X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fnumeric.h;h=09603f660d33f1542995733b05dbdb96de4fc973;hp=2cf93480cf9eb16fb812cc4403882f526c20f33b;hb=a57c586be1fb226e9dd234b481c6b1da91013925;hpb=56fe6d8d9e7bd113e44bf2eadf26af0b9d480a01

diff --git a/ginac/numeric.h b/ginac/numeric.h
index 2cf93480..09603f66 100644
--- a/ginac/numeric.h
+++ b/ginac/numeric.h
@@ -105,6 +105,7 @@ public:
 public:
 	unsigned precedence() const {return 30;}
 	bool info(unsigned inf) const;
+	bool is_polynomial(const ex & var) const;
 	int degree(const ex & s) const;
 	int ldegree(const ex & s) const;
 	ex coeff(const ex & s, int n = 1) const;
@@ -119,6 +120,8 @@ public:
 	ex smod(const numeric &xi) const;
 	numeric max_coefficient() const;
 	ex conjugate() const;
+	ex real_part() const;
+	ex imag_part() const;
 protected:
 	/** Implementation of ex::diff for a numeric always returns 0.
 	 *  @see ex::diff */
@@ -148,7 +151,7 @@ public:
 	const numeric & operator=(double d);
 	const numeric & operator=(const char *s);
 	const numeric inverse() const;
-	int step() const;
+	numeric step() const;
 	int csgn() const;
 	int compare(const numeric &other) const;
 	bool is_equal(const numeric &other) const;
@@ -251,7 +254,7 @@ inline const numeric pow(const numeric &x, const numeric &y)
 inline const numeric inverse(const numeric &x)
 { return x.inverse(); }
 
-inline int step(const numeric &x)
+inline numeric step(const numeric &x)
 { return x.step(); }
 
 inline int csgn(const numeric &x)