diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_sinf.c | 12 |
2 files changed, 12 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog index f36d934c52..5636a571fa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2017-12-05 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/ieee754/flt-32/s_sinf.c (reduced): Replace long with + int. + (SINF_FUNC): Likewise. Replace floor with simple casts. + 2017-12-05 Mike FABIAN <mfabian@redhat.com> [BZ #22517] diff --git a/sysdeps/ieee754/flt-32/s_sinf.c b/sysdeps/ieee754/flt-32/s_sinf.c index 40d3d197a8..0b76477d22 100644 --- a/sysdeps/ieee754/flt-32/s_sinf.c +++ b/sysdeps/ieee754/flt-32/s_sinf.c @@ -85,8 +85,8 @@ static const int ones[] = { +1, -1 }; SIGNBIT is used to add the correct sign after the Chebyshev polynomial is computed. */ static inline float -reduced (const double theta, const unsigned long int n, - const unsigned long int signbit) +reduced (const double theta, const unsigned int n, + const unsigned int signbit) { double sx; const double theta2 = theta * theta; @@ -162,14 +162,14 @@ SINF_FUNC (float x) } else /* |x| >= Pi/4. */ { - unsigned long int signbit = (x < 0); + unsigned int signbit = (x < 0); if (abstheta < 9 * M_PI_4) /* |x| < 9*Pi/4. */ { /* There are cases where FE_UPWARD rounding mode can produce a result of abstheta * inv_PI_4 == 9, where abstheta < 9pi/4, so the domain for pio2_table must go to 5 (9 / 2 + 1). */ - unsigned long int n = (abstheta * inv_PI_4) + 1; + unsigned int n = (abstheta * inv_PI_4) + 1; theta = abstheta - pio2_table[n / 2]; return reduced (theta, n, signbit); } @@ -177,8 +177,8 @@ SINF_FUNC (float x) { if (abstheta < 0x1p+23) /* |x| < 2^23. */ { - unsigned long int n = __floor (abstheta * inv_PI_4) + 1.0; - double x = __floor (n / 2.0); + unsigned int n = ((unsigned int) (abstheta * inv_PI_4)) + 1; + double x = n / 2; theta = x * PI_2_lo + (x * PI_2_hi + abstheta); /* Argument reduction needed. */ return reduced (theta, n, signbit); |