diff options
Diffstat (limited to 'tanh.c')
| -rw-r--r-- | tanh.c | 10 |
1 files changed, 4 insertions, 6 deletions
@@ -94,7 +94,7 @@ mpfr_tanh (y, xt, rnd_mode) mp_prec_t Ny = MPFR_PREC(y); /* Precision of input variable */ mp_prec_t Nt; /* Precision of the intermediary variable */ - mp_prec_t err; /* Precision of error */ + long int err; /* Precision of error */ /* compute the precision of intermediary variable */ Nt=MAX(Nx,Ny); @@ -129,15 +129,12 @@ mpfr_tanh (y, xt, rnd_mode) d = MPFR_EXP(te)-MPFR_EXP(t); /* estimation of the error */ - if ((int)(Nt) < (int) (_mpfr_ceil_log2(7+pow(2,d+1))) ) - err = 0; - else - err = Nt-(_mpfr_ceil_log2(7+pow(2,d+1))); + err = Nt-(_mpfr_ceil_log2(7+pow(2,d+1))); /* actualisation of the precision */ Nt += 10; - } while (!mpfr_can_round(t,err,GMP_RNDN,rnd_mode,Ny)); + } while ((err <0)||!mpfr_can_round(t,err,GMP_RNDN,rnd_mode,Ny)); if (flag_neg==1) MPFR_CHANGE_SIGN(t); @@ -148,6 +145,7 @@ mpfr_tanh (y, xt, rnd_mode) mpfr_clear(ta); mpfr_clear(tb); } + mpfr_clear(x); return inexact; } |