小数値（32bit Float）から4バイトのバイナリを求めるツールです。
| Revision | 1 (tree) |
|---|---|
| Time | 2014-06-01 22:39:03 |
| Author |  xops-mikan |
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32bitFloatBinary.cpp (diff)| @@ -0,0 +1,28 @@ | ||
| 1 | +#include <stdio.h> | |
| 2 | +#include <windows.h> | |
| 3 | + | |
| 4 | +union ufloat { | |
| 5 | + float f; | |
| 6 | + unsigned u; | |
| 7 | +}; | |
| 8 | + | |
| 9 | +int main() | |
| 10 | +{ | |
| 11 | + ufloat u1; | |
| 12 | + float x; | |
| 13 | + | |
| 14 | + printf("数値を入力してください > "); | |
| 15 | + scanf("%f", &x); | |
| 16 | + u1.f = x; | |
| 17 | + | |
| 18 | + //printf("%X", u1.u); | |
| 19 | + printf("%02X ", (unsigned char)(u1.u&0x000000FF)); | |
| 20 | + printf("%02X ", (unsigned char)((u1.u&0x0000FF00) >> 8)); | |
| 21 | + printf("%02X ", (unsigned char)((u1.u&0x00FF0000) >> 16)); | |
| 22 | + printf("%02X ", (unsigned char)((u1.u&0xFF000000) >> 24)); | |
| 23 | + | |
| 24 | + printf("\n"); | |
| 25 | + system("pause"); | |
| 26 | + | |
| 27 | + return 0; | |
| 28 | +} | |
| \ No newline at end of file |
