small changes to print_floats

tools/print_floats.cpp

@@ -46,15 +46,10 @@ int main(int argc, const char **argv) {
 
    std::cout.precision(std::numeric_limits<double>::digits10 + 1);
 
-   auto print_triplet = [&]( double d, bool add_trailing_comma = false,
-                             int left_padding = 0, bool add_newline_at_end = true) {
+   auto print_triplet = [&]( double d, int left_padding = 0 ) {
       std::cout << std::setw(left_padding) << "";
       std::cout << "[\"0x" << std::hex << *(uint64_t*)(&d) << "\", \""
                 << std::hexfloat << d << "\", \"" << std::fixed << d << "\"]";
-      if( add_trailing_comma )
-         std::cout << ",";
-      if( add_newline_at_end )
-         std::cout << std::endl;
    };
 
    if( num_cases > 0 ) {
@@ -70,7 +65,12 @@ int main(int argc, const char **argv) {
 
          if( !(lbound <= v && v <= ubound) ) continue;
 
-         print_triplet(v, n != end, 2);
+         print_triplet(v, 2);
+         if( n != end )
+            std::cout << ",";
+
+         std::cout << std::endl;
+
          ++n;
       }
       std::cout << "]" << std::endl;
@@ -82,15 +82,19 @@ int main(int argc, const char **argv) {
 
       using nld = std::numeric_limits<double>;
 
-      std::cout << " lowest():        "; print_triplet(nld::lowest());
-      std::cout << " min():           "; print_triplet(nld::min());
-      std::cout << " max():           "; print_triplet(nld::max());
-      std::cout << " epsilon():       "; print_triplet(nld::epsilon());
-      std::cout << " round_error():   "; print_triplet(nld::round_error());
-      std::cout << " infinity():      "; print_triplet(nld::infinity());
-      std::cout << " quiet_NaN():     "; print_triplet(nld::quiet_NaN());
-      std::cout << " signaling_NaN(): "; print_triplet(nld::signaling_NaN());
-      std::cout << " denorm_min():    "; print_triplet(nld::denorm_min(), false);
+      std::cout << std::endl << " lowest():        "; print_triplet(nld::lowest());
+      std::cout << std::endl << " min():           "; print_triplet(nld::min());
+      std::cout << std::endl << " max():           "; print_triplet(nld::max());
+      std::cout << std::endl << " epsilon():       "; print_triplet(nld::epsilon());
+      std::cout << std::endl << " round_error():   "; print_triplet(nld::round_error());
+      std::cout << std::endl << " +0:              "; print_triplet(0.0);
+      std::cout << std::endl << " -0:              "; print_triplet(-0.0);
+      std::cout << std::endl << " infinity():      "; print_triplet(nld::infinity());
+      std::cout << std::endl << " -infinity():     "; print_triplet(-nld::infinity());
+      std::cout << std::endl << " quiet_NaN():     "; print_triplet(nld::quiet_NaN());
+      std::cout << std::endl << " signaling_NaN(): "; print_triplet(nld::signaling_NaN());
+      std::cout << std::endl << " denorm_min():    "; print_triplet(nld::denorm_min());
+      std::cout << std::endl;
 
    }