diff options
Diffstat (limited to 'acosh.c')
| -rw-r--r-- | acosh.c | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -26,7 +26,7 @@ MA 02110-1301, USA. */ * acosh= ln(x + sqrt(x^2-1)) */ int -mpfr_acosh (mpfr_ptr y, mpfr_srcptr x , mp_rnd_t rnd_mode) +mpfr_acosh (mpfr_ptr y, mpfr_srcptr x , mp_rnd_t rnd_mode) { MPFR_SAVE_EXPO_DECL (expo); int inexact; @@ -40,23 +40,23 @@ mpfr_acosh (mpfr_ptr y, mpfr_srcptr x , mp_rnd_t rnd_mode) { /* Nan, or zero or -Inf */ if (MPFR_IS_INF (x) && MPFR_IS_POS (x)) - { + { MPFR_SET_INF (y); MPFR_SET_POS (y); MPFR_RET (0); } else /* Nan, or zero or -Inf */ { - MPFR_SET_NAN (y); + MPFR_SET_NAN (y); MPFR_RET_NAN; - } + } } comp = mpfr_cmp_ui (x, 1); if (MPFR_UNLIKELY (comp < 0)) { - MPFR_SET_NAN (y); + MPFR_SET_NAN (y); MPFR_RET_NAN; - } + } else if (MPFR_UNLIKELY (comp == 0)) { MPFR_SET_ZERO (y); /* acosh(1) = 0 */ @@ -64,7 +64,7 @@ mpfr_acosh (mpfr_ptr y, mpfr_srcptr x , mp_rnd_t rnd_mode) MPFR_RET (0); } MPFR_SAVE_EXPO_MARK (expo); - + /* General case */ { /* Declaration of the intermediary variables */ @@ -74,7 +74,7 @@ mpfr_acosh (mpfr_ptr y, mpfr_srcptr x , mp_rnd_t rnd_mode) mp_prec_t Nt; /* Precision of the intermediary variable */ mp_exp_t err, exp_te, exp_ti; /* Precision of error */ MPFR_ZIV_DECL (loop); - + /* compute the precision of intermediary variable */ /* the optimal number of bits : see algorithms.tex */ Nt = Ny + 4 + MPFR_INT_CEIL_LOG2 (Ny); @@ -107,7 +107,7 @@ mpfr_acosh (mpfr_ptr y, mpfr_srcptr x , mp_rnd_t rnd_mode) mpfr_set_prec (t, Nt); } MPFR_ZIV_FREE (loop); - + inexact = mpfr_set (y, t, rnd_mode); mpfr_clear (t); |