Searched refs:cos2a (Results 1 – 4 of 4) sorted by relevance
158 cos2a = math.sqrt((1+cos4a)*0.5)160 cosa = math.sqrt((1+cos2a)*0.5)161 sina = math.sqrt((1-cos2a)*0.5)164 cos2a = -cos2a
306 ValueType cos2a = std::cos( angle/2.0 ); in itkVersorTest() local308 if( std::abs(qa.GetW()-cos2a) > epsilon ) in itkVersorTest()312 std::cout << " it should be " << cos2a << std::endl; in itkVersorTest()
95 struct HLterms { ftype cosa, sina, cos2a, sin2a; }; member
131 q = hl_a*trig.cosa + hl_b*trig.sina + hl_c*trig.cos2a + hl_d*trig.sin2a; in operator ()()181 hlterms[a].cos2a = cos(2.0*phi); in init()