half: missing OneMinusEpsilon constant

wjakob · wjakob · commit 52cf5239b397 · 2025-08-25T15:51:06.000+02:00
diff --git a/include/drjit-core/half.h b/include/drjit-core/half.h
@@ -215,6 +215,7 @@ template <> struct constants<half> {
 
     static constexpr half Infinity        = half::from_binary(0xfc00);
     static constexpr half NaN             = half::from_binary(0xffff);
+    static constexpr half OneMinusEpsilon = half::from_binary(0x3bff);
 };
 
 template <> struct debug_init<half> {
