2 files changed, 36 insertions, 0 deletions
diff --git a/src/zig_clang.cpp b/src/zig_clang.cpp
index b558fa318c..e7f00773fd 100644
--- a/src/zig_clang.cpp
+++ b/src/zig_clang.cpp
@@ -1255,6 +1255,22 @@ static_assert((clang::StorageClass)ZigClangStorageClass_PrivateExtern == clang::
 static_assert((clang::StorageClass)ZigClangStorageClass_Auto == clang::SC_Auto, "");
 static_assert((clang::StorageClass)ZigClangStorageClass_Register == clang::SC_Register, "");
 
+void ZigClang_detect_enum_RoundingMode(llvm::APFloat::roundingMode x) {
+    switch (x) {
+        case llvm::APFloat::rmNearestTiesToEven:
+        case llvm::APFloat::rmTowardPositive:
+        case llvm::APFloat::rmTowardNegative:
+        case llvm::APFloat::rmTowardZero:
+        case llvm::APFloat::rmNearestTiesToAway:
+            break;
+    }
+}
+static_assert((llvm::APFloat::roundingMode)ZigClangAPFloat_roundingMode_NearestTiesToEven == llvm::APFloat::rmNearestTiesToEven, "");
+static_assert((llvm::APFloat::roundingMode)ZigClangAPFloat_roundingMode_TowardPositive == llvm::APFloat::rmTowardPositive, "");
+static_assert((llvm::APFloat::roundingMode)ZigClangAPFloat_roundingMode_TowardNegative == llvm::APFloat::rmTowardNegative, "");
+static_assert((llvm::APFloat::roundingMode)ZigClangAPFloat_roundingMode_TowardZero == llvm::APFloat::rmTowardZero, "");
+static_assert((llvm::APFloat::roundingMode)ZigClangAPFloat_roundingMode_NearestTiesToAway == llvm::APFloat::rmNearestTiesToAway, "");
+
 
 static_assert(sizeof(ZigClangSourceLocation) == sizeof(clang::SourceLocation), "");
 static ZigClangSourceLocation bitcast(clang::SourceLocation src) {
@@ -1829,3 +1845,10 @@ ZigClangCompoundStmt_const_body_iterator ZigClangCompoundStmt_body_end(const str
     auto casted = reinterpret_cast<const clang::CompoundStmt *>(self);
     return bitcast(casted->body_end());
 }
+
+unsigned ZigClangAPFloat_convertToHexString(const ZigClangAPFloat *self, char *DST,
+        unsigned HexDigits, bool UpperCase, enum ZigClangAPFloat_roundingMode RM)
+{
+    auto casted = reinterpret_cast<const llvm::APFloat *>(self);
+    return casted->convertToHexString(DST, HexDigits, UpperCase, (llvm::APFloat::roundingMode)RM);
+}
diff --git a/src/zig_clang.h b/src/zig_clang.h
index fd74536b28..5bf922eec0 100644
--- a/src/zig_clang.h
+++ b/src/zig_clang.h
@@ -32,6 +32,7 @@ struct ZigClangAPValueLValueBase {
 
 struct ZigClangAPValue;
 struct ZigClangAPSInt;
+struct ZigClangAPFloat;
 struct ZigClangASTContext;
 struct ZigClangASTUnit;
 struct ZigClangArraySubscriptExpr;
@@ -713,6 +714,15 @@ enum ZigClangStorageClass {
     ZigClangStorageClass_Register,
 };
 
+/// IEEE-754R 4.3: Rounding-direction attributes.
+enum ZigClangAPFloat_roundingMode {
+    ZigClangAPFloat_roundingMode_NearestTiesToEven,
+    ZigClangAPFloat_roundingMode_TowardPositive,
+    ZigClangAPFloat_roundingMode_TowardNegative,
+    ZigClangAPFloat_roundingMode_TowardZero,
+    ZigClangAPFloat_roundingMode_NearestTiesToAway,
+};
+
 ZIG_EXTERN_C struct ZigClangSourceLocation ZigClangSourceManager_getSpellingLoc(const struct ZigClangSourceManager *,
         struct ZigClangSourceLocation Loc);
 ZIG_EXTERN_C const char *ZigClangSourceManager_getFilename(const struct ZigClangSourceManager *,
@@ -827,4 +837,7 @@ ZIG_EXTERN_C struct ZigClangQualType ZigClangFunctionProtoType_getParamType(cons
 ZIG_EXTERN_C ZigClangCompoundStmt_const_body_iterator ZigClangCompoundStmt_body_begin(const struct ZigClangCompoundStmt *self);
 ZIG_EXTERN_C ZigClangCompoundStmt_const_body_iterator ZigClangCompoundStmt_body_end(const struct ZigClangCompoundStmt *self);
 
+ZIG_EXTERN_C unsigned ZigClangAPFloat_convertToHexString(const struct ZigClangAPFloat *self, char *DST,
+        unsigned HexDigits, bool UpperCase, enum ZigClangAPFloat_roundingMode RM);
+
 #endif