# HG changeset patch
# User Teemu Piippo <crimsondusk64@gmail.com>
# Date 1409485133 -10800
# Node ID 6e03c68c81baf3e3ee6486ad03ba634c641c5794
# Parent  557cb07dbe57ce68363577af9e25fddec6d8547c
- ring finder now also tries scaling by 10 (3.4, 6.4 -> 34, 64), fixed floating point math argghhhhhhhh

diff -r 557cb07dbe57 -r 6e03c68c81ba src/basics.h
--- a/src/basics.h	Sun Aug 31 03:10:51 2014 +0300
+++ b/src/basics.h	Sun Aug 31 14:38:53 2014 +0300
@@ -241,13 +241,13 @@
 template<typename T>
 inline bool IsZero (T a)
 {
-	return Abs<T> (a) < 0.0001;
+	return Abs<T> (a) < 0.00001;
 }
 
 template<typename T>
 inline bool IsIntegral (T a)
 {
-	return IsZero (a - int (a));
+	return (Abs (a - floor(a)) < 0.00001) or (Abs (a - ceil(a)) < 0.00001);
 }
 
 template<typename T>
diff -r 557cb07dbe57 -r 6e03c68c81ba src/macros.h
--- a/src/macros.h	Sun Aug 31 03:10:51 2014 +0300
+++ b/src/macros.h	Sun Aug 31 14:38:53 2014 +0300
@@ -71,6 +71,8 @@
 // =============================================================================
 //
 #define elif(A) else if (A)
+#define unless(A) if (not (A))
+#define until(A) while (not (A))
 
 // =============================================================================
 //
diff -r 557cb07dbe57 -r 6e03c68c81ba src/ringFinder.cc
--- a/src/ringFinder.cc	Sun Aug 31 03:10:51 2014 +0300
+++ b/src/ringFinder.cc	Sun Aug 31 14:38:53 2014 +0300
@@ -135,11 +135,18 @@
 		double r0f = r0 / scale;
 		double r1f = r1 / scale;
 
-		if (qFuzzyCompare (floor (r0f), r0f) and qFuzzyCompare (floor (r1f), r1f))
+		if (IsIntegral (r0f) and IsIntegral (r1f))
 		{
 			r0 = r0f;
 			r1 = r1f;
 		}
+		// If the numbers are both at most one-decimal fractions, we can use a scale of 10
+		elif (IsIntegral (r0 * 10) and IsIntegral (r1 * 10))
+		{
+			scale = 0.1;
+			r0 *= 10;
+			r1 *= 10;
+		}
 	}
 	else
 	{