Lines Matching refs:x
49 atanf(float x) in atanf() argument
54 GET_FLOAT_WORD(hx,x); in atanf()
58 return x+x; /* NaN */ in atanf()
63 if(huge+x>one) return x; /* raise inexact */ in atanf()
67 x = fabsf(x); in atanf()
70 id = 0; x = ((float)2.0*x-one)/((float)2.0+x); in atanf()
72 id = 1; x = (x-one)/(x+one); in atanf()
76 id = 2; x = (x-(float)1.5)/(one+(float)1.5*x); in atanf()
78 id = 3; x = -(float)1.0/x; in atanf()
82 z = x*x; in atanf()
87 if (id<0) return x - x*(s1+s2); in atanf()
89 z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x); in atanf()