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| author | Andreas Jaeger <aj@suse.de> | 2001-08-27 13:55:13 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2001-08-27 13:55:13 +0000 |
| commit | fa9ced58f6e12a594e5250df52875cf1d67a50f0 (patch) | |
| tree | e3ac76bb393e0e98fdedf9bbb55485d67983dcf5 /sysdeps/ieee754/ldbl-128/e_j0l.c | |
| parent | 82ad8034aa1f812bf221ab0d2fc2fc55e2d44654 (diff) | |
| download | glibc-fa9ced58f6e12a594e5250df52875cf1d67a50f0.tar glibc-fa9ced58f6e12a594e5250df52875cf1d67a50f0.tar.gz glibc-fa9ced58f6e12a594e5250df52875cf1d67a50f0.tar.bz2 glibc-fa9ced58f6e12a594e5250df52875cf1d67a50f0.zip | |
* sysdeps/i386/fpu/libm-test-ulps (float): Add ulps for new tests.
* math/libm-test.inc (j0_test): Add extra tests.
* sysdeps/ieee754/ldbl-128/e_j0l.c (__ieee754_j0l): Use |x|,
not x, in Hankel approximation.
Patches by Stephen L Moshier.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/e_j0l.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/e_j0l.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/ieee754/ldbl-128/e_j0l.c b/sysdeps/ieee754/ldbl-128/e_j0l.c index 22a43848b2..e0a61f0658 100644 --- a/sysdeps/ieee754/ldbl-128/e_j0l.c +++ b/sysdeps/ieee754/ldbl-128/e_j0l.c @@ -754,16 +754,16 @@ __ieee754_j0l (long double x) = 1/sqrt(2) * (sin(x) - cos(x)) sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x)) cf. Fdlibm. */ - c = cosl (x); - s = sinl (x); + c = cosl (xx); + s = sinl (xx); ss = s - c; cc = s + c; - z = -cosl (x + x); + z = -cosl (xx + xx); if ((s * c) < 0) cc = z / ss; else ss = z / cc; - z = ONEOSQPI * (p * cc - q * ss) / sqrtl (x); + z = ONEOSQPI * (p * cc - q * ss) / sqrtl (xx); return z; } |