From: Leandro Lucarella <luca@llucax.hn.org>
Date: Sun, 9 Oct 2005 21:22:07 +0000 (+0000)
Subject: Implementa operator>> desde un istream.
X-Git-Tag: darcs_import~5
X-Git-Url: https://git.llucax.com/z.facultad/75.29/dale.git/commitdiff_plain/b0a11724c9e744f04fd3986969d8ef9edd450c02

Implementa operator>> desde un istream.
---

diff --git a/src/number.h b/src/number.h
index 8c37df6..bc1e5c2 100644
--- a/src/number.h
+++ b/src/number.h
@@ -14,6 +14,8 @@
 #include <iomanip>
 #include <string>
 #include <sstream>
+#include <istream>
+#include <ostream>
 #include <cassert>
 
 #ifdef _WIN32
@@ -478,6 +480,20 @@ std::ostream& operator<< (std::ostream& os, const number< NN, EE >& n)
 	return os;
 }
 
+template < typename N, typename E >
+std::istream& operator>> (std::istream& is, number< N, E >& n)
+{
+	std::string str;
+	is >> str;
+	unsigned base = 10;
+	if (is.flags() & std::ios_base::hex) // Si lo piden en hexa
+		base = 16;
+	if (is.flags() & std::ios_base::oct) // Si lo piden en octal
+		base = 8;
+	n = number< N, E >(str, base);
+	return is;
+}
+
 template < typename N, typename E >
 std::string numberToHex(const number< N, E >& n)
 {