1 /*- 2 * Copyright (c) 2012-2017 Ilya Kaliman 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef LIBEFP_UTIL_H 28 #define LIBEFP_UTIL_H 29 30 #include "mathutil.h" 31 32 struct efp; 33 struct frag; 34 35 int efp_skip_frag_pair(const struct efp *, size_t, size_t); 36 struct swf efp_make_swf(const struct efp *, const struct frag *, 37 const struct frag *); 38 int efp_check_rotation_matrix(const mat_t *); 39 void efp_points_to_matrix(const double *, mat_t *); 40 const struct frag *efp_find_lib(struct efp *, const char *); 41 void efp_add_stress(const vec_t *, const vec_t *, mat_t *); 42 void efp_add_force(six_t *, const vec_t *, const vec_t *, 43 const vec_t *, const vec_t *); 44 void efp_sub_force(six_t *, const vec_t *, const vec_t *, 45 const vec_t *, const vec_t *); 46 void efp_move_pt(const vec_t *, const mat_t *, const vec_t *, vec_t *); 47 void efp_rotate_t2(const mat_t *, const double *, double *); 48 void efp_rotate_t3(const mat_t *, const double *, double *); 49 int efp_strcasecmp(const char *, const char *); 50 int efp_strncasecmp(const char *, const char *, size_t); 51 52 #endif /* LIBEFP_UTIL_H */ 53