From 6d33cc9d9bde501e0906c42ee396d42cb4ca603c Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 19 Nov 2012 15:26:52 -0800 Subject: Fix spurious underflows in ldbl-128 atan implementation. With help from Joseph Myers. * sysdeps/ieee754/ldbl-128/s_atanl.c (__atanl): Handle tiny and very large arguments properly. * math/libm-test.inc (atan_test): New tests. (atan2_test): New tests. * sysdeps/sparc/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Update. --- sysdeps/x86_64/fpu/libm-test-ulps | 3 +++ 1 file changed, 3 insertions(+) (limited to 'sysdeps/x86_64/fpu') diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 4767be9..f33dfed 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -162,6 +162,9 @@ ldouble: 1 Test "atan2 (-0.75, -1.0) == -2.49809154479650885165983415456218025": float: 1 ifloat: 1 +Test "atan2 (-max_value, -min_value) == -pi/2": +float: 1 +ifloat: 1 Test "atan2 (0.75, -1.0) == 2.49809154479650885165983415456218025": float: 1 ifloat: 1 -- cgit v1.1