From 4aac587d506adf4d2969bc40a2857edceef6fa07 Mon Sep 17 00:00:00 2001
From: Jean-Luc Pons <pons@esrf.fr>
Date: Sun, 3 Mar 2019 10:04:06 +0100
Subject: [PATCH] Fixed some compilation warning

---
 Int.cpp    |  3 +--
 IntMod.cpp | 23 ++++++-----------------
 Vanity.cpp |  2 +-
 main.cpp   |  4 ++--
 4 files changed, 10 insertions(+), 22 deletions(-)

diff --git a/Int.cpp b/Int.cpp
index f385053..e025840 100644
--- a/Int.cpp
+++ b/Int.cpp
@@ -789,7 +789,7 @@ void Int::Div(Int *a,Int *mod) {
   int sb = tSize-1;
         
   // D2 Initialize j
-  for(int j=0; j<qSize; j++) {
+  for(int j=0; j<(int)qSize; j++) {
 
     // D3 Estimate qhat
     uint32_t qhat = 0;
@@ -1099,7 +1099,6 @@ void Int::Check() {
   double t0;
   double t1;
   double tTotal;
-  double tTotal2;
   int   i;
   bool ok;
 
diff --git a/IntMod.cpp b/IntMod.cpp
index c673340..c10233f 100644
--- a/IntMod.cpp
+++ b/IntMod.cpp
@@ -776,29 +776,18 @@ static inline void mulP(uint64_t a,uint64_t *dst) {
   // Multiply a by (2^256 - 2^32 - 977) (Secpk1 prime field)
   unsigned char c = 0;
 
-  uint64_t a32h = a >> 32;
-  uint64_t a32l = a << 32;
-  uint64_t a977h;
-  uint64_t a977l;
+  uint64_t ah;
+  uint64_t al;
 
-  a977l = _umul128(a,977,&a977h);
+  al = _umul128(a, 0x1000003D1ULL,&ah);
 
-  // Compute a.2^256 - a.2^32
-  c = _subborrow_u64(c,0,a32l,dst + 0);
-  c = _subborrow_u64(c,0,a32h,dst + 1);
+  // Compute a.2^256 - a.(2^32 + 977)
+  c = _subborrow_u64(c,0,al,dst + 0);
+  c = _subborrow_u64(c,0,ah,dst + 1);
   c = _subborrow_u64(c,0,0,dst + 2);
   c = _subborrow_u64(c,0,0,dst + 3);
   _subborrow_u64(c,a,0,dst + 4);
 
-  c = 0;
-
-  // Compute (a.2^256 - a.2^32) - a.977
-  c = _subborrow_u64(c,dst[0],a977l,dst + 0);
-  c = _subborrow_u64(c,dst[1],a977h,dst + 1);
-  c = _subborrow_u64(c,dst[2],0,dst + 2);
-  c = _subborrow_u64(c,dst[3],0,dst + 3);
-  _subborrow_u64(c,dst[4],0,dst + 4);
-
 }
 
 // ------------------------------------------------
diff --git a/Vanity.cpp b/Vanity.cpp
index a092039..880af5c 100644
--- a/Vanity.cpp
+++ b/Vanity.cpp
@@ -542,7 +542,7 @@ void VanitySearch::Search(int nbThread,std::vector<int> gpuId,std::vector<int> g
   double t1;
   endOfSearch = false;
   nbCPUThread = nbThread;
-  nbGPUThread = (useGpu?gpuId.size():0);
+  nbGPUThread = (useGpu?(int)gpuId.size():0);
   nbFoundKey = 0;
 
   memset(counters,0,sizeof(counters));
diff --git a/main.cpp b/main.cpp
index 91916f2..a186fbd 100644
--- a/main.cpp
+++ b/main.cpp
@@ -54,7 +54,7 @@ int getInt(string name,char *v) {
 
     r = std::stoi(string(v));
 
-  } catch(std::invalid_argument &ex) {
+  } catch(std::invalid_argument&) {
 
     printf("Invalid %s argument, number expected\n",name.c_str());
     exit(-1);
@@ -82,7 +82,7 @@ void getInts(string name,vector<int> &tokens, const string &text, char sep) {
     item = std::stoi(text.substr(start));
     tokens.push_back(item);
 
-  } catch(std::invalid_argument &ex) {
+  } catch(std::invalid_argument &) {
 
     printf("Invalid %s argument, number expected\n",name.c_str());
     exit(-1);