diff options
Diffstat (limited to 'sysdeps/ieee754/k_standard.c')
| -rw-r--r-- | sysdeps/ieee754/k_standard.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/sysdeps/ieee754/k_standard.c b/sysdeps/ieee754/k_standard.c index 4a0d82d1a6..5399c6682d 100644 --- a/sysdeps/ieee754/k_standard.c +++ b/sysdeps/ieee754/k_standard.c @@ -248,7 +248,7 @@ __kernel_standard(double x, double y, int type) else exc.retval = -HUGE_VAL; if (_LIB_VERSION == _POSIX_) - __set_errno (EDOM); + __set_errno (ERANGE); else if (!matherr(&exc)) { if (_LIB_VERSION == _SVID_) { (void) WRITE2("y0: DOMAIN error\n", 17); @@ -265,7 +265,7 @@ __kernel_standard(double x, double y, int type) if (_LIB_VERSION == _SVID_) exc.retval = -HUGE; else - exc.retval = -HUGE_VAL; + exc.retval = NAN; if (_LIB_VERSION == _POSIX_) __set_errno (EDOM); else if (!matherr(&exc)) { @@ -286,7 +286,7 @@ __kernel_standard(double x, double y, int type) else exc.retval = -HUGE_VAL; if (_LIB_VERSION == _POSIX_) - __set_errno (EDOM); + __set_errno (ERANGE); else if (!matherr(&exc)) { if (_LIB_VERSION == _SVID_) { (void) WRITE2("y1: DOMAIN error\n", 17); @@ -303,7 +303,7 @@ __kernel_standard(double x, double y, int type) if (_LIB_VERSION == _SVID_) exc.retval = -HUGE; else - exc.retval = -HUGE_VAL; + exc.retval = NAN; if (_LIB_VERSION == _POSIX_) __set_errno (EDOM); else if (!matherr(&exc)) { @@ -322,9 +322,11 @@ __kernel_standard(double x, double y, int type) if (_LIB_VERSION == _SVID_) exc.retval = -HUGE; else - exc.retval = -HUGE_VAL; + exc.retval = ((x < 0 && ((int) x & 1) != 0) + ? HUGE_VAL + : -HUGE_VAL); if (_LIB_VERSION == _POSIX_) - __set_errno (EDOM); + __set_errno (ERANGE); else if (!matherr(&exc)) { if (_LIB_VERSION == _SVID_) { (void) WRITE2("yn: DOMAIN error\n", 17); @@ -341,7 +343,7 @@ __kernel_standard(double x, double y, int type) if (_LIB_VERSION == _SVID_) exc.retval = -HUGE; else - exc.retval = -HUGE_VAL; + exc.retval = NAN; if (_LIB_VERSION == _POSIX_) __set_errno (EDOM); else if (!matherr(&exc)) { |