]>
Commit | Line | Data |
---|---|---|
76a66253 JM |
1 | #define _GNU_SOURCE |
2 | #include <stdint.h> | |
3 | #include <stdio.h> | |
4 | #include <math.h> | |
5 | ||
6 | int main (void) | |
7 | { | |
8 | double d; | |
9 | uint8_t n; | |
10 | int i; | |
3b46e624 | 11 | |
76a66253 JM |
12 | printf("static const uint8_t mfrom_ROM_table[602] =\n{\n "); |
13 | for (i = 0; i < 602; i++) { | |
4abf79a4 | 14 | /* Extremely decomposed: |
76a66253 JM |
15 | * -T0 / 256 |
16 | * T0 = 256 * log10(10 + 1.0) + 0.5 | |
17 | */ | |
18 | d = -i; | |
19 | d /= 256.0; | |
20 | d = exp10(d); | |
21 | d += 1.0; | |
22 | d = log10(d); | |
23 | d *= 256; | |
24 | d += 0.5; | |
25 | n = d; | |
26 | printf("%3d, ", n); | |
27 | if ((i & 7) == 7) | |
28 | printf("\n "); | |
29 | } | |
30 | printf("\n};\n"); | |
31 | ||
32 | return 0; | |
33 | } |