From c1f6cfdef9c59f96bc57c564f196201e04a8548f Mon Sep 17 00:00:00 2001
From: ptmcg <ptmcg@austin.rr.com>
Date: Wed, 8 Sep 2021 12:10:23 -0500
Subject: Update eval_arith.py to have better representation of true and false
 eval expressions

---
 examples/eval_arith.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'examples')

diff --git a/examples/eval_arith.py b/examples/eval_arith.py
index 23f40c8..613e728 100644
--- a/examples/eval_arith.py
+++ b/examples/eval_arith.py
@@ -173,6 +173,7 @@ comp_expr = infixNotation(
 # in safely evaluating them
 rules = [
     "( A - B ) = 0",
+    "( B - C + B ) = 0",
     "(A + B + C + D + E + F + G + H + I) = J",
     "(A + B + C + D + E + F + G + H) = I",
     "(A + B + C + D + E + F) = G",
@@ -180,6 +181,7 @@ rules = [
     "(A + B + C + D + E) = (F + G + H + I)",
     "(A + B + C + D + E) = F",
     "(A + B + C + D) = (E + F + G + H)",
+    "(A + B + C) = D",
     "(A + B + C) = (D + E + F)",
     "(A + B) = (C + D + E + F)",
     "(A + B) = (C + D)",
@@ -212,7 +214,7 @@ rules = [
     "A LT -1000.00",
     "A LT -5000",
     "A LT 0",
-    "A=(B+C+D)",
+    "G=(B+C+D)",
     "A=B",
     "I = (G + H)",
     "0.00 LE A LE 4.00",
@@ -255,7 +257,7 @@ for test, expected in tests:
     ret = comp_expr.parseString(test)[0]
     parsedvalue = ret.eval()
     print(test, expected, parsedvalue)
-    if parsedvalue != expected:
+    if abs(parsedvalue - expected) > 1e-6:
         print("<<< FAIL")
         failed += 1
     else:
-- 
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