Added comments in Python and Rust code.
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@ -41,6 +41,8 @@ def do_basic_demo():
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"""Creates a single QR Code, then prints it to the console."""
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text = u"Hello, world!" # User-supplied Unicode text
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errcorlvl = qrcodegen.QrCode.Ecc.LOW # Error correction level
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# Make and print the QR Code symbol
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qr = qrcodegen.QrCode.encode_text(text, errcorlvl)
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print_qr(qr)
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print(qr.to_svg_str(4))
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@ -790,7 +790,7 @@ class _ReedSolomonGenerator(object):
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# drop the highest term, and store the rest of the coefficients in order of descending powers.
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# Note that r = 0x02, which is a generator element of this field GF(2^8/0x11D).
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root = 1
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for _ in range(degree):
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for _ in range(degree): # Unused variable i
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# Multiply the current product by (x - r^i)
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for j in range(degree):
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self.coefficients[j] = _ReedSolomonGenerator._multiply(self.coefficients[j], root)
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@ -724,7 +724,7 @@ impl ReedSolomonGenerator {
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// drop the highest term, and store the rest of the coefficients in order of descending powers.
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// Note that r = 0x02, which is a generator element of this field GF(2^8/0x11D).
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let mut root: u8 = 1;
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for _ in 0 .. degree {
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for _ in 0 .. degree { // Unused variable i
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// Multiply the current product by (x - r^i)
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for j in 0 .. degree {
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coefs[j] = ReedSolomonGenerator::multiply(coefs[j], root);
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