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fix mpreal for mpfr<4.0.0

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This commit is contained in:
Gael Guennebaud 2018-10-09 09:15:22 +02:00
parent d16634c4d4
commit 93a6192e98
1 changed files with 5 additions and 1 deletions
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6
unsupported/test/mpreal/mpreal.h
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@ -2206,7 +2206,11 @@ inline const mpreal sqrt(const int v, mp_rnd_t rnd_mode)
inline const mpreal root(const mpreal& x, unsigned long int k, mp_rnd_t r = mpreal::get_default_rnd()) inline const mpreal root(const mpreal& x, unsigned long int k, mp_rnd_t r = mpreal::get_default_rnd())
{ {
mpreal y(0, mpfr_get_prec(x.mpfr_srcptr())); mpreal y(0, mpfr_get_prec(x.mpfr_srcptr()));
mpfr_rootn_ui(y.mpfr_ptr(), x.mpfr_srcptr(), k, r); #if (MPFR_VERSION >= MPFR_VERSION_NUM(4,0,0))
mpfr_rootn_ui(y.mpfr_ptr(), x.mpfr_srcptr(), k, r);
#else
mpfr_root(y.mpfr_ptr(), x.mpfr_srcptr(), k, r);
#endif
return y; return y;
} }