diff options
Diffstat (limited to 'src/sin_cos.c')
| -rw-r--r-- | src/sin_cos.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/sin_cos.c b/src/sin_cos.c index 0bb00cf..980e413 100644 --- a/src/sin_cos.c +++ b/src/sin_cos.c @@ -299,7 +299,7 @@ mpc_sin_cos (mpc_ptr rop_sin, mpc_ptr rop_cos, mpc_srcptr op, mpfr_t s, c, sh, ch, sch, csh; mpfr_prec_t prec; int ok; - int inex_re, inex_im, inex_sin, inex_cos; + int inex_re, inex_im, inex_sin, inex_cos, loop = 0; prec = 2; if (rop_sin != NULL) @@ -315,8 +315,9 @@ mpc_sin_cos (mpc_ptr rop_sin, mpc_ptr rop_cos, mpc_srcptr op, mpfr_init2 (csh, 2); do { + loop ++; ok = 1; - prec += mpc_ceil_log2 (prec) + 5; + prec += (loop == 1) ? mpc_ceil_log2 (prec) + 5 : prec / 2; mpfr_set_prec (s, prec); mpfr_set_prec (c, prec); |