Fix x86 pow inaccuracy for large integer exponents (bug 706).

[thirdparty/glibc.git] / sysdeps / x86_64 / fpu / libm-test-ulps

diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index d43955aff8a65ee8840ce348b5068451d7fc654d..dce60cfb5b12f7c29a38818fadb34e6a9df57997 100644 (file)
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -1444,6 +1444,17 @@ Test "log1p (-0.25) == -0.287682072451780927439219005993827432":
 float: 1
 ifloat: 1
 
+# pow
+Test "pow (0x0.ffffffp0, -0x1p24) == 2.7182819094701610539628664526874952929416":
+float: 1
+ifloat: 1
+Test "pow (0x0.ffffffp0, 0x1p24) == 0.3678794302077803437135155590023422899744":
+float: 1
+ifloat: 1
+Test "pow (0x1.000002p0, 0x1p24) == 7.3890552180866447284268641248075832310141":
+float: 1
+ifloat: 1
+
 # pow_downward
 Test "pow_downward (1.0625, 1.125) == 1.070582293028761362162622578677070098674":
 ildouble: 1
@@ -2413,6 +2424,10 @@ Function: "log1p":
 float: 1
 ifloat: 1
 
+Function: "pow":
+float: 1
+ifloat: 1
+
 Function: "pow_downward":
 float: 1
 ifloat: 1