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-rw-r--r--src/internal/fuzz/encoding_test.go10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/internal/fuzz/encoding_test.go b/src/internal/fuzz/encoding_test.go
index 4b55892acd..3a614f5bd2 100644
--- a/src/internal/fuzz/encoding_test.go
+++ b/src/internal/fuzz/encoding_test.go
@@ -104,6 +104,12 @@ float32(2.5)`,
ok: true,
},
{
+ // The two IEEE 754 bit patterns used for the math.Float{64,32}frombits
+ // encodings are non-math.NAN quiet-NaN values. Since they are not equal
+ // to math.NaN(), they should be re-encoded to their bit patterns. They
+ // are, respectively:
+ // * math.Float64bits(math.NaN())+1
+ // * math.Float32bits(float32(math.NaN()))+1
in: `go test fuzz v1
float32(-0)
float64(-0)
@@ -113,8 +119,8 @@ float32(NaN)
float64(+Inf)
float64(-Inf)
float64(NaN)
-math.Float64frombits(9221120237041090560)
-math.Float32frombits(2143289343)`,
+math.Float64frombits(9221120237041090562)
+math.Float32frombits(2143289345)`,
ok: true,
},
}