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Bugfix for fp.fma. Fixes #872.

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This commit is contained in:
Christoph M. Wintersteiger 2017-07-28 20:16:13 +01:00
parent 33ebdc8adc
commit 0610392a05
3 changed files with 79 additions and 57 deletions
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13
src/util/mpf.h
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@ -300,6 +300,19 @@ class scoped_mpf : public _scoped_numeral<mpf_manager> {
mpf_exp_t exponent() const { return get().exponent; }
unsigned sbits() const { return get().sbits; }
void set(unsigned ebits, unsigned sbits) { get().set(ebits, sbits); }
void set(unsigned ebits, unsigned sbits, bool sign, mpf_exp_t exp, mpz & significand) {
get().set(ebits, sbits);
get().exponent = exp;
get().sign = sign;
if (&get().significand != &significand)
m().mpz_manager().set(get().significand, significand);
}
void set(unsigned ebits, unsigned sbits, bool sign, mpf_exp_t exp) {
get().set(ebits, sbits);
get().exponent = exp;
get().sign = sign;
m().mpz_manager().set(get().significand, 0);
}
public:
scoped_mpf(mpf_manager & m):_scoped_numeral<mpf_manager>(m) {}
scoped_mpf(scoped_mpf const & n):_scoped_numeral<mpf_manager>(n) {}