Add test programs embedded in the doc.

1 files changed, 42 insertions, 0 deletions

diff --git a/awklib/eg/test-programs/gen-float-table.py b/awklib/eg/test-programs/gen-float-table.py
new file mode 100644
index 00000000..8631b817
--- /dev/null
+++ b/awklib/eg/test-programs/gen-float-table.py
@@ -0,0 +1,42 @@
+from math import *
+
+nan = float('NaN')
+inf = float('Inf')
+
+def eq(left, right):
+    return left == right
+
+def ne(left, right):
+    return left != right
+
+def lt(left, right):
+    return left < right
+
+def le(left, right):
+    return left <= right
+
+def gt(left, right):
+    return left > right
+
+def ge(left, right):
+    return left >= right
+
+func_map = {
+    "==": eq,
+    "!=": ne,
+    "< ": lt,
+    "<=": le,
+    "> ": gt,
+    ">=": ge,
+}
+
+compare = [2.0, nan, -nan, inf, -inf]
+values = [nan, -nan, inf, -inf]
+
+for i in range(len(values)):
+    for j in range(len(compare)):
+        for op in func_map:
+            print("%g %s %g -> %s" %
+                    (values[i], op, compare[j], func_map[op](values[i], compare[j])))
+
+        print("")