From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:24:48 +0200 Subject: Adding upstream version 1.2.2. Signed-off-by: Daniel Baumann --- src/3rdparty/2geom/tests/test_py2geom.py | 75 ++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 src/3rdparty/2geom/tests/test_py2geom.py (limited to 'src/3rdparty/2geom/tests/test_py2geom.py') diff --git a/src/3rdparty/2geom/tests/test_py2geom.py b/src/3rdparty/2geom/tests/test_py2geom.py new file mode 100644 index 0000000..d6ec83e --- /dev/null +++ b/src/3rdparty/2geom/tests/test_py2geom.py @@ -0,0 +1,75 @@ +#!/usr/bin/python + +import sys +sys.path.append(os.path.join(os.path.dirname(__file__), "..", "py2geom")) + +from py2geom import * +import py2geom + +P = Point(1,2) +Q = Point(3,5) +print P, Q, P+Q + +print L2(P) +print cross(P,Q) +#print dir(py2geom) + +import numpy + +ply = numpy.poly1d([1,0,2]) + +print ply(0.5) +t = numpy.poly1d([1,0]) +q,r = ply / t +print q,r + +print ply +print q*t + r +print ply + +def poly_to_sbasis(p): + sb = SBasis() + s = numpy.poly1d([-1, 1, 0]) + while True: + q,r = p / s + #print "r:", r + print "r:", repr(r) + x = Linear(r[0],r[1]+r[0]) + sb.append(x) + p = q + print "q:", repr(p), len(list(p)) + if len(list(p)) <= 1 and p[0] == 0: + return sb + +def sbasis_to_poly(sb): + p = numpy.poly1d([0]) + s = numpy.poly1d([-1, 1, 0]) + sp = numpy.poly1d([1]) + for sbt in sb: + p += sp*(sbt[0]*(numpy.poly1d([-1,1])) + sbt[1]*(numpy.poly1d([1,0]))) + sp *= s + return p + +trial = numpy.poly1d([1,0,2]) +sb = poly_to_sbasis(trial) +print repr(trial),"p2sb:", sb +print "and back again:", repr(sbasis_to_poly(sb)) +print repr(sbasis_to_poly(derivative(sb))), repr(trial.deriv()) + +print "unit tests:" +x = Linear(0,1) +sb = SBasis() +sb.append(x) +print sb +sb = sb*sb +print sb +print sb[0] + +print "terms" +for i in range(6): + sb = SBasis() + for j in range(3): + sb.append(Linear(i==2*j,i==2*j+1)) + print sb + + print sbasis_to_poly(sb) -- cgit v1.2.3