diff options
Diffstat (limited to 'sin_cos.c')
| -rw-r--r-- | sin_cos.c | 34 |
1 files changed, 18 insertions, 16 deletions
@@ -82,17 +82,19 @@ mpfr_sin_cos (mpfr_ptr y, mpfr_ptr z, mpfr_srcptr x, mp_rnd_t rnd_mode) if (y != x) /* y and x differ, thus we can safely try to compute y first */ { - MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, -2 * expx, 2, 0, rnd_mode, - { inexy = _inexact; - goto small_input; }); + MPFR_FAST_COMPUTE_IF_SMALL_INPUT ( + y, x, -2 * expx, 2, 0, rnd_mode, + { inexy = _inexact; + goto small_input; }); if (0) { small_input: /* we can go here only if we can round sin(x) */ - MPFR_FAST_COMPUTE_IF_SMALL_INPUT (z, __gmpfr_one, -2 * expx, - 1, 0, rnd_mode, - { inexz = _inexact; - goto end; }); + MPFR_FAST_COMPUTE_IF_SMALL_INPUT ( + z, __gmpfr_one, -2 * expx, 1, 0, rnd_mode, + { inexz = _inexact; + MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags); + goto end; }); } /* if we go here, one of the two MPFR_FAST_COMPUTE_IF_SMALL_INPUT @@ -101,18 +103,19 @@ mpfr_sin_cos (mpfr_ptr y, mpfr_ptr z, mpfr_srcptr x, mp_rnd_t rnd_mode) else /* y and x are the same variable: try to compute z first, which necessarily differs */ { - MPFR_FAST_COMPUTE_IF_SMALL_INPUT (z, __gmpfr_one, -2 * expx, - 1, 0, rnd_mode, - { inexz = _inexact; - goto small_input2; }); + MPFR_FAST_COMPUTE_IF_SMALL_INPUT ( + z, __gmpfr_one, -2 * expx, 1, 0, rnd_mode, + { inexz = _inexact; + goto small_input2; }); if (0) { small_input2: /* we can go here only if we can round cos(x) */ - MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, -2 * expx, 2, 0, - rnd_mode, - { inexy = _inexact; - goto end; }); + MPFR_FAST_COMPUTE_IF_SMALL_INPUT ( + y, x, -2 * expx, 2, 0, rnd_mode, + { inexy = _inexact; + MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags); + goto end; }); } } m += 2 * (-expx); @@ -207,7 +210,6 @@ mpfr_sin_cos (mpfr_ptr y, mpfr_ptr z, mpfr_srcptr x, mp_rnd_t rnd_mode) mpfr_clear (xr); end: - /* FIXME: update the underflow flag if need be. */ MPFR_SAVE_EXPO_FREE (expo); mpfr_check_range (y, inexy, rnd_mode); mpfr_check_range (z, inexz, rnd_mode); |