Function Acts::VectorHelpers::evaluateTrigonomics

Function Documentation

const std::array<ActsScalar, 5> Acts::VectorHelpers::evaluateTrigonomics(const Vector3 &direction)

Fast evaluation of trigonomic functions.

Return

cos(phi), sin(phi), cos(theta), sin(theta), 1/sin(theta)

Parameters

  • direction: for this evaluatoin