-20L */
pi_lo = { 0xece675d1fc8f8cbbULL, 0xbfbeU }; /* -5.01655761266833202345e-20L */
if(k > 60) z=pi_o_2+0.5*pi_lo; /* |y/x| > 2**60 */
case 2: return pi-(z-pi_lo);/* atan(+,-) */
return (z-pi_lo)-pi;/* atan(-,-) */
pi_lo = 1.2246467991473531772E-16; /* 0x3CA1A626, 0x33145C07 */
pi_lo = 1.5099578832e-07; /* 0x34222168 */
if(k > 60) z=pi_o_2+(float)0.5*pi_lo; /* |y/x| > 2**60 */
case 2: return pi-(z-pi_lo);/* atan(+,-) */
return (z-pi_lo)-pi;/* atan(-,-) */
case 2: return pi-(z-pi_lo);/* atan(+,-) */
return (z-pi_lo)-pi;/* atan(-,-) */
const long double pi_lo = 8.67181013012378102479704402604335225e-35L;
extern const long double pi_lo;
const long double pi_lo = -5.01655761266833202345e-20L;
extern const LONGDOUBLE pi_lo;