Hide dependency on SPHERE subroutines behind include guardian

#include "Commons.h"

#endif

#ifndef INCLUDE_SPH_SUBS_H_

#include "../include/sph_subs.h"

#endif

#ifndef INCLUDE_CLU_SUBS_H_

#define INCLUDE_CLU_SUBS_H_

#include <complex>

// >>> DECLARATION OF SPH_SUBS <<<

extern void aps(double ****zpv, int li, int nsph, C1 *c1, double sqk, double *gaps);

extern std::complex<double> dconjg(std::complex<double> value);

extern double cg1(int lmpml, int mu, int l, int m);

extern void dme(

		int li, int i, int npnt, int npntts, double vk, double exdc, double exri,

		C1 *c1, C2 *c2, int &jer, int &lcalc, std::complex<double> &arg

);

extern void rabas(

		  int inpol, int li, int nsph, C1 *c1, double **tqse, std::complex<double> **tqspe,

		  double **tqss, std::complex<double> **tqsps

);

extern void rbf(int n, double x, int &nm, double sj[]);

extern void rnf(int n, double x, int &nm, double sy[]);

extern void mmulc(std::complex<double> *vint, double **cmullr, double **cmul);

extern void sphar(double cth, double sth, double cph, double sph, int lm, std::complex<double> *ylm);

extern void thdps(int lm, double ****zpv);

extern void upvmp(

		  double thd, double phd, int icspnv, double &cost, double &sint,

		  double &cosp, double &sinp, double *u, double *up, double *un

);

extern void upvsp(

		  double *u, double *upmp, double *unmp, double *us, double *upsmp, double *unsmp,

		  double *up, double *un, double *ups, double *uns, double *duk, int &isq,

		  int &ibf, double &scand, double &cfmp, double &sfmp, double &cfsp, double &sfsp

);

extern void wmamp(

		  int iis, double cost, double sint, double cosp, double sinp, int inpol,

		  int lm, int idot, int nsph, double *arg, double *u, double *up,

		  double *un, C1 *c1

);

extern void wmasp(

		  double cost, double sint, double cosp, double sinp, double costs, double sints,

		  double cosps, double sinps, double *u, double *up, double *un, double *us,

		  double *ups, double *uns, int isq, int ibf, int inpol, int lm, int idot,

		  int nsph, double *argi, double *args, C1 *c1

);

// >>> END OF SPH_SUBS DECLARATION <<<

/*! \brief C++ porting of APC

 *

 * \param zpv: `double ****`