Lines Matching refs:x
47 float atanf(float x) in atanf() argument
53 GET_FLOAT_WORD(ix, x); in atanf()
57 if (isnan(x)) in atanf()
58 return x; in atanf()
66 FORCE_EVAL(x*x); in atanf()
67 return x; in atanf()
71 x = fabsf(x); in atanf()
75 x = (2.0f*x - 1.0f)/(2.0f + x); in atanf()
78 x = (x - 1.0f)/(x + 1.0f); in atanf()
83 x = (x - 1.5f)/(1.0f + 1.5f*x); in atanf()
86 x = -1.0f/x; in atanf()
91 z = x*x; in atanf()
97 return x - x*(s1+s2); in atanf()
98 z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x); in atanf()