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int abs(int j);
extern void abort(void);
__attribute__((noinline)) int lisp_atan2(long dy, long dx) {
if (dx <= 0)
if (dy > 0)
return abs(dx) <= abs(dy);
return 0;
}
int main() {
volatile long dy = 63, dx = -77;
if (lisp_atan2(dy, dx))
abort();
return 0;
}
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