phono3py/c/grgrid.h

91 lines
3.9 KiB
C

/* Copyright (C) 2020 Atsushi Togo */
/* All rights reserved. */
/* This file is part of kspclib. */
/* 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 kspclib 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 __grgrid_H__
#define __grgrid_H__
#include <stddef.h>
#ifndef GRGCONST
#define GRGCONST
#endif
#ifdef MATWARNING
#define warning_print(...) fprintf(stderr,__VA_ARGS__)
#else
#define warning_print(...)
#endif
long grg_get_snf3x3(long D_diag[3],
long P[3][3],
long Q[3][3],
GRGCONST long A[3][3]);
long grg_transform_rotations(long (*transformed_rots)[3][3],
GRGCONST long (*rotations)[3][3],
const long num_rot,
const long D_diag[3],
GRGCONST long Q[3][3]);
void grg_get_all_grid_addresses(long grid_address[][3], const long D_diag[3]);
void grg_get_double_grid_address(long address_double[3],
const long address[3],
const long D_diag[3],
const long PS[3]);
void grg_get_grid_address(long address[3],
const long address_double[3],
const long D_diag[3],
const long PS[3]);
long grg_get_grid_index(const long address[3],
const long D_diag[3]);
long grg_get_double_grid_index(const long address_double[3],
const long D_diag[3],
const long PS[3]);
void grg_get_grid_address_from_index(long address[3],
const long grid_index,
const long D_diag[3]);
long grg_rotate_grid_index(const long grid_index,
GRGCONST long rotations[3][3],
const long D_diag[3],
const long PS[3]);
void grg_get_ir_grid_map(long ir_grid_indices[],
GRGCONST long (*rotations)[3][3],
const long num_rot,
const long D_diag[3],
const long PS[3]);
long grg_get_reciprocal_point_group(long rec_rotations[48][3][3],
GRGCONST long (*rotations)[3][3],
const long num_rot,
const long is_time_reversal);
#endif