示例#1
0
文件: sni_gm.py 项目: johnkerl/sack
def get_elements(n, sort_them=True):
	group_size = sackint.factorial(n)
	elts = []
	for k in range(0, group_size):
		elt = pmti_tm.kth_pmti(k, n, group_size)
		elts.append(elt)
	if sort_them:
		pmti_tm.sort_pmtis(elts)
	return elts
示例#2
0
文件: anc_gm.py 项目: devonjones/sack
def get_elements(n):
	sn_size = sackint.factorial(n)
	elts = []
	for k in range(0, sn_size):
		elt = pmtc_tm.kth_pmtc(k, n, sn_size)
		if (elt.parity() == 0):
			elts.append(elt)
	pmtc_tm.sort_pmtcs(elts)
	return elts
示例#3
0
def get_elements(n, sort_them=True):
    group_size = sackint.factorial(n)
    elts = []
    for k in range(0, group_size):
        elt = pmtc_tm.kth_pmtc(k, n, group_size)
        elts.append(elt)
    if sort_them:
        pmtc_tm.sort_pmtcs(elts)
    return elts
示例#4
0
def get_elements(n):
	sn_size = sackint.factorial(n)
	elts = []
	for k in range(0, sn_size):
		elt = pmti_tm.kth_pmti(k, n, sn_size)
		if (elt.parity() == 0):
			elts.append(elt)
	pmti_tm.sort_pmtis(elts)
	return elts
示例#5
0
def num_ct_reps(ct):
    # Find n
    n = 0
    for e in ct:
        n += e

    # Find n!
    rv = sackint.factorial(n)

    # Account for cyclic shifts within cycles.
    for e in ct:
        rv /= e

    # Account for permutations of same-length cycles.
    pairs = type_to_counts(ct)
    for pair in pairs:
        rv /= sackint.factorial(pair[1])

    return rv
示例#6
0
文件: pmtc_tm.py 项目: johnkerl/sack
def num_ct_reps(ct):
	# Find n
	n = 0
	for e in ct:
		n += e

	# Find n!
	rv = sackint.factorial(n)

	# Account for cyclic shifts within cycles.
	for e in ct:
		rv /= e

	# Account for permutations of same-length cycles.
	pairs = type_to_counts(ct)
	for pair in pairs:
		rv /= sackint.factorial(pair[1])

	return rv