From 1f510b3faa316bf025ce9544fd90ece3549bac05 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Sun, 28 Dec 2003 20:51:20 +0000 Subject: 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. --- sysdeps/ieee754/flt-32/e_j0f.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'sysdeps/ieee754/flt-32/e_j0f.c') 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 -- cgit 1.4.1