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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/flt-32 | |
| parent | add144786f959da569ca4ad3a89c6efd409e762e (diff) | |
| download | glibc-1f510b3faa316bf025ce9544fd90ece3549bac05.tar.gz glibc-1f510b3faa316bf025ce9544fd90ece3549bac05.tar.xz glibc-1f510b3faa316bf025ce9544fd90ece3549bac05.zip | |
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/flt-32')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_j0f.c | 6 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_j1f.c | 4 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_jnf.c | 4 |
3 files changed, 7 insertions, 7 deletions
diff --git a/sysdeps/ieee754/flt-32/e_j0f.c b/sysdeps/ieee754/flt-32/e_j0f.c index b3b20524f9..8c499e614e 100644 --- a/sysdeps/ieee754/flt-32/e_j0f.c +++ b/sysdeps/ieee754/flt-32/e_j0f.c @@ -131,10 +131,10 @@ v04 = 4.4111031494e-10; /* 0x2ff280c2 */ GET_FLOAT_WORD(hx,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>=0x7f800000) return one/(x+x*x); - if(ix==0) return -one/zero; - if(hx<0) return zero/zero; + if(ix==0) return -HUGE_VALF+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 diff --git a/sysdeps/ieee754/flt-32/e_j1f.c b/sysdeps/ieee754/flt-32/e_j1f.c index 26f606a08a..71bb2515af 100644 --- a/sysdeps/ieee754/flt-32/e_j1f.c +++ b/sysdeps/ieee754/flt-32/e_j1f.c @@ -134,8 +134,8 @@ static float V0[5] = { ix = 0x7fffffff&hx; /* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */ if(ix>=0x7f800000) return one/(x+x*x); - if(ix==0) return -one/zero; - if(hx<0) return zero/zero; + if(ix==0) return -HUGE_VALF+x; /* -inf and overflow exception. */ + if(hx<0) return zero/(zero*x); if(ix >= 0x40000000) { /* |x| >= 2.0 */ __sincosf (x, &s, &c); ss = -s-c; diff --git a/sysdeps/ieee754/flt-32/e_jnf.c b/sysdeps/ieee754/flt-32/e_jnf.c index 34c4d95a32..de2e53de83 100644 --- a/sysdeps/ieee754/flt-32/e_jnf.c +++ b/sysdeps/ieee754/flt-32/e_jnf.c @@ -187,8 +187,8 @@ static float zero = 0.0000000000e+00; ix = 0x7fffffff&hx; /* if Y(n,NaN) is NaN */ if(ix>0x7f800000) return x+x; - if(ix==0) return -one/zero; - if(hx<0) return zero/zero; + if(ix==0) return -HUGE_VALF+x; /* -inf and overflow exception. */ + if(hx<0) return zero/(zero*x); sign = 1; if(n<0){ n = -n; |