From: Chris Dams <Chris.Dams@mi.infn.it>
Date: Thu, 9 Mar 2006 20:02:05 +0000 (+0000)
Subject: Make step(0)=1 for greater consistency.
X-Git-Tag: release_1-4-0~106
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=56fe6d8d9e7bd113e44bf2eadf26af0b9d480a01

Make step(0)=1 for greater consistency.
---

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index b8170e71..18943d3f 100644
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -931,10 +931,10 @@ const numeric numeric::inverse() const
  *  ignored because the step function is generally considered real but
  *  a numeric may develop a small imaginary part due to rounding errors.
  */
-numeric numeric::step() const
+int numeric::step() const
 {	cln::cl_R r = cln::realpart(value);
 	if(cln::zerop(r))
-		return numeric(1,2);
+		return 1;
 	if(cln::plusp(r))
 		return 1;
 	return 0;
diff --git a/ginac/numeric.h b/ginac/numeric.h
index f0e3362f..2cf93480 100644
--- a/ginac/numeric.h
+++ b/ginac/numeric.h
@@ -148,7 +148,7 @@ public:
 	const numeric & operator=(double d);
 	const numeric & operator=(const char *s);
 	const numeric inverse() const;
-	numeric step() const;
+	int step() const;
 	int csgn() const;
 	int compare(const numeric &other) const;
 	bool is_equal(const numeric &other) const;
@@ -251,7 +251,7 @@ inline const numeric pow(const numeric &x, const numeric &y)
 inline const numeric inverse(const numeric &x)
 { return x.inverse(); }
 
-inline numeric step(const numeric &x)
+inline int step(const numeric &x)
 { return x.step(); }
 
 inline int csgn(const numeric &x)