cms.bad_int_20260417 のソースコード

import sys


#===================
# parameters
#===================
h   = 0.01
n   = 100
eps = 1.0e-10



def getintarg(iarg, defval = None):
    try:
        return int(argv[iarg])
    except:
        return defval

        


def getfloatarg(iarg, defval = None):
    try:
        return float(argv[iarg])
    except:
        return defval



argv = sys.argv
narg = len(argv)
if narg <= 2:
    print("")
    print("Usage: python bad_if.py h n answer")
    print("    Check interger conversion of the summation of h for n times")
    print("")
    exit()
else:
    h      = getfloatarg(1, h)
    n      = getintarg(2, n)

#===================
# main routine
#===================
v = 0.0
for i in range(n):
    v += h

print("")
print(f"Summing up {h} for {n} times: v = {v}")
print(f"int({v}) = {int(v)}")
print(f"int({v} + {eps}) = {int(v + eps)}")

print("")