Set rounding mode explicitly where we need it

Instead of implicitly relying on the mode we expect it to be
oxen-io · Oct 9, 2019 · 049c2e8 · 049c2e8
1 parent d39a144
commit 049c2e8
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Showing 3 changed files with 3 additions and 5 deletions.
diff --git a/src/cryptonote_basic/cryptonote_basic_impl.cpp b/src/cryptonote_basic/cryptonote_basic_impl.cpp
@@ -92,6 +92,7 @@ namespace cryptonote {
 
   uint64_t block_reward_unpenalized_formula_v8(uint64_t height)
   {
+    std::fesetround(FE_TONEAREST);
     uint64_t result = 28000000000.0 + 100000000000.0 / loki::exp2(height / (720.0 * 90.0)); // halve every 90 days.
     return result;
   }

diff --git a/src/cryptonote_core/cryptonote_tx_utils.cpp b/src/cryptonote_core/cryptonote_tx_utils.cpp
@@ -45,7 +45,6 @@ using namespace epee;
 #include "ringct/rctSigs.h"
 #include "multisig/multisig.h"
 #include "int-util.h"
-#include <cfenv>
 
 using namespace crypto;
 
@@ -982,7 +981,6 @@ namespace cryptonote
   {
     blobdata bd = get_block_hashing_blob(b);
     rx_slow_hash(main_height, seed_height, seed_hash.data, bd.data(), bd.size(), res.data, 0, 1);
-    std::fesetround(FE_TONEAREST);
   }
 
   bool get_block_longhash(const Blockchain *pbc, const block& b, crypto::hash& res, const uint64_t height, const int miners)
@@ -995,8 +993,7 @@ namespace cryptonote
     const_cast<int &>(miners) = 0;
 #endif
 
-    if (hf_version >= network_version_12_checkpointing)
-    {
+    if (hf_version >= network_version_12_checkpointing) {
       uint64_t seed_height, main_height;
       crypto::hash hash;
       if (pbc != NULL)
@@ -1011,7 +1008,6 @@ namespace cryptonote
         main_height = 0;
       }
       rx_slow_hash(main_height, seed_height, hash.data, bd.data(), bd.size(), res.data, miners, 0);
-      std::fesetround(FE_TONEAREST);
       return true;
     }
 

diff --git a/src/cryptonote_core/service_node_rules.cpp b/src/cryptonote_core/service_node_rules.cpp
@@ -75,6 +75,7 @@ uint64_t get_staking_requirement(cryptonote::network_type m_nettype, uint64_t he
 
   uint64_t height_adjusted = height - hardfork_height;
   uint64_t base = 0, variable = 0;
+  std::fesetround(FE_TONEAREST);
   if (hf_version >= cryptonote::network_version_11_infinite_staking)
   {
     base     = 15000 * COIN;