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authorTectu <joel@unormal.org>2012-07-18 03:42:05 +0200
committerTectu <joel@unormal.org>2012-07-18 03:42:05 +0200
commit096701a6ad8f2ba5512aff4ee430ca0d626fff7a (patch)
tree647c32fb1ffbcc895b4b1ffa119c8c3ee88f9948 /fastMath.c
parent24692be747aa4d94e264219d6f18bcc6beec76ff (diff)
downloaduGFX-096701a6ad8f2ba5512aff4ee430ca0d626fff7a.tar.gz
uGFX-096701a6ad8f2ba5512aff4ee430ca0d626fff7a.tar.bz2
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restructorizing
Diffstat (limited to 'fastMath.c')
-rw-r--r--fastMath.c159
1 files changed, 0 insertions, 159 deletions
diff --git a/fastMath.c b/fastMath.c
deleted file mode 100644
index 26ae0d3f..00000000
--- a/fastMath.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * fastMath.c
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Created on: 07.09.2011
- * Author: Roland Domke
- * Copyright: 2011 Roland Domke
- */
-
-
-//achtung wird im RAM abgelegt!
-float sintable[91] = {
- 0
- ,0.017452406
- ,0.034899497
- ,0.052335956
- ,0.069756474
- ,0.087155743
- ,0.104528463
- ,0.121869343
- ,0.139173101
- ,0.156434465
- ,0.173648178
- ,0.190808995
- ,0.207911691
- ,0.224951054
- ,0.241921896
- ,0.258819045
- ,0.275637356
- ,0.292371705
- ,0.309016994
- ,0.325568154
- ,0.342020143
- ,0.35836795
- ,0.374606593
- ,0.390731128
- ,0.406736643
- ,0.422618262
- ,0.438371147
- ,0.4539905
- ,0.469471563
- ,0.48480962
- ,0.5
- ,0.515038075
- ,0.529919264
- ,0.544639035
- ,0.559192903
- ,0.573576436
- ,0.587785252
- ,0.601815023
- ,0.615661475
- ,0.629320391
- ,0.64278761
- ,0.656059029
- ,0.669130606
- ,0.68199836
- ,0.69465837
- ,0.707106781
- ,0.7193398
- ,0.731353702
- ,0.743144825
- ,0.75470958
- ,0.766044443
- ,0.777145961
- ,0.788010754
- ,0.79863551
- ,0.809016994
- ,0.819152044
- ,0.829037573
- ,0.838670568
- ,0.848048096
- ,0.857167301
- ,0.866025404
- ,0.874619707
- ,0.882947593
- ,0.891006524
- ,0.898794046
- ,0.906307787
- ,0.913545458
- ,0.920504853
- ,0.927183855
- ,0.933580426
- ,0.939692621
- ,0.945518576
- ,0.951056516
- ,0.956304756
- ,0.961261696
- ,0.965925826
- ,0.970295726
- ,0.974370065
- ,0.978147601
- ,0.981627183
- ,0.984807753
- ,0.987688341
- ,0.990268069
- ,0.992546152
- ,0.994521895
- ,0.996194698
- ,0.99756405
- ,0.998629535
- ,0.999390827
- ,0.999847695
- ,1
-
-};
-
-float getSin(unsigned int degree)
-{
- degree = degree % 360;
- if(degree <= 90)
- {
- return sintable[degree];
- }
- else if(degree <= 180)
- {
- return sintable[180-degree];
- }
- else if(degree <= 270)
- {
- return sintable[degree-180]*(-1.0);
- }
- else
- {
- return sintable[360-degree]*(-1.0);
- }
-}
-
-double getCos(unsigned int degree)
-{
- degree = degree % 360;
- return getSin(degree+90);
-}
-
-/* signum function */
-char sgn(char x){
- return (x > 0) ? 1 : (x < 0) ? -1 : 0;
-}
-
-unsigned char max(unsigned char a, unsigned char b)
-{
- return (a<b) ? b : a;
-}
-
-unsigned char min (unsigned char a, unsigned char b)
-{
- return (a<b) ? a : b;
-}