Adding upstream version 1.3.upstream/1.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/python/exact-arc-length-quad-bez.py b/src/python/exact-arc-length-quad-bez.py
new file mode 100644
index 0000000..fd2f4b3
--- /dev/null
+++ b/src/python/exact-arc-length-quad-bez.py
@@ -0,0 +1,16 @@
+import math
+
+def q(x, a, b, c):
+    sa = math.sqrt(a)
+    y = math.sqrt(a*x*x+b*x+c)
+    dp = 2*a*x + b
+    r = dp*y/(4*a)
+    t = abs(dp + 2*y*sa)
+    s = (4*a*c-b*b)/(a*sa*8)
+    return r+s*math.log(t)
+
+a = 1160390
+b = -922658
+c = 249477
+print q(1, a,b,c) - q(0,a,b,c)
+