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Created April 30, 2019 10:24
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README.md

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Dimension: 2 x 768

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HEX DATA:

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tuxdna commented Apr 30, 2019 

    public static float toFloat(int hbits) {
        int mant = hbits & 0x03ff;            // 10 bits mantissa
        int exp = hbits & 0x7c00;            // 5 bits exponent
        if (exp == 0x7c00)                   // NaN/Inf
            exp = 0x3fc00;                    // -> NaN/Inf
        else if (exp != 0)                   // normalized value
        {
            exp += 0x1c000;                   // exp - 15 + 127
            if (mant == 0 && exp > 0x1c400)  // smooth transition
                return Float.intBitsToFloat((hbits & 0x8000) << 16
                        | exp << 13 | 0x3ff);
        } else if (mant != 0)                  // && exp==0 -> subnormal
        {
            exp = 0x1c400;                    // make it normal
            do {
                mant <<= 1;                   // mantissa * 2
                exp -= 0x400;                 // decrease exp by 1
            } while ((mant & 0x400) == 0); // while not normal
            mant &= 0x3ff;                    // discard subnormal bit
        }                                     // else +/-0 -> +/-0
        return Float.intBitsToFloat(          // combine all parts
                (hbits & 0x8000) << 16          // sign  << ( 31 - 15 )
                        | (exp | mant) << 13);         // value << ( 23 - 10 )
    }
                // e3b9 -> 00 00 b9 e3
                for (int q = 0; q < buff.length; q += 2) {
                    byte[] b3 = {0, 0, buff[q+1], buff[q]};
                    int s3 = ByteBuffer.wrap(b3).getInt();
                    float f3 = toFloat(s3);
                    out.print(f3 + ", ");
                }

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