Update xfails

Author: tgross35

crates/libm-test/src/xfail.rs

@@ -142,6 +142,7 @@ impl IgnoreCase<(i32, f32)> for XFail {
         match &ctx.basis {
             CheckBasis::Musl => false,
             CheckBasis::MultiPrecision => match ctx.fname {
+                _ if input.1.is_nan() && all_nan(&[actual, expected]) => true,
                 // We return +0.0, MPFR returns -0.0
                 "jnf" => input.1 == f32::NEG_INFINITY && actual == F::ZERO && expected == F::ZERO,
                 _ => false,
@@ -155,6 +156,7 @@ impl IgnoreCase<(i32, f64)> for XFail {
         match &ctx.basis {
             CheckBasis::Musl => false,
             CheckBasis::MultiPrecision => match ctx.fname {
+                _ if input.1.is_nan() && all_nan(&[actual, expected]) => true,
                 "jn" => input.1 == f64::NEG_INFINITY && actual == F::ZERO && expected == F::ZERO,
                 _ => false,
             },