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Move some legacy code from qpms_types.h to normalisation.h; to be pruned later. 

Former-commit-id: 0078e465757bc40f574837f196a7ab0c08529db8
This commit is contained in:
Marek Nečada 2019-07-14 09:48:29 +03:00
parent 45b8233862
commit 0610f98854
3 changed files with 74 additions and 74 deletions
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1
qpms/groups.h
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@ -25,6 +25,7 @@
#define QPMS_GROUPS_H #define QPMS_GROUPS_H
#include "qpms_types.h" #include "qpms_types.h"
#include <assert.h>
/// To be used only in qpms_finite_group_t /// To be used only in qpms_finite_group_t
struct qpms_finite_group_irrep_t { struct qpms_finite_group_irrep_t {

73
qpms/normalisation.h
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@ -207,4 +207,77 @@ static inline complex double qpms_spharm_azimuthal_part_derivative_div_m(qpms_no
QPMS_WTF; QPMS_WTF;
} }
} }
#if 0 // legacy code moved from qpms_types.h. TODO cleanup
/// Returns the normalisation convention code without the Condon-Shortley phase.
static inline int qpms_normalisation_t_normonly(qpms_normalisation_t norm) {
return norm & (~QPMS_NORMALISATION_T_CSBIT);
}
/* Normalisation of the spherical waves is now scattered in at least three different files:
* here, we have the norm in terms of radiated power of outgoing wave.
* In file legendre.c, function qpms_pitau_get determines the norm used in the vswf.c
* spherical vector wave norms. The "dual" waves in vswf.c use the ..._abssquare function below.
* In file translations.c, the normalisations are again set by hand using the normfac and lognormfac
* functions.
*/
#include <math.h>
#include <assert.h>
// relative to QPMS_NORMALISATION_KRISTENSSON_CS, i.e.
// P_l^m[normtype] = P_l^m[Kristensson]
static inline double qpms_normalisation_t_factor(qpms_normalisation_t norm, qpms_l_t l, qpms_m_t m) {
int csphase = qpms_normalisation_t_csphase(norm);
norm = qpms_normalisation_t_normonly(norm);
double factor;
switch (norm) {
case QPMS_NORMALISATION_KRISTENSSON:
factor = 1.;
break;
case QPMS_NORMALISATION_TAYLOR:
factor = sqrt(l*(l+1));
break;
case QPMS_NORMALISATION_NONE:
factor = sqrt(l*(l+1) * 4 * M_PI / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1)));
break;
#ifdef USE_XU_ANTINORMALISATION // broken probably in legendre.c
case QPMS_NORMALISATION_XU:
factor = sqrt(4 * M_PI) / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1));
break;
#endif
default:
assert(0);
}
factor *= (m%2)?(-csphase):1;
return factor;
}
// TODO move elsewhere
static inline double qpms_normalisation_t_factor_abssquare(qpms_normalisation_t norm, qpms_l_t l, qpms_m_t m) {
norm = qpms_normalisation_t_normonly(norm);
switch (norm) {
case QPMS_NORMALISATION_KRISTENSSON:
return 1.;
break;
case QPMS_NORMALISATION_TAYLOR:
return l*(l+1);
break;
case QPMS_NORMALISATION_NONE:
return l*(l+1) * 4 * M_PI / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1));
break;
#ifdef USE_XU_ANTINORMALISATION // broken probably in legendre.c
case QPMS_NORMALISATION_XU:
{
double fac = sqrt(4 * M_PI) / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1));
return fac * fac;
}
break;
#endif
default:
assert(0);
return NAN;
}
}
#endif
#endif //NORMALISATION_H #endif //NORMALISATION_H

74
qpms/qpms_types.h
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@ -166,80 +166,6 @@ static inline int qpms_normalisation_t_csphase(qpms_normalisation_t norm) {
return (norm & QPMS_NORMALISATION_CSPHASE)? -1 : 1; return (norm & QPMS_NORMALISATION_CSPHASE)? -1 : 1;
} }
#if 0
/// Returns the normalisation convention code without the Condon-Shortley phase.
static inline int qpms_normalisation_t_normonly(qpms_normalisation_t norm) {
return norm & (~QPMS_NORMALISATION_T_CSBIT);
}
// TODO move the inlines elsewhere
/* Normalisation of the spherical waves is now scattered in at least three different files:
* here, we have the norm in terms of radiated power of outgoing wave.
* In file legendre.c, function qpms_pitau_get determines the norm used in the vswf.c
* spherical vector wave norms. The "dual" waves in vswf.c use the ..._abssquare function below.
* In file translations.c, the normalisations are again set by hand using the normfac and lognormfac
* functions.
*/
#include <math.h>
#include <assert.h>
// relative to QPMS_NORMALISATION_KRISTENSSON_CS, i.e.
// P_l^m[normtype] = P_l^m[Kristensson]
static inline double qpms_normalisation_t_factor(qpms_normalisation_t norm, qpms_l_t l, qpms_m_t m) {
int csphase = qpms_normalisation_t_csphase(norm);
norm = qpms_normalisation_t_normonly(norm);
double factor;
switch (norm) {
case QPMS_NORMALISATION_KRISTENSSON:
factor = 1.;
break;
case QPMS_NORMALISATION_TAYLOR:
factor = sqrt(l*(l+1));
break;
case QPMS_NORMALISATION_NONE:
factor = sqrt(l*(l+1) * 4 * M_PI / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1)));
break;
#ifdef USE_XU_ANTINORMALISATION // broken probably in legendre.c
case QPMS_NORMALISATION_XU:
factor = sqrt(4 * M_PI) / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1));
break;
#endif
default:
assert(0);
}
factor *= (m%2)?(-csphase):1;
return factor;
}
// TODO move elsewhere
static inline double qpms_normalisation_t_factor_abssquare(qpms_normalisation_t norm, qpms_l_t l, qpms_m_t m) {
norm = qpms_normalisation_t_normonly(norm);
switch (norm) {
case QPMS_NORMALISATION_KRISTENSSON:
return 1.;
break;
case QPMS_NORMALISATION_TAYLOR:
return l*(l+1);
break;
case QPMS_NORMALISATION_NONE:
return l*(l+1) * 4 * M_PI / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1));
break;
#ifdef USE_XU_ANTINORMALISATION // broken probably in legendre.c
case QPMS_NORMALISATION_XU:
{
double fac = sqrt(4 * M_PI) / (2*l+1) * exp(lgamma(l+m+1)-lgamma(l-m+1));
return fac * fac;
}
break;
#endif
default:
assert(0);
return NAN;
}
}
#endif
/// Bessel function kinds. /// Bessel function kinds.
typedef enum { typedef enum {
QPMS_BESSEL_REGULAR = 1, ///< regular (spherical) Bessel function \a j (Bessel function of the first kind) QPMS_BESSEL_REGULAR = 1, ///< regular (spherical) Bessel function \a j (Bessel function of the first kind)