Test updates

Author: tgross35

libm-test/src/generate/case_list.rs

@@ -567,6 +567,7 @@ fn log_cases() -> Vec<TestCase<op::log::Routine>> {
         &mut v,
         &[
             // Cases that showed up during extensive tests and proved problematic
+            (hf64!("0x1.90bde64e6e033p-57"),), // showed up on i586
             (hf64!("0x1.ffffffffffff9p-1"),),
             (hf64!("0x1.4b649a5ce2720p-235"),),
             (hf64!("0x1.b028b028b02a0p-1"),),

libm-test/src/precision.rs

@@ -136,6 +136,7 @@ pub fn default_ulp(ctx: &CheckCtx) -> u32 {
             Id::Fmaf => ulp = 1,
             Id::Fdim => ulp = 1,
             Id::Round => ulp = 1,
+            Id::Log => ulp = 1,
 
             Id::Asinh => ulp = 3,
             Id::Asinhf => ulp = 3,