36     return Double.isNaN(x);  in isNaN64()
73     expectFalse(isNaN64(Double.NEGATIVE_INFINITY));  in main()
78     expectFalse(isNaN64(Double.POSITIVE_INFINITY));  in main()
81     expectFalse(isNaN64(Double.longBitsToDouble(0x0008000000000000l)));  in main()
82     expectFalse(isNaN64(Double.longBitsToDouble(0x8008000000000000l)));  in main()
83     expectFalse(isNaN64(Double.longBitsToDouble(0x0000000000000001l)));  in main()
84     expectFalse(isNaN64(Double.longBitsToDouble(0x8000000000000001l)));  in main()
87     expectTrue(isNaN64(Double.NaN));  in main()
91       Double.longBitsToDouble(0x7ff0000000000001L),  in main()
92       Double.longBitsToDouble(0x7ff4000000000000L),  in main()
93       Double.longBitsToDouble(0x7ff8000000000000L),  in main()
94       Double.longBitsToDouble(0x7fffffffffffffffL),  in main()
95       Double.longBitsToDouble(0xfff0000000000001L),  in main()
96       Double.longBitsToDouble(0xfff4000000000000L),  in main()
97       Double.longBitsToDouble(0xfff8000000000000L),  in main()
98       Double.longBitsToDouble(0xffffffffffffffffL)  in main()