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diff --git a/Build/source/libs/icu/icu-50.1/i18n/nfrs.h b/Build/source/libs/icu/icu-50.1/i18n/nfrs.h
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index 00000000000..9bac043f76f
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+++ b/Build/source/libs/icu/icu-50.1/i18n/nfrs.h
@@ -0,0 +1,101 @@
+/*
+******************************************************************************
+* Copyright (C) 1997-2012, International Business Machines
+* Corporation and others. All Rights Reserved.
+******************************************************************************
+* file name: nfrs.h
+* encoding: US-ASCII
+* tab size: 8 (not used)
+* indentation:4
+*
+* Modification history
+* Date Name Comments
+* 10/11/2001 Doug Ported from ICU4J
+*/
+
+#ifndef NFRS_H
+#define NFRS_H
+
+#include "unicode/uobject.h"
+#include "unicode/rbnf.h"
+
+#if U_HAVE_RBNF
+
+#include "unicode/utypes.h"
+#include "unicode/umisc.h"
+
+#include "nfrlist.h"
+
+U_NAMESPACE_BEGIN
+
+class NFRuleSet : public UMemory {
+ public:
+ NFRuleSet(UnicodeString* descriptions, int32_t index, UErrorCode& status);
+ void parseRules(UnicodeString& rules, const RuleBasedNumberFormat* owner, UErrorCode& status);
+ void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; }
+
+ ~NFRuleSet();
+
+ UBool operator==(const NFRuleSet& rhs) const;
+ UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); }
+
+ UBool isPublic() const { return fIsPublic; }
+
+ UBool isParseable() const { return fIsParseable; }
+
+ UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
+
+ void getName(UnicodeString& result) const { result.setTo(name); }
+ UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
+
+ void format(int64_t number, UnicodeString& toAppendTo, int32_t pos) const;
+ void format(double number, UnicodeString& toAppendTo, int32_t pos) const;
+
+ UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const;
+
+ void appendRules(UnicodeString& result) const; // toString
+
+ private:
+ NFRule * findNormalRule(int64_t number) const;
+ NFRule * findDoubleRule(double number) const;
+ NFRule * findFractionRuleSetRule(double number) const;
+
+ private:
+ UnicodeString name;
+ NFRuleList rules;
+ NFRule *negativeNumberRule;
+ NFRule *fractionRules[3];
+ UBool fIsFractionRuleSet;
+ UBool fIsPublic;
+ UBool fIsParseable;
+ int32_t fRecursionCount;
+
+ NFRuleSet(const NFRuleSet &other); // forbid copying of this class
+ NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
+};
+
+// utilities from old llong.h
+// convert mantissa portion of double to int64
+int64_t util64_fromDouble(double d);
+
+// raise radix to the power exponent, only non-negative exponents
+int64_t util64_pow(int32_t radix, uint32_t exponent);
+
+// convert n to digit string in buffer, return length of string
+uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
+
+#ifdef RBNF_DEBUG
+int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
+uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
+int64_t util64_atoi(const char* str, uint32_t radix);
+#endif
+
+
+U_NAMESPACE_END
+
+/* U_HAVE_RBNF */
+#endif
+
+// NFRS_H
+#endif
+