interface.h

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#ifndef SSHT_INTERFACE_H
#define SSHT_INTERFACE_H
 
#include <stddef.h>
 
#include "ssht/ssht_dl.h"
#include "ssht/ssht_types.h"
 
typedef enum {
  DH_SOV = 0,
  GL_SOV,
  MW_SOV_SYM,
  MW_SOV_SYM_POLE,
  MW_SOV_SYM_SS,
  MW_SOV_SYM_SS_POLE,
  MW_SOV_SYM_LB,
  MW_SOV_SYM_LB_SS,
} ssht_transforms;
 
struct ssht_InterfaceParameters {
  unsigned int L;
  unsigned int L0;
  int spin;
  int verbosity;
  ssht_dl_method_t dl_method;
  ssht_transforms method;
};
 
void ssht_real_inverse(
    double *f,
    const ssht_complex_double *flm,
    const struct ssht_InterfaceParameters params);
 
void ssht_spin_inverse(
    ssht_complex_double *f,
    const ssht_complex_double *flm,
    const struct ssht_InterfaceParameters params);
 
void ssht_real_forward(
    ssht_complex_double *flm,
    const double *f,
    const struct ssht_InterfaceParameters params);
 
void ssht_spin_forward(
    ssht_complex_double *flm,
    const ssht_complex_double *f,
    const struct ssht_InterfaceParameters params);
 
size_t real_image_space_size(const struct ssht_InterfaceParameters params);
size_t spin_image_space_size(const struct ssht_InterfaceParameters params);
size_t harmonic_space_size(const struct ssht_InterfaceParameters params);
 
void gen_flm_real_interface(
    complex double *flm, int seed, const struct ssht_InterfaceParameters params);
void gen_flm_complex_interface(
    complex double *flm, int seed, const struct ssht_InterfaceParameters params);
void method_name(char *result, const struct ssht_InterfaceParameters params);
#endif