#On the name of ALLAH and may the blessing and peace of Allah
#be upon the Messenger of Allah Mohamed Salla Allahu Aliahi Wassalam.
#Author : Fouad Teniou
#Date : 05/08/08
#Version : 2.4
import cmath as c
import math as m
##################################################################
# x**2 = -1 an equation which does not have a solution in the real number field
# i = Square-Root (-1) < -- > i**2 = -1 made it possible to develop the complex numbers
# of the form a + bj
###################################################################
class Quadratic:
def __call__(self,**args):
self.args = args
if (len(args) == 3 and self.args.has_key('a') and self.args.get('a') !=0
and self.args.has_key('b') and self.args.has_key('c')):
if ((self.args.get('b'))**2-(4*(self.args.get('a'))*(self.args.get('c'))))>=0:
self.compute1 = "%2.2f" % float(((self.args.get('b')*(-1))+(m.sqrt((self.args.get('b'))**
2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a')))
self.compute2 = "%2.2f" % float(((self.args.get('b')*(-1))-(m.sqrt((self.args.get('b'))**
2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a')))
elif ((self.args.get('b'))**2-(4*(self.args.get('a'))*(self.args.get('c'))))<0:
self.compute1 = "%2.2f" % float(((self.args.get('b')*(-1))+(c.sqrt((self.args.get('b'))**
2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a')))
self.compute2 = "%2.2f" % float(((self.args.get('b')*(-1))-(c.sqrt((self.args.get('b'))**
2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a')))
else:
self.args = 0
return (self.compute1,self.compute2)
def __str__(self):
if self.args == 0:
return '\n<Quadratic : Equation should be of the form of ax%+bx+c (a=?,b=?,c=?) and a !=0' % chr(253)
else:
if self.compute1==self.compute2:
return ('\n<Quadratic : Equation of the form %sx%s +(%s)x+(%s) = 0 \n\n<Solutions : x = %s\n\t'
% (self.args.get('a'),chr(253),self.args.get('b'),self.args.get('c'),self.compute1))
else:
return ('\n<Quadratic : Equation of the form %sx%s +(%s)x+(%s) = 0 \n\n<Solutions : x = %s\n\t x = %s'
% (self.args.get('a'),chr(253),self.args.get('b'),self.args.get('c'),self.compute1,self.compute2))
if __name__ =='__main__':
y = Quadratic()
y(a=7,b=-2,c=-2)
print y
y(a=-1,b=4,c=-5)
print y
y(a=4,b=-4,c=1)
print y
y(a=0,b=3,c=3)
print y
##########################################################################################
#Version : Python 3.2
#import cmath as c
#import math as m
#class Quadratic:
# def __call__(self,**args):
# self.args = args
# if (len(args)==3 and 'a' in self.args and self.args.get('a')!=0
# and 'b' in self.args and 'c' in self.args):
# if ((self.args.get('b'))**2-(4*(self.args.get('a'))*(self.args.get('c'))))#>=0:
# self.compute1 = "%2.2f" % float(((self.args.get('b')*(-1))+( m.sqrt((self.args.get('b'))**
# 2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a')))
# self.compute2 = "%2.2f" % float(((self.args.get('b')*(-1))-( m.sqrt((self.args.get('b'))**
# 2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a')))
# elif ((self.args.get('b'))**2-(4*(self.args.get('a'))*(self.args.get('c'))))<0:
# self.compute1 = ((self.args.get('b')*(-1))+( c.sqrt((self.args.get('b')**
# 2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a'))
# self.compute2 = ((self.args.get('b')*(-1))-(c.sqrt((self.args.get('b'))**
# 2-(4*(self.args.get('a'))*(self.args.get('c'))))))/(2*self.args.get('a'))
# else:
# self.args = 0
# return (self.compute1,self.compute2)
# def __str__(self):
# if self.args == 0:
# return '\n<Quadratic : Equation should be of the form of ax%s+bx+c (a=?,b=?,c=?) and a != 0' % chr(178)
# else:
# if self.compute1==self.compute2:
# return ('\n<Quadratic : Equation of the form %sx%s + (%s)x + (%s) = 0 #\n\n<Solutions : x = %s\n\t'
# % (self.args.get('a'),chr(178),self.args.get('b'),self.args.get('c'),self.compute1))
# else:
# return ('\n<Quadratic : Equation of the form %sx%s + (%s)x + (%s) = 0 #\n\n<Solutions : x = %s\n\t x = %s'
# % (self.args.get('a'),chr(178),self.args.get('b'),self.args.get('c'),self.compute1,self.compute2))
2)
#if __name__=='__main__':
# y = Quadratic()
# y(a=1,b=-0.2,c=-0.4)
# print(y)
# y(a=-1,b=4,c=-5)
# print(y)
# y(a=4,b=-4,c=1)
# print(y)
# y(a=0,b=3,c=3)
# print(y)
# y(a=-1900,b=177,c=333)
# print(y)
#
Diff to Previous Revision
--- revision 18 2011-01-28 12:29:30
+++ revision 19 2011-01-28 12:46:37
@@ -56,6 +56,8 @@
print y
##########################################################################################
#Version : Python 3.2
+#import cmath as c
+#import math as m
#class Quadratic:
# def __call__(self,**args):
