public void testBytes_to_float()
{
try {
PickleUtils.bytes_to_float(new byte[] {}, 0);
Assert.Fail("expected PickleException");
} catch (PickleException) {}
try {
PickleUtils.bytes_to_float(new byte[] { 0 }, 0);
Assert.Fail("expected PickleException");
} catch (PickleException) {}
Assert.IsTrue(0.0f == PickleUtils.bytes_to_float(new byte[] { 0, 0, 0, 0 }, 0));
Assert.IsTrue(1.0f == PickleUtils.bytes_to_float(new byte[] { 0x3f, 0x80, 0, 0 }, 0));
Assert.IsTrue(1.1f == PickleUtils.bytes_to_float(new byte[] { 0x3f, 0x8c, 0xcc, 0xcd }, 0));
Assert.IsTrue(1234.5678f == PickleUtils.bytes_to_float(new byte[] { 0x44, 0x9a, 0x52, 0x2b }, 0));
Assert.IsTrue(float.PositiveInfinity == PickleUtils.bytes_to_float(new byte[] { 0x7f, 0x80, 0, 0 }, 0));
Assert.IsTrue(float.NegativeInfinity == PickleUtils.bytes_to_float(new byte[] { 0xff, 0x80, 0, 0 }, 0));
// test offset
Assert.IsTrue(1234.5678f == PickleUtils.bytes_to_float(new byte[] { 0, 0, 0, 0x44, 0x9a, 0x52, 0x2b }, 3));
Assert.IsTrue(1234.5678f == PickleUtils.bytes_to_float(new byte[] { 0x44, 0x9a, 0x52, 0x2b, 0, 0, 0 }, 0));
}
protected float[] constructFloatArray(int machinecode, byte[] data)
{
float[] result = new float[data.Length / 4];
byte[] bigendian = new byte[4];
for (int i = 0; i < data.Length / 4; ++i)
{
if (machinecode == 14)
{
result[i] = PickleUtils.bytes_to_float(data, i * 4);
}
else
{
// 15=big endian, flip the bytes
bigendian[0] = data[3 + i * 4];
bigendian[1] = data[2 + i * 4];
bigendian[2] = data[1 + i * 4];
bigendian[3] = data[0 + i * 4];
result[i] = PickleUtils.bytes_to_float(bigendian, 0);
}
}
return(result);
}
