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noname007/float-754-check.c

Created October 18, 2018 12:34
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float-754-check.c
#include
int main() {
double a = 0.58, *aptr = &a;
float af = 0.58, *afptr = ⁡
printf(“%lu,%lx\n”,sizeof(a), *(long int *)aptr);
printf(“%lu,%x\n”,sizeof(af), *(int *)afptr);
// printf(“%lu,%d”,sizeof(a),(int) (a * 100) );
// int b = 21;
// printf(“%lu, %p\n”, sizeof(b), b);
// printf(“%lu, %d\n”, sizeof(b), (int)(float) b);
return 0;
}
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https://blog.csdn.net/Mr_eee/article/details/11768013

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100.000100000000000332 == 100.000100000000000333 // true

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