@SuppressWarnings("unused")
public Float getLongitude() {
return getDecodedValue(
() -> longitude,
value -> longitude = value,
() -> Boolean.TRUE,
() -> FLOAT_DECODER.apply(getBits(40, 58)) / 10f);
}
@Test
public void canConvertToUnsignedInteger() {
// 1011100101011100011011001111 -> -123.450533333333
assertEquals(Float.valueOf(0), FLOAT_DECODER.apply("0000000000000000000000000000"));
assertEquals(Float.valueOf(1), FLOAT_DECODER.apply("0000000000000000000000000001"));
assertEquals(Float.valueOf(0), FLOAT_DECODER.apply("1111111111111111111111111111"));
assertEquals(
-123.450533333333f,
FLOAT_DECODER.apply("1011100101011100011011001111") / 600000f,
1e-16); // 74070320
assertEquals(37.21113f, FLOAT_DECODER.apply("001010101001010110110010100") / 600000f, 1e-16);
// 181 degrees (0x6791AC0 hex)
// Decoder.convertToUnsignedInteger(bitString)
// 91 degrees (0x3412140 hex)
// Course over ground will be 3600 (0xE10)
}
