Function dhelp_get_deriv_factor#

Function Documentation#

coeff_t dhelp_get_deriv_factor(imdir_t idx, ord_t order, dhelpl_t dhl)#

Returns the factor to multiply a given coefficient by (idx,order) imaginary direction, such that the corresponding derivative is retreived.

Parameters:

  • idx – [in] Index of the imaginary direction.

  • order – [in] Order of the imaginary direction.

  • dhl – [in] Direction helper list