from DTR import *
from decimal import Decimal

techno = Techno.readFromFile("./example.dtr.xml")

print("+-----------------------------+")
print("| technology:      "+techno.get)   +  "    |")
print("| units:           "+techno.getUnit()   +"      |")
print("| version:         "+techno.getVersion()+"      |")
print("+-----------------------------+\n\n")

print("transistorMinL                = %s"%techno.getValue("transistorMinL"))
print("transistorMinW                = %s"%Decimal(techno.getValueAsString("transistorMinW")))
print("minWidth of metal1            = %s"%techno.getValue("minWidth", "metal1"))
print("minSpacing of metal1          = %s"%techno.getValue("minWidth", "metal1"))
print("minSpacing of active vs poly  = %s"%techno.getValue("minSpacing", "active", "poly"))
print("minExtension active over poly = %s"%techno.getValue("minExtension", "poly", "active"))
print("minArea of metal1             = %s"%techno.getValue("minArea", "metal1"))

# an example of why it is important to use Decimal in python:
print(techno.getValue("minArea", "metal1")*3-0.3) # returns 5.55111512313e-17
print(Decimal(techno.getValueAsString("minArea", "metal1"))*3-Decimal('0.3')) # returns 0.000