1 files changed, 38 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/fmtableimp.h b/intl/icu/source/i18n/fmtableimp.h
new file mode 100644
index 000000000..7003a184f
--- /dev/null
+++ b/intl/icu/source/i18n/fmtableimp.h
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+* Copyright (C) 2010-2014, International Business Machines Corporation and    *
+* others. All Rights Reserved.                                                *
+*******************************************************************************
+*/
+
+#ifndef FMTABLEIMP_H
+#define FMTABLEIMP_H
+
+#include "digitlst.h"
+
+U_NAMESPACE_BEGIN
+
+/**
+ * @internal
+ */
+struct FmtStackData {
+  DigitList stackDecimalNum;   // 128
+  //CharString stackDecimalStr;  // 64
+  //                         -----
+  //                         192 total
+};
+
+/** 
+ * Maximum int64_t value that can be stored in a double without chancing losing precision.
+ *   IEEE doubles have 53 bits of mantissa, 10 bits exponent, 1 bit sign.
+ *   IBM Mainframes have 56 bits of mantissa, 7 bits of base 16 exponent, 1 bit sign.
+ * Define this constant to the smallest value from those for supported platforms.
+ * @internal
+ */
+static const int64_t MAX_INT64_IN_DOUBLE = 0x001FFFFFFFFFFFFFLL;
+
+U_NAMESPACE_END
+
+#endif