Reapply adding default switch cases to half.hpp to make compiler happy

lightvector · Feb 18, 2023 · a5cd339 · a5cd339
1 parent 2f7a95f
commit a5cd339
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diff --git a/cpp/external/half-2.2.0/ChangeLog.txt b/cpp/external/half-2.2.0/ChangeLog.txt
@@ -1,3 +1,6 @@
+NOTE: This version is also locally modified for KataGo to fix some g++
+compiler warnings about default switch cases.
+
 Release Notes											{#changelog}
 =============
 

diff --git a/cpp/external/half-2.2.0/include/half.hpp b/cpp/external/half-2.2.0/include/half.hpp
@@ -14,6 +14,8 @@
 // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+// MODIFIED by lightvector to fix some g++ compiler warnings about default switch cases.
+
 // Version 2.2.0
 
 /// \file
@@ -3093,6 +3095,7 @@ namespace half_float
 			case 0x5640: return half(detail::binary, 0x4000);
 			case 0x63D0: return half(detail::binary, 0x4200);
 			case 0x70E2: return half(detail::binary, 0x4400);
+    default: break;
 		}
 		for(; abs<0x400; abs<<=1,--exp) ;
 		exp += abs >> 10;
@@ -3450,6 +3453,7 @@ namespace half_float
 			case 0x3C00: return half(detail::binary, detail::check_underflow(x.data_));
 			case 0x4000: return x * x;
 			case 0xBC00: return half(detail::binary, 0x3C00) / x;
+    default: break;
 		}
 		for(; absx<0x400; absx<<=1,--exp) ;
 		detail::uint32 ilog = exp + (absx>>10), msign = detail::sign_mask(ilog), f, m =
@@ -3530,6 +3534,7 @@ namespace half_float
 					*sin = half(detail::binary, detail::rounded<half::round_style,true>((arg.data_&0x8000)|0x0FE6, 1, 1));
 					*cos = half(detail::binary, detail::rounded<half::round_style,true>(0x3BFF, 1, 1));
 					return;
+        default: break;
 				}
 			}
 			std::pair<detail::uint32,detail::uint32> sc = detail::sincos(detail::angle_arg(abs, k), 28);
@@ -3538,6 +3543,7 @@ namespace half_float
 				case 1: sc = std::make_pair(sc.second, -sc.first); break;
 				case 2: sc = std::make_pair(-sc.first, -sc.second); break;
 				case 3: sc = std::make_pair(-sc.second, sc.first); break;
+      default: break;
 			}
 			*sin = half(detail::binary, detail::fixed2half<half::round_style,30,true,true,true>((sc.first^-static_cast<detail::uint32>(sign))+sign));
 			*cos = half(detail::binary, detail::fixed2half<half::round_style,30,true,true,true>(sc.second));
@@ -3571,6 +3577,7 @@ namespace half_float
 				case 0x48B7: return half(detail::binary, detail::rounded<half::round_style,true>((~arg.data_&0x8000)|0x1D07, 1, 1));
 				case 0x6A64: return half(detail::binary, detail::rounded<half::round_style,true>((~arg.data_&0x8000)|0x3BFE, 1, 1));
 				case 0x6D8C: return half(detail::binary, detail::rounded<half::round_style,true>((arg.data_&0x8000)|0x0FE6, 1, 1));
+      default: break;
 			}
 		std::pair<detail::uint32,detail::uint32> sc = detail::sincos(detail::angle_arg(abs, k), 28);
 		detail::uint32 sign = -static_cast<detail::uint32>(((k>>1)&1)^(arg.data_>>15));
@@ -3631,6 +3638,7 @@ namespace half_float
 			{
 				case 0x658C: return half(detail::binary, detail::rounded<half::round_style,true>((arg.data_&0x8000)|0x07E6, 1, 1));
 				case 0x7330: return half(detail::binary, detail::rounded<half::round_style,true>((~arg.data_&0x8000)|0x4B62, 1, 1));
+      default: break;
 			}
 		std::pair<detail::uint32,detail::uint32> sc = detail::sincos(detail::angle_arg(abs, k), 30);
 		if(k & 1)
@@ -3892,6 +3900,7 @@ namespace half_float
 			{
 				case 0x32D4: return half(detail::binary, detail::rounded<half::round_style,true>(arg.data_-13, 1, 1));
 				case 0x3B5B: return half(detail::binary, detail::rounded<half::round_style,true>(arg.data_-197, 1, 1));
+      default: break;
 			}
 		return half(detail::binary, detail::area<half::round_style,true>(arg.data_));
 	#endif