void (* BoundaryConditionsGetPdf)(struct KernelData_ * kd, int x, int y, int z, int dir, PdfT * pdf);
void (* BoundaryConditionsSetPdf)(struct KernelData_ * kd, int x, int y, int z, int dir, PdfT pdf);
void (* BoundaryConditionsGetPdf)(struct KernelData_ * kd, int x, int y, int z, int dir, PdfT * pdf);
void (* BoundaryConditionsSetPdf)(struct KernelData_ * kd, int x, int y, int z, int dir, PdfT pdf);