#! /usr/bin/env python

import openturns as ot

# Default constructor
flat1 = ot.IndicesCollection()
print("flat1=", flat1)

# Constructor with Collection<Indices>
coll2 = []
ind1 = ot.Indices(1)
ind4 = ot.Indices(4)
ind4.fill(8)
ind3 = ot.Indices(3)
ind3.fill(3)
coll2.append(ind1)
coll2.append(ind4)
coll2.append(ind3)
flat2 = ot.IndicesCollection(coll2)
print("flat2=", flat2)

# Copy constructor
flat3 = ot.IndicesCollection(flat2)
print("flat3=", flat3)

# Strided
coll4 = []
coll4.append(ind4)
coll4.append(ind4)
coll4.append(ind4)
strided1 = ot.IndicesCollection(coll4)
print("strided1=", strided1)

# Constructor with dimensions and values
full = ot.Indices(16)
full.fill()
strided2 = ot.IndicesCollection(8, 2, full)
print("strided2=", strided2)

# slicing
print("strided2[2] = ", strided2[2])
strided2[2] = [1, 3]
print("strided2 = ", strided2)
try:
    strided2[2] = [1, 2, 3]
    print("Should throw")
except TypeError:
    pass

# loop
for x in strided2:
    print(x)

try:
    ot.IndicesCollection([["zou"]])
except Exception:
    print("ok")