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#include "gmp.h"
#include "gmp-impl.h"
#include "mpfr.h"
void mpfr_neg(mpfr_t a, mpfr_t b, unsigned char rnd_mode)
{
CHANGE_SIGN(b);
if (a != b) {
mpfr_set(a, b, rnd_mode);
CHANGE_SIGN(b);
}
return;
}
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