Implement native numbers mode

pyRCV2/blt.py

@@ -26,35 +26,35 @@ def readBLT(data):
 	election = Election()
 	
 	# Read first line
-	num_candidates = int(lines[0].split(' ')[0])
-	election.seats = int(lines[0].split(' ')[1])
+	num_candidates = int(lines[0].strip().split(' ')[0])
+	election.seats = int(lines[0].strip().split(' ')[1])
 	
 	# Read withdrawn candidates
 	withdrawn = []
 	i = 1
-	if lines[i].startswith("-"):
-		withdrawn.extend([int(x[1:]) - 1 for x in lines[i].split(" ")])
+	if lines[i].strip().startswith('-'):
+		withdrawn.extend([int(x[1:]) - 1 for x in lines[i].strip().split(' ')])
 		i += 1
 	
 	# Read ballots
 	ballot_data = []
 	for j in range(i, len(lines)):
-		if lines[j] == '0': # End of ballots
+		if lines[j].strip() == '0': # End of ballots
 			break
-		bits = lines[j].split(' ')
+		bits = lines[j].strip().split(' ')
 		preferences = [int(x) - 1 for x in bits[1:] if x != '0']
 		ballot_data.append((bits[0], preferences))
 	
 	# Read candidates
 	for k in range(j + 1, j + 1 + num_candidates):
-		election.candidates.append(Candidate(lines[k][1:-1]))
+		election.candidates.append(Candidate(lines[k].strip()[1:-1]))
 	
 	# Read name
 	if j + 1 + num_candidates < len(lines):
-		election.name = lines[j + 1 + num_candidates][1:-1]
+		election.name = lines[j + 1 + num_candidates].strip()[1:-1]
 	
 	# Any additional data?
-	if len(lines) > j + 2 + num_candidates and len(lines[j + 2 + num_candidates]) > 0:
+	if len(lines) > j + 2 + num_candidates and len(lines[j + 2 + num_candidates].strip()) > 0:
 		raise BLTException('Unexpected data at end of BLT file')
 	if len(lines) > j + 3 + num_candidates:
 		raise BLTException('Unexpected data at end of BLT file')

pyRCV2/numbers/__init__.py

@@ -22,12 +22,14 @@ __pragma__('noskip')
 
 if is_py:
 	__pragma__('skip')
+	from pyRCV2.numbers.native_py import Native
 	from pyRCV2.numbers.rational_py import Rational
 	__pragma__('noskip')
 else:
+	from pyRCV2.numbers.native_js import Native
 	from pyRCV2.numbers.rational_js import Rational
 
-_numclass = Rational
+_numclass = Native
 
 def set_numclass(cls):
 	global _numclass

pyRCV2/numbers/native_js.py

@@ -0,0 +1,40 @@
+#   pyRCV2: Preferential vote counting
+#   Copyright © 2020  Lee Yingtong Li (RunasSudo)
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU Affero General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU Affero General Public License for more details.
+#
+#   You should have received a copy of the GNU Affero General Public License
+#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+class Native:
+	def __init__(self, val):
+		self.impl = parseFloat(val)
+	
+	def pp(self, dp):
+		return self.impl.toFixed(dp)
+	
+	def __add__(self, other):
+		return Native(self.impl + other.impl)
+	def __sub__(self, other):
+		return Native(self.impl - other.impl)
+	def __mul__(self, other):
+		return Native(self.impl * other.impl)
+	def __div__(self, other):
+		return Native(self.impl / other.impl)
+	
+	def __gt__(self, other):
+		return self.impl > other.impl
+	def __ge__(self, other):
+		return self.impl >= other.impl
+	def __lt__(self, other):
+		return self.impl < other.impl
+	def __le__(self, other):
+		return self.impl <= other.impl

pyRCV2/numbers/native_py.py

@@ -0,0 +1,41 @@
+#   pyRCV2: Preferential vote counting
+#   Copyright © 2020  Lee Yingtong Li (RunasSudo)
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU Affero General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU Affero General Public License for more details.
+#
+#   You should have received a copy of the GNU Affero General Public License
+#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+class Native:
+	def __init__(self, val):
+		self.impl = float(val)
+	
+	def pp(self, dp):
+		"""Pretty print to specified number of decimal places"""
+		return format(self.impl, '.{}f'.format(dp))
+	
+	def __add__(self, other):
+		return Native(self.impl + other.impl)
+	def __sub__(self, other):
+		return Native(self.impl - other.impl)
+	def __mul__(self, other):
+		return Native(self.impl * other.impl)
+	def __div__(self, other):
+		return Native(self.impl / other.impl)
+	
+	def __gt__(self, other):
+		return self.impl > other.impl
+	def __ge__(self, other):
+		return self.impl >= other.impl
+	def __lt__(self, other):
+		return self.impl < other.impl
+	def __le__(self, other):
+		return self.impl <= other.impl

test.html

@@ -89,7 +89,7 @@
 						
 						elTd = document.createElement('td');
 						elTd.style.borderTop = '1px solid black';
-						if (!countCard.transfers.impl.equals(0)) {
+						if (countCard.transfers.pp(2) != '0.00') {
 							elTd.innerText = countCard.transfers.pp(2);
 						}
 						elTr1.appendChild(elTd);
@@ -111,7 +111,7 @@
 					// Display exhausted votes
 					elTd = document.createElement('td');
 					elTd.style.borderTop = '1px solid black';
-					if (!result.exhausted.transfers.impl.equals(0)) {
+					if (result.exhausted.transfers.pp(2) != '0.00') {
 						elTd.innerText = result.exhausted.transfers.pp(2);
 					}
 					elExhausted1.appendChild(elTd);