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27 lines
461 B
27 lines
461 B
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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int __cdecl main(int argc, char **argv)
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{
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unsigned long ul;
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float *pf;
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if (argc <= 1)
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printf("usage: hex2f [32-bit hex number] ==> output is float val\n");
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else
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{
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ul = strtoul(argv[1], 0, 16);
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pf = (float *) &ul;
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if (*pf == 0.0)
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return 0;
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if (*pf == -0.0)
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return 2;
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printf("0x%08lx = %f", ul, *pf);
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}
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return -1;
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}
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