struct xf::fintech::FdG2SwaptionEngine::TripleBandLinearΒΆ
both first-derivative and second-derivative operators
// fields DT lower[_xGridMax] DT diag[_xGridMax] DT upper[_xGridMax]
both first-derivative and second-derivative operators
// fields DT lower[_xGridMax] DT diag[_xGridMax] DT upper[_xGridMax]