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| author | Andreas Jaeger <aj@suse.de> | 2003-12-28 20:51:20 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2003-12-28 20:51:20 +0000 |
| commit | 1f510b3faa316bf025ce9544fd90ece3549bac05 (patch) | |
| tree | 3ba1bc94e82d3f745a12cb37703a1242da39e72c /sysdeps/ieee754/dbl-64/e_j0.c | |
| parent | add144786f959da569ca4ad3a89c6efd409e762e (diff) | |
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Update.
* sysdeps/ieee754/dbl-64/e_j0.c (__ieee754_y0): Raise only
overflow for 0 as argument. Raise Invalid exception for negative
args.
* sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_yn): Likewise.
* sysdeps/ieee754/dbl-64/e_j1.c (__ieee754_y0): Likewise.
* sysdeps/ieee754/ldb-128/e_jnl.c (__ieee754_ynl): Likewise.
* sysdeps/ieee754/ldb-128/e_j0l.c (__ieee754_y0l): Likewise.
* sysdeps/ieee754/ldb-128/e_j1l.c (__ieee754_y1l): Likewise.
* sysdeps/ieee754/ldb-96/e_jnl.c (__ieee754_ynl): Likewise.
* sysdeps/ieee754/ldb-96/e_j0l.c (__ieee754_y0l): Likewise.
* sysdeps/ieee754/ldb-96/e_j1l.c (__ieee754_y1l): Likewise.
* sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_ynf): Likewise.
* sysdeps/ieee754/flt-32/e_j0f.c (__ieee754_y0f): Likewise.
* sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Likewise.
* math/libm-test.inc (yn_test): Expect invalid exception for
negative arguments.
(y0_test): Likewise.
(y1_test): Likewise.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_j0.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_j0.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_j0.c b/sysdeps/ieee754/dbl-64/e_j0.c index 77af5fd18c..302df49d62 100644 --- a/sysdeps/ieee754/dbl-64/e_j0.c +++ b/sysdeps/ieee754/dbl-64/e_j0.c @@ -185,10 +185,10 @@ V[] = {1.27304834834123699328e-02, /* 0x3F8A1270, 0x91C9C71A */ EXTRACT_WORDS(hx,lx,x); ix = 0x7fffffff&hx; - /* Y0(NaN) is NaN, y0(-inf) is Nan, y0(inf) is 0 */ + /* Y0(NaN) is NaN, y0(-inf) is Nan, y0(inf) is 0, y0(0) is -inf. */ if(ix>=0x7ff00000) return one/(x+x*x); - if((ix|lx)==0) return -one/zero; - if(hx<0) return zero/zero; + if((ix|lx)==0) return -HUGE_VAL+x; /* -inf and overflow exception. */ + if(hx<0) return zero/(zero*x); if(ix >= 0x40000000) { /* |x| >= 2.0 */ /* y0(x) = sqrt(2/(pi*x))*(p0(x)*sin(x0)+q0(x)*cos(x0)) * where x0 = x-pi/4 |