def test_CurveT_linVal():
with open('tmp_file', 'w') as f:
f.write('\n'.join(
['1.0, 10.0', '2.0, 20.0', '3.0, 30.0', '4.0, 40.0', '5.0, 50.0']))
try:
curve = CurveT('tmp_file')
assert (isClose(curve.linVal(1.5), 15.0)
and isClose(curve.linVal(2.5), 25.0)
and isClose(curve.linVal(3.5), 35.0))
assert (isClose(curve.linVal(1.001), 10.01)
and isClose(curve.linVal(2.001), 20.01)
and isClose(curve.linVal(3.001), 30.01))
assert (isClose(curve.linVal(1.999), 19.99)
and isClose(curve.linVal(2.999), 29.99)
and isClose(curve.linVal(3.999), 39.99))
try:
curve.linVal(0.5)
raise AssertionError
except ValueError:
pass
try:
curve.linVal(5.5)
raise AssertionError
except ValueError:
pass
print('test of CurveT.linVal PASSED.')
except (AssertionError, ValueError, IndexError):
print('test of CurveT.linVal FAILED.')
def testCurveADT():
testQuad = CurveT()
quadVal_T = "testQuad.txt"
if quadVal_T == None:
raise LookupError("Cannot find file 'testQuad.txt'")
exit()
testLin = CurveT()
linVal_T = "testLin.txt"
if linVal_T == None:
raise LookupError("Cannot find file 'testLin.txt'")
exit()
testnPoly = CurveT()
nPolyVal_T = "testnplyv.txt"
if nPolyVal_T == None:
raise LookupError("Cannot find file 'testnplyv.txt'")
exit()
testQuad.CurveT(quadVal_T)
testnPoly.CurveT(nPolyVal_T)
testLin.CurveT(linVal_T)
count = 0
x_Lin = 8
linVal = testLin.linVal(x_Lin)
if (linVal == 16):
print("linVal: Pass")
count+=1
else:
print("linVal: Failed")
x_Quad = 5
quadVal = testQuad.quadVal(x_Quad)
if(quadVal == 25):
print("quadVal: Pass")
count+=1
else:
print("quadVal: Failed")
n_Poly = 3
x_Poly = 5.5
nPolyVal = testnPoly.npolyval(n_Poly,x_Poly)
if(round(nPolyVal,3) == 166.375):
print("nPolyVal: Pass")
count+=1
else:
print("nPolyVal: Failed")
if(count == 3):
print("\n{} of 3 passed\nCurveADT is good to go!".format(count))
else:
print("\n{} of 3 passed\nCurveADT is no good :( Try fixing it!".format(count))
def program():
testCurve = CurveT()
testCurve.CurveT('input.txt')
n = input("Enter the order of polynomial function: ")
x = input("Enter x value you wish to know y value for: ")
if (n == 1):
linTest = testCurve.linVal(x)
print("linVal: {}".format(linTest))
elif (n == 2):
polyTest = testCurve.quadVal(x)
print("polyVal results : {}".format(polyTest))
else:
y = testCurve.npolyval(n, x)
print("The y value of %f is %f" % (x, y))
def main():
newCurve = CurveT()
#filename = raw_input("What is the name of the file?: ")
filename = "linear.txt"
newCurve.CurveT(filename)
#xVal = input("What value of x would you like to find the y-value for?: ")
xVal = newCurve.curveX.
if (newCurve.degree == 1):
linTest = newCurve.linVal(xVal)
print("linval: %f" % linTest)
elif (newCurve.degree == 2):
polyTest = newCurve.quadVal(xVal)
print("polyval: %f" % polyTest)
yVal = newCurve.npolyval(xVal)
print("The y value of %f is %f" % (xVal, yVal))