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authorAndreas Jaeger <aj@suse.de>2003-12-28 20:51:20 +0000
committerAndreas Jaeger <aj@suse.de>2003-12-28 20:51:20 +0000
commit1f510b3faa316bf025ce9544fd90ece3549bac05 (patch)
tree3ba1bc94e82d3f745a12cb37703a1242da39e72c /sysdeps/ieee754/ldbl-96
parentadd144786f959da569ca4ad3a89c6efd409e762e (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/ldbl-96')
-rw-r--r--sysdeps/ieee754/ldbl-96/e_j0l.c4
-rw-r--r--sysdeps/ieee754/ldbl-96/e_j1l.c4
-rw-r--r--sysdeps/ieee754/ldbl-96/e_jnl.c6
3 files changed, 7 insertions, 7 deletions
diff --git a/sysdeps/ieee754/ldbl-96/e_j0l.c b/sysdeps/ieee754/ldbl-96/e_j0l.c
index 4439fa641e..12c906bcbc 100644
--- a/sysdeps/ieee754/ldbl-96/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-96/e_j0l.c
@@ -232,11 +232,11 @@ __ieee754_y0l (x)
ix = se & 0x7fff;
/* Y0(NaN) is NaN, y0(-inf) is Nan, y0(inf) is 0 */
if (se & 0x8000)
- return zero / zero;
+ return zero / (zero * x);
if (ix >= 0x7fff)
return one / (x + x * x);
if ((i0 | i1) == 0)
- return -one / zero;
+ return -HUGE_VALL + x; /* -inf and overflow exception. */
if (ix >= 0x4000)
{ /* |x| >= 2.0 */
diff --git a/sysdeps/ieee754/ldbl-96/e_j1l.c b/sysdeps/ieee754/ldbl-96/e_j1l.c
index 1ec63c4b44..62a8ce0cb7 100644
--- a/sysdeps/ieee754/ldbl-96/e_j1l.c
+++ b/sysdeps/ieee754/ldbl-96/e_j1l.c
@@ -224,11 +224,11 @@ __ieee754_y1l (x)
ix = se & 0x7fff;
/* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */
if (se & 0x8000)
- return zero / zero;
+ return zero / (zero * x);
if (ix >= 0x7fff)
return one / (x + x * x);
if ((i0 | i1) == 0)
- return -one / zero;
+ return -HUGE_VALL + x; /* -inf and overflow exception. */
if (ix >= 0x4000)
{ /* |x| >= 2.0 */
__sincosl (x, &s, &c);
diff --git a/sysdeps/ieee754/ldbl-96/e_jnl.c b/sysdeps/ieee754/ldbl-96/e_jnl.c
index 0f2f393230..3d715d36aa 100644
--- a/sysdeps/ieee754/ldbl-96/e_jnl.c
+++ b/sysdeps/ieee754/ldbl-96/e_jnl.c
@@ -36,7 +36,7 @@
* of order n
*
* Special cases:
- * y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal;
+ * y0(0)=y1(0)=yn(n,0) = -inf with overflow signal;
* y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal.
* Note 2. About jn(n,x), yn(n,x)
* For n=0, j0(x) is called,
@@ -312,9 +312,9 @@ __ieee754_ynl (n, x)
if ((ix == 0x7fff) && ((i0 & 0x7fffffff) != 0))
return x + x;
if ((ix | i0 | i1) == 0)
- return -one / zero;
+ return -HUGE_VALL + x; /* -inf and overflow exception. */
if (se & 0x8000)
- return zero / zero;
+ return zero / (zero * x);
sign = 1;
if (n < 0)
{