# Commits

committed 1ea7694

some refactorings

• Participants
• Parent commits dfd9984
• Branches default

# File build_ext2.bat

• Ignore whitespace
`-del geoalg\*.pyd`
`-python setup.py build_ext --inplace`
`+python2 setup.py build_ext --inplace --force`
` `

# File build_ext3.bat

• Ignore whitespace
`-del geoalg\*.pyd`
`-python3 setup.py build_ext --inplace`
`+python3 setup.py build_ext --inplace --force`
` `

# File geoalg/__init__.py

• Ignore whitespace
` `
` import math`
` `
`-from .base import *`
`+from .util import *`
` from .polyline import Polyline`
` from .ray import Ray2D, ParallelRaysError`
` from .line import Line2D`

# File geoalg/base.py

• Ignore whitespace
`-#!/usr/bin/env python`
`-#coding:utf-8`
`-# Author:   --<>`
`-# Purpose:`
`-# Created: 27.03.2010`
`-`
`-import math`
`-`
`-HALF_PI = math.pi / 2.`
`-THREE_PI_HALF = 1.5 * math.pi`
`-DOUBLE_PI = math.pi * 2.`
`-`
`-EPSILON = (1, 0.1, 0.01, 0.001, 0.0001, 0.00001, 0.000001, 0.0000001)`
`-def equals_almost(v1, v2, places=7):`
`-    """compare two float values`
`-       places: significant decimal places`
`-    """`
`-    return abs(v1 - v2) < EPSILON[places]`
`-`
`-def rotate_2d(point, angle):`
`-    """ rotate point around origin point about angle """`
`-    x = point[0] * math.cos(angle) - point[1] * math.sin(angle)`
`-    y = point[1] * math.cos(angle) + point[0] * math.sin(angle)`
`-    return x, y`
`-`
`-def normalize_angle(angle):`
`-    """ return an angle between 0 and 2*pi """`
`-    angle = math.fmod(angle, DOUBLE_PI)`
`-    if angle < 0:`
`-        angle += DOUBLE_PI`
`-    return angle`
`-`
`-def is_vertical_angle(angle, places=7):`
`-    """ returns True for 1/2pi and 3/2pi """`
`-    angle = normalize_angle(angle)`
`-    return (equals_almost(angle, HALF_PI, places) or`
`-            equals_almost(angle, THREE_PI_HALF, places))`
`-`
`-def get_angle(p1, p2):`
`-    """calc angle between the line p1-p2 and the x-axis`
`-    input: points as tuples`
`-    result: angle in radians`
`-    """`
`-    dx = p1[0] - p2[0]`
`-    dy = p1[1] - p2[1]`
`-    return math.atan2(dy, dx)`
`-`
`-def right_of_line(point, p1, p2):`
`-    """ True if the point self is right of the line p1 -> p2`
`-    """`
`-    return not left_of_line(point, p1, p2)`
`-`
`-def left_of_line(point, p1, p2):`
`-    """ True if the point self is left of the line p1 -> p2`
`-    """`
`-    # check if a and b are on the same vertical line`
`-    if p1[0] == p2[0]:`
`-        # compute # on which site of the line self should be`
`-        should_be_left = p1[1] < p2[1]`
`-        if should_be_left:`
`-            return point[0] < p1[0]`
`-        else:`
`-            return point[0] > p1[0]`
`-    else:`
`-        # get pitch of line`
`-        pitch = (p2[1] - p1[1]) / (p2[0] - p1[0])`
`-`
`-        # get y-value at c's x-position`
`-        y = pitch * (point[0] - p1[0]) + p1[1]`
`-`
`-        # compute if point should be above or below the line`
`-        should_be_above = p1[0] < p2[0]`
`-        if should_be_above :`
`-            return point[1] > y`
`-        else:`
`-            return point[1] < y`

# File setup.py

• Ignore whitespace
`-# to build cvoronoi extension:`
`-# setup.py build_ext --inplace`
`+# to build c-extensions:`
`+# python setup.py build_ext --inplace --force`
` `
` from distutils.core import setup`
` from distutils.extension import Extension`
` import geoalg`
` `
` setup(`
`-  name = 'geoalg',`
`-  version=geoalg.__version__,`
`-  description="geoalg is a geometric algebra package.",`
`-  author='mozman',`
`-  url='http://bitbucket.org/mozman/geoalg',`
`-  author_email='mozman@gmx.at',`
`-  cmdclass = {'build_ext': build_ext},`
`-  ext_modules = ext_modules,`
`-  packages = ['geoalg', 'geoalg/nurbs'],`
`-  provides=['geoalg'],`
`+    name = 'geoalg',`
`+    version=geoalg.__version__,`
`+    description="geoalg is a geometric algebra package.",`
`+    author='mozman',`
`+    url='http://bitbucket.org/mozman/geoalg',`
`+    author_email='mozman@gmx.at',`
`+    cmdclass = {'build_ext': build_ext},`
`+    ext_modules = ext_modules,`
`+    packages = ['geoalg', 'geoalg/nurbs'],`
`+    provides=['geoalg'],`
`+    requires=['Cython']`
` )`