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12 lines
212 B
C
12 lines
212 B
C
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#include <stdio.h>
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int __signbit (double __x) {
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union { double __d; int __i[3]; } __u = { __d: __x };
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return __u.__i[1] < 0;
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}
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int main() {
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printf("%d %d\n", __signbit(-1), __signbit(2.0));
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return 0;
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}
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