Reformatted some code in ArithmeticCoderBase.update() to highlight similarity, in all languages.

Author: nayuki

cpp/ArithmeticCoder.cpp

@@ -58,7 +58,7 @@ void ArithmeticCoderBase::update(const FrequencyTable &freqs, uint32_t symbol) {
 	// While low and high have the same top bit value, shift them out
 	while (((low ^ high) & halfRange) == 0) {
 		shift();
-		low = (low << 1) & stateMask;
+		low  = ((low  << 1) & stateMask);
 		high = ((high << 1) & stateMask) | 1;
 	}
 	// Now low's top bit must be 0 and high's top bit must be 1

java/src/ArithmeticCoderBase.java

@@ -142,7 +142,7 @@ protected void update(CheckedFrequencyTable freqs, int symbol) throws IOExceptio
 		// While low and high have the same top bit value, shift them out
 		while (((low ^ high) & halfRange) == 0) {
 			shift();
-			low = (low << 1) & stateMask;
+			low  = ((low  << 1) & stateMask);
 			high = ((high << 1) & stateMask) | 1;
 		}
 		// Now low's top bit must be 0 and high's top bit must be 1

python/arithmeticcoding.py

@@ -94,7 +94,7 @@ def update(self, freqs, symbol):
 		# While low and high have the same top bit value, shift them out
 		while ((self.low ^ self.high) & self.half_range) == 0:
 			self.shift()
-			self.low = (self.low << 1) & self.state_mask
+			self.low  = ((self.low  << 1) & self.state_mask)
 			self.high = ((self.high << 1) & self.state_mask) | 1
 		# Now low's top bit must be 0 and high's top bit must be 1