remove "using namespace std" from headers

It's nasty, and actually breaks on Solaris, where if.h fails to
build due to:

  struct map *if_memmap;

1 files changed, 3 insertions, 8 deletions

diff --git a/src/ringct/rctOps.h b/src/ringct/rctOps.h
index cb19bbbd6..412450c18 100644
--- a/src/ringct/rctOps.h
+++ b/src/ringct/rctOps.h
@@ -35,8 +35,6 @@
 #define RCTOPS_H
 
 #include <cstddef>
-#include <mutex>
-#include <vector>
 #include <tuple>
 
 #include "crypto/generic-ops.h"
@@ -57,9 +55,6 @@ extern "C" {
 #define DP(x)
 #endif
 
-using namespace std;
-using namespace crypto;
-
 namespace rct {
 
     //Various key initialization functions
@@ -99,13 +94,13 @@ namespace rct {
     key pkGen();
     //generates a random secret and corresponding public key
     void skpkGen(key &sk, key &pk);
-    tuple<key, key> skpkGen();
+    std::tuple<key, key> skpkGen();
     //generates a <secret , public> / Pedersen commitment to the amount
-    tuple<ctkey, ctkey> ctskpkGen(xmr_amount amount);
+    std::tuple<ctkey, ctkey> ctskpkGen(xmr_amount amount);
     //generates C =aG + bH from b, a is random
     void genC(key & C, const key & a, xmr_amount amount);
     //this one is mainly for testing, can take arbitrary amounts..
-    tuple<ctkey, ctkey> ctskpkGen(const key &bH);
+    std::tuple<ctkey, ctkey> ctskpkGen(const key &bH);
     // make a pedersen commitment with given key
     key commit(xmr_amount amount, const key &mask);
     // make a pedersen commitment with zero key