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adding uncompressDoubleArray that takes offset and length #307

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merged 1 commit into from Jan 28, 2023
Merged

adding uncompressDoubleArray that takes offset and length #307

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19 changes: 17 additions & 2 deletions src/main/java/org/xerial/snappy/Snappy.java
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Expand Up @@ -598,9 +598,24 @@ public static char[] uncompressCharArray(byte[] input, int offset, int length)
public static double[] uncompressDoubleArray(byte[] input)
throws IOException
{
int uncompressedLength = Snappy.uncompressedLength(input, 0, input.length);
return uncompressDoubleArray(input, 0, input.length);
}

/**
* Uncompress the input as a double array
*
* @param input
* @param offset
* @param length
* @return the uncompressed data
* @throws IOException
*/
public static double[] uncompressDoubleArray(byte[] input, int offset, int length)
throws IOException
{
int uncompressedLength = Snappy.uncompressedLength(input, offset, length);
double[] result = new double[uncompressedLength / 8];
impl.rawUncompress(input, 0, input.length, result, 0);
impl.rawUncompress(input, offset, length, result, 0);
return result;
}

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