Lines Matching refs:x
73 atan(double x) in atan() argument
78 GET_HIGH_WORD(hx,x); in atan()
82 GET_LOW_WORD(low,x); in atan()
85 return x+x; /* NaN */ in atan()
90 if(huge+x>one) return x; /* raise inexact */ in atan()
94 x = fabs(x); in atan()
97 id = 0; x = (2.0*x-one)/(2.0+x); in atan()
99 id = 1; x = (x-one)/(x+one); in atan()
103 id = 2; x = (x-1.5)/(one+1.5*x); in atan()
105 id = 3; x = -1.0/x; in atan()
109 z = x*x; in atan()
114 if (id<0) return x - x*(s1+s2); in atan()
116 z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x); in atan()