work around bugs and missing features in apfloat.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42235 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Lex/LiteralSupport.cpp b/Lex/LiteralSupport.cpp
index 3449c27..ae4c1a8 100644
--- a/Lex/LiteralSupport.cpp
+++ b/Lex/LiteralSupport.cpp
@@ -409,13 +409,20 @@
return OverflowOccurred;
}
-// GetFloatValue - Poor man's floatvalue (FIXME).
llvm::APFloat NumericLiteralParser::
GetFloatValue(const llvm::fltSemantics &Format) {
char floatChars[256];
strncpy(floatChars, ThisTokBegin, ThisTokEnd-ThisTokBegin);
floatChars[ThisTokEnd-ThisTokBegin] = '\0';
+#if 0
+ // This doesn't work yet.
return llvm::APFloat(Format, floatChars);
+#else
+ // FIXME: this is horrible!
+ llvm::APFloat V(strtod(floatChars, 0));
+ V.convert(Format, llvm::APFloat::rmTowardZero);
+ return V;
+#endif
}
void NumericLiteralParser::Diag(SourceLocation Loc, unsigned DiagID,