phono3py/c/triplet_iw.h

64 lines
2.9 KiB
C

/* Copyright (C) 2016 Atsushi Togo */
/* All rights reserved. */
/* phono3py. This file is part of phonopy. */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions */
/* are met: */
/* * Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* * Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the */
/* distribution. */
/* * Neither the name of the phonopy project nor the names of its */
/* contributors may be used to endorse or promote products derived */
/* from this software without specific prior written permission. */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE */
/* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, */
/* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER */
/* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT */
/* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN */
/* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
#ifndef __triplet_iw_H__
#define __triplet_iw_H__
#include <stdint.h>
#include "bzgrid.h"
void tpi_get_integration_weight(
double *iw, char *iw_zero, const double *frequency_points,
const int64_t num_band0,
const int64_t tp_relative_grid_address[2][24][4][3],
const int64_t triplets[3], const int64_t num_triplets,
const RecgridConstBZGrid *bzgrid, const double *frequencies1,
const int64_t num_band1, const double *frequencies2,
const int64_t num_band2, const int64_t tp_type,
const int64_t openmp_per_triplets);
void tpi_get_integration_weight_with_sigma(
double *iw, char *iw_zero, const double sigma, const double cutoff,
const double *frequency_points, const int64_t num_band0,
const int64_t triplet[3], const int64_t const_adrs_shift,
const double *frequencies, const int64_t num_band, const int64_t tp_type,
const int64_t openmp_per_triplets);
void tpi_get_neighboring_grid_points(int64_t *neighboring_grid_points,
const int64_t grid_point,
const int64_t (*relative_grid_address)[3],
const int64_t num_relative_grid_address,
const RecgridConstBZGrid *bzgrid);
#endif