1 #ifndef VDW_RADIAL_H
2 #define VDW_RADIAL_H
3 
4 #include "vdwxc.h"
5 
6 #define VDW_FBT_FORWARD 1
7 #define VDW_FBT_BACKWARD 2
8 
9 
10 void vdwxc_fourier_bessel_transform(int Ninput, int Noutput,
11                                     int lda_input, int lda_output,
12                                     double dr, int premul_input,
13                                     double* input, double* output,
14                                     int direction);
15 
16 // Debug function, to test the spherical Bessel transform
17 double vdwxc_calculate_radial_hartree(int N, double dr, double* rho_i, double* dedn_i);
18 #endif
19