diff options
Diffstat (limited to 'sysdeps/libm-ieee754')
| -rw-r--r-- | sysdeps/libm-ieee754/s_cexp.c | 19 | ||||
| -rw-r--r-- | sysdeps/libm-ieee754/s_roundl.c | 14 |
2 files changed, 23 insertions, 10 deletions
diff --git a/sysdeps/libm-ieee754/s_cexp.c b/sysdeps/libm-ieee754/s_cexp.c index 5e68f585f7..3181af08c7 100644 --- a/sysdeps/libm-ieee754/s_cexp.c +++ b/sysdeps/libm-ieee754/s_cexp.c @@ -38,16 +38,19 @@ __cexp (__complex__ double x) { /* Imaginary part is finite. */ double exp_val = __ieee754_exp (__real__ x); + double sinix, cosix; + + __sincos (__imag__ x, &sinix, &cosix); if (isfinite (exp_val)) { - __real__ retval = exp_val * __cos (__imag__ x); - __imag__ retval = exp_val * __sin (__imag__ x); + __real__ retval = exp_val * cosix; + __imag__ retval = exp_val * sinix; } else { - __real__ retval = __copysign (exp_val, __cos (__imag__ x)); - __imag__ retval = __copysign (exp_val, __sin (__imag__ x)); + __real__ retval = __copysign (exp_val, cosix); + __imag__ retval = __copysign (exp_val, sinix); } } else @@ -74,8 +77,12 @@ __cexp (__complex__ double x) } else { - __real__ retval = __copysign (value, __cos (__imag__ x)); - __imag__ retval = __copysign (value, __sin (__imag__ x)); + double sinix, cosix; + + __sincos (__imag__ x, &sinix, &cosix); + + __real__ retval = __copysign (value, cosix); + __imag__ retval = __copysign (value, sinix); } } else if (signbit (__real__ x) == 0) diff --git a/sysdeps/libm-ieee754/s_roundl.c b/sysdeps/libm-ieee754/s_roundl.c index db87154089..d7482b9b7c 100644 --- a/sysdeps/libm-ieee754/s_roundl.c +++ b/sysdeps/libm-ieee754/s_roundl.c @@ -41,9 +41,12 @@ __roundl (long double x) if (huge + x > 0.0) { se &= 0x8000; - if (j0 == -1) - se |= 0x3fff; i0 = i1 = 0; + if (j0 == -1) + { + se |= 0x3fff; + i0 = 0x80000000; + } } } else @@ -55,7 +58,7 @@ __roundl (long double x) if (huge + x > 0.0) { /* Raise inexact if x != 0. */ - u_int32_t j = i0 + 0x40000000 >> j0; + u_int32_t j = i0 + (0x40000000 >> j0); if (j < i0) se += 1; i0 = (j & ~i) | 0x80000000; @@ -86,7 +89,10 @@ __roundl (long double x) { u_int32_t k = i0 + 1; if (k < i0) - se += 1; + { + se += 1; + k |= 0x80000000; + } i0 = k; } i1 = j; |