1 /* 2 * Copyright (c) 2012-2014, The University of Oxford 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * 3. Neither the name of the University of Oxford nor the names of its 13 * contributors may be used to endorse or promote products derived from this 14 * software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef OSKAR_PRIVATE_SPLINES_H_ 30 #define OSKAR_PRIVATE_SPLINES_H_ 31 32 #include <mem/oskar_mem.h> 33 34 /* 35 * This structure holds the data required to construct a surface from 36 * splines. 37 */ 38 struct oskar_Splines 39 { 40 int precision; 41 int mem_location; 42 int num_knots_x_theta; /* Number of knots in x or theta. */ 43 int num_knots_y_phi; /* Number of knots in y or phi. */ 44 oskar_Mem* knots_x_theta; /* Knot positions in x or theta. */ 45 oskar_Mem* knots_y_phi; /* Knot positions in y or phi. */ 46 oskar_Mem* coeff; /* Spline coefficient array. */ 47 double smoothing_factor; /* Actual smoothing factor used for the fit. */ 48 }; 49 50 #ifndef OSKAR_SPLINES_TYPEDEF_ 51 #define OSKAR_SPLINES_TYPEDEF_ 52 typedef struct oskar_Splines oskar_Splines; 53 #endif /* OSKAR_SPLINES_TYPEDEF_ */ 54 55 #endif /* OSKAR_PRIVATE_SPLINES_H_ */ 56