From: Richard Kreckel <kreckel@ginac.de>
Date: Thu, 9 Apr 2020 19:23:25 +0000 (+0200)
Subject: Make C++ files in doc/examples/ compile again.
X-Git-Tag: release_1-7-9~4
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=aac4cec4d116f0b39daddb35181d1aa85297d4ba;hp=f7dc280e991f5151beed5aadd5d3641743e7dc9b

Make C++ files in doc/examples/ compile again.
---

diff --git a/doc/examples/archive1.cpp b/doc/examples/archive1.cpp
index c20db620..6361becc 100644
--- a/doc/examples/archive1.cpp
+++ b/doc/examples/archive1.cpp
@@ -32,8 +32,7 @@ int main()
 	ifstream in("foobar.gar");
 	in >> a2;
 
-	lst syms;
-	syms = x, y;
+	lst syms = {x, y};
 
 	ex ex1 = a2.unarchive_ex(syms, "foo");
 	ex ex2 = a2.unarchive_ex(syms, "the second one");
diff --git a/doc/examples/lanczos.cpp b/doc/examples/lanczos.cpp
index 627bb3f8..dcad1cb8 100644
--- a/doc/examples/lanczos.cpp
+++ b/doc/examples/lanczos.cpp
@@ -48,6 +48,7 @@
  * MA  02110-1301 USA
  */
 
+#include <getopt.h>
 #include <vector>
 #include <cstddef> // for size_t
 #include <iostream>
diff --git a/doc/examples/mystring.cpp b/doc/examples/mystring.cpp
index bcbf96a8..56c844d2 100644
--- a/doc/examples/mystring.cpp
+++ b/doc/examples/mystring.cpp
@@ -14,7 +14,7 @@ class mystring : public basic
 	GINAC_DECLARE_REGISTERED_CLASS(mystring, basic)
 public:
 	mystring(const string &s);
-	ex eval(int level) const override;
+	ex eval() const override;
 private:
 	string str;
 
@@ -54,7 +54,7 @@ void mystring::do_print(const print_context &c, unsigned level) const
  * evaluation: all strings automatically converted to lowercase with
  * non-alphabetic characters stripped, and empty strings removed
  */
-ex mystring::eval(int level) const
+ex mystring::eval() const
 {
 	string new_str;
 	for (size_t i=0; i<str.length(); i++) {