fermisurfer  2.0.0
fermisurfer
basic_math.hpp
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1 /*
2 The MIT License (MIT)
3 
4 Copyright (c) 2014 Mitsuaki KAWAMURA
5 
6 Permission is hereby granted, free of charge, to any person obtaining a copy
7 of this software and associated documentation files (the "Software"), to deal
8 in the Software without restriction, including without limitation the rights
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 copies of the Software, and to permit persons to whom the Software is
11 furnished to do so, subject to the following conditions:
12 
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15 
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 THE SOFTWARE.
23 */
24 #if defined(HAVE_CONFIG_H)
25 #include <config.h>
26 #endif
27 #if defined(HAVE_GL_GL_H)
28 #include <GL/gl.h>
29 #elif defined(HAVE_OPENGL_GL_H)
30 #include <OpenGL/gl.h>
31 #endif
32 
33 int modulo(int i, int n);
34 GLfloat solve3(GLfloat a[3][3], GLfloat b[3]);
35 void eigsort(int n, GLfloat *key, int *swap);
36 void normal_vec(GLfloat in1[3], GLfloat in2[3], GLfloat in3[3], GLfloat out[3]);
37 int get_thread();
eigsort
void eigsort(int n, GLfloat *key, int *swap)
Simple sort.
Definition: basic_math.cpp:88
modulo
int modulo(int i, int n)
Work as Modulo function of fortran.
Definition: basic_math.cpp:46
solve3
GLfloat solve3(GLfloat a[3][3], GLfloat b[3])
Solve linear system.
Definition: basic_math.cpp:58
normal_vec
void normal_vec(GLfloat in1[3], GLfloat in2[3], GLfloat in3[3], GLfloat out[3])
Calculate normal vector from corners of triangle.
Definition: basic_math.cpp:114
get_thread
int get_thread()
OpenMP wrapper, get the number of threads.
Definition: basic_math.cpp:139