15eb0001 |
1 | \r |
2 | // Make a Sine table\r |
3 | \r |
4 | #pragma warning (disable:4514)\r |
5 | \r |
6 | #include <stdio.h>\r |
7 | #include <stdlib.h>\r |
8 | #include <string.h>\r |
9 | #include <math.h>\r |
10 | \r |
11 | #define PI 3.14159265358979\r |
12 | \r |
13 | int main()\r |
14 | {\r |
15 | int i=0;\r |
16 | \r |
17 | printf ("\nshort Sine[0x100]=\n");\r |
18 | printf ("{\n");\r |
19 | \r |
20 | for (i=0;i<0x100;i++)\r |
21 | {\r |
22 | double fAng,fPos;\r |
23 | int nPos;\r |
24 | if ((i&7)==0) printf (" ");\r |
25 | \r |
26 | fAng=(double)i/(double)0x100;\r |
27 | fAng*=2*PI;\r |
28 | fPos=sin(fAng)*(double)0x4000;\r |
29 | nPos=(int)fPos;\r |
30 | printf ("%+6d,",nPos);\r |
31 | \r |
32 | if ((i&7)==7) printf ("\n");\r |
33 | }\r |
34 | \r |
35 | printf ("};\n");\r |
36 | \r |
37 | return 0;\r |
38 | }\r |