qpms/qpms/translations_inlines.h

39 lines
1.5 KiB
C

#ifndef TRANSLATIONS_INLINES_H
#define TRANSLATIONS_INLINES_H
#include "translations.h"
#include "indexing.h"
/// Rearranges the default-ordered "A,B" array elements into "bspec"-defined matrix.
// TODO DOC
static inline void qpms_trans_array_from_AB(
complex double *t,
const qpms_vswf_set_spec_t *const t_destspec,
const size_t t_deststride,
const qpms_vswf_set_spec_t *const t_srcspec,
const size_t t_srcstride,
const complex double *const A, const complex double *const B,
/// A and B matrices' lMax.
/** This also determines their size and stride: they are assumed to
* be square matrices of size `nelem * nelem` where
* `nelem = qpms_lMax2nelem(lMax_AB)`
*/
const qpms_l_t lMax_AB
) {
QPMS_PARANOID_ASSERT(lMax_AB >= t_srcspec->lMax && lMax_AB >= t_destspec->lMax);
const qpms_y_t nelem_AB = qpms_lMax2nelem(lMax_AB);
for (size_t desti = 0; desti < t_destspec->n; ++desti) {
qpms_y_t desty; qpms_vswf_type_t destt;
QPMS_ENSURE_SUCCESS_M(qpms_uvswfi2ty(t_destspec->ilist[desti], &destt, &desty),
"Invalid u. vswf index %llx.", t_destspec->ilist[desti]);
for (size_t srci = 0; srci < t_srcspec->n; ++srci){
qpms_y_t srcy; qpms_vswf_type_t srct;
QPMS_ENSURE_SUCCESS_M(qpms_uvswfi2ty(t_srcspec->ilist[srci], &srct, &srcy),
"Invalid u. vswf index %llx.", t_srcspec->ilist[srci]); t[srci * t_srcstride + desti * t_deststride]
= (srct == destt) ? A[desty*nelem_AB + srcy] : B[desty*nelem_AB + srcy];
}
}
}
#endif