Lines Matching refs:x
115 log2l(long double x) in log2l() argument
121 if( isnan(x) ) in log2l()
122 return(x + x); in log2l()
124 if( x <= 0.0L ) in log2l()
126 if( x == 0.0L ) in log2l()
129 return __math_invalidl(x); in log2l()
132 if( isinf(x) ) in log2l()
133 return(x); in log2l()
140 x = frexpl( x, &e ); in log2l()
148 if( x < SQRTH ) in log2l()
151 z = x - 0.5L; in log2l()
156 z = x - 0.5L; in log2l()
158 y = 0.5L * x + 0.5L; in log2l()
160 x = z / y; in log2l()
161 z = x*x; in log2l()
162 y = x * ( z * __polevll( z, R, 3 ) / __p1evll( z, S, 3 ) ); in log2l()
169 if( x < SQRTH ) in log2l()
172 x = ldexpl( x, 1 ) - 1.0L; /* 2x - 1 */ in log2l()
176 x = x - 1.0L; in log2l()
178 z = x*x; in log2l()
179 y = x * ( z * __polevll( x, P, 6 ) / __p1evll( x, Q, 7 ) ); in log2l()
193 z += x * LOG2EA; in log2l()
195 z += x; in log2l()