6 *****************************************************************************
8 * Copyright (c) 2004, Luke Sheneman
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
15 * + Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * + Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
21 * + The names of its contributors may not be used to endorse or promote
22 * products derived from this software without specific prior
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
37 *****************************************************************************
39 * A header file filled with common definitions and simple inline functions
41 *****************************************************************************
46 * sheneman@cs.uidaho.edu
51 #ifndef _INC_NJ_COMMON_H_
52 #define _INC_NJ_COMMON_H_ 1
58 #define NJ_AMBIGUITY_CHAR 63 /* ? character */
62 * this macro defines the number of cells in the diagonal matrix
63 * based on the number of taxa involved
66 #define NJ_NCELLS(a) ( ((a)*(a+1))/2 )
74 * Thus function maps i, j coordinates to the correct offset into
84 return((i*(2*ntaxa-i-1))/2 + j);
93 if(fabs(x - y)<FLT_EPSILON) {
107 if(NJ_FLT_EQ(x, y)) {
124 if(NJ_FLT_EQ(x, y)) {
138 #endif /* _INC_NJ_COMMON_H_ */