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portability tooling

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This commit is contained in:
John Kerl 2015-12-06 14:51:58 -05:00
parent adff8f73d6
commit 63ff2829f7
1 changed files with 20 additions and 0 deletions
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20
c/experimental/fltres.c Normal file
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#include <stdio.h>
static void show(long long i) {
double d = (double) i;
long long j = (long long) d;
printf("%016llx %lld %lf %016llx\n", i, i, d, j);
}
int main() {
show(0x7ffffffffffff9ff);
show(0x7ffffffffffffa00);
show(0x7ffffffffffffbff);
show(0x7ffffffffffffc00);
show(0x7ffffffffffffdff);
show(0x7ffffffffffffe00);
show(0x7ffffffffffffffe);
show(0x7fffffffffffffff);
return 0;
}