multidip_levin.f90 File Reference

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Modules
module	multidip_levin
	Levin quadrature for numerical integration.

Functions/Subroutines
subroutine	multidip_levin::nested_cgreen_correct_levin (z, a, b, c, n, sa, sb, m, l, k, v)
	Numerically correct asymptotic approximation of the Coulomb-Green integral (Levin integration)
complex(wp) function	multidip_levin::levin_adapt (z, ra, rb, c, m, s1, s2, l1, l2, k1, k2)
	One-dimensional adaptive Levin integration.
subroutine	multidip_levin::levin_prepare (z, ra, rb, s1, s2, l1, l2, k1, k2, depth, converged, hl_buffer)
	Precalculate Coulomb-Hankel functions for subsequent Levin integration.
subroutine	multidip_levin::levin_eval (z, r, s1, s2, l1, l2, k1, k2, hl)
	Evaluate a pair of Coulomb-Hankel functions in given point.
recursive subroutine	multidip_levin::levin_improve (z, ra, rb, c, m, l1, l2, k1, k2, depth, interval_idx, tgt_depth, converged, hl, estimates)
	Perform one subdivision iteration of adaptive Levin integration and update estimates.
complex(wp) function	multidip_levin::levin_integrate (z, ra, rb, c, m, l1, l2, k1, k2, hla, hlb)
	Fixed-order Levin integration.
complex(wp) function	multidip_levin::levin_integrate_2x2 (z, ra, rb, c, m, lc, lo, kc, ko, wa, wb)
	Fixed-order Levin integration (dim 2)
complex(wp) function	multidip_levin::levin_integrate_4x4 (z, ra, rb, c, m, l1, l2, k1, k2, hla, hlb)
	Fixed-order Levin integration (dim 4)