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 // © 2022 and later: Unicode, Inc. and others.
 // License & terms of use: http://www.unicode.org/copyright.html
 
 #ifndef __USIMPLENUMBERFORMATTER_H__
 #define __USIMPLENUMBERFORMATTER_H__
 
 #include "unicode/utypes.h"
 
 #if !UCONFIG_NO_FORMATTING
 
 #include "unicode/uformattednumber.h"
 #include "unicode/unumberoptions.h"
 
 /**
  * \file
  * \brief C API: Simple number formatting focused on low memory and code size.
  *
  * These functions render locale-aware number strings but without the bells and whistles found in
  * other number formatting APIs such as those in unumberformatter.h, like units and currencies.
  *
  * Example using C++ helpers:
  *
  * <pre>
  * LocalUSimpleNumberFormatterPointer uformatter(usnumf_openForLocale("de-CH", status));
  * LocalUFormattedNumberPointer uresult(unumf_openResult(status));
  * usnumf_formatInt64(uformatter.getAlias(), 55, uresult.getAlias(), status);
  * assertEquals("",
  *     u"55",
  *     ufmtval_getString(unumf_resultAsValue(uresult.getAlias(), status), nullptr, status));
  * </pre>
  *
  * Example using pure C:
  * 
  * <pre>
  * UErrorCode ec = U_ZERO_ERROR;
  * USimpleNumberFormatter* uformatter = usnumf_openForLocale("bn", &ec);
  * USimpleNumber* unumber = usnum_openForInt64(1000007, &ec);
  * UFormattedNumber* uresult = unumf_openResult(&ec);
  * usnumf_format(uformatter, unumber, uresult, &ec);
  * int32_t len;
  * const UChar* str = ufmtval_getString(unumf_resultAsValue(uresult, &ec), &len, &ec);
  * if (assertSuccess("Formatting end-to-end", &ec)) {
  *     assertUEquals("Should produce a result in Bangla digits", u"১০,০০,০০৭", str);
  * }
 
  * // Cleanup:
  * unumf_closeResult(uresult);
  * usnum_close(unumber);
  * usnumf_close(uformatter);
  * </pre>
  */
 
 #ifndef U_HIDE_DRAFT_API
 
 
 /**
  * An explicit sign option for a SimpleNumber.
  *
  * @draft ICU 73
  */
 typedef enum USimpleNumberSign {
     /**
      * Render a plus sign.
      *
      * @draft ICU 73
      */
     UNUM_SIMPLE_NUMBER_PLUS_SIGN,
     /**
      * Render no sign.
      *
      * @draft ICU 73
      */
     UNUM_SIMPLE_NUMBER_NO_SIGN,
     /**
      * Render a minus sign.
      *
      * @draft ICU 73
      */
     UNUM_SIMPLE_NUMBER_MINUS_SIGN,
 } USimpleNumberSign;
 
 
 struct USimpleNumber;
 /**
  * C-compatible version of icu::number::SimpleNumber.
  *
  * @draft ICU 73
  */
 typedef struct USimpleNumber USimpleNumber;
 
 
 struct USimpleNumberFormatter;
 /**
  * C-compatible version of icu::number::SimpleNumberFormatter.
  *
  * @draft ICU 73
  */
 typedef struct USimpleNumberFormatter USimpleNumberFormatter;
 
 
 /**
  * Creates a new USimpleNumber to be formatted with a USimpleNumberFormatter.
  *
  * @draft ICU 73
  */
 U_CAPI USimpleNumber* U_EXPORT2
 usnum_openForInt64(int64_t value, UErrorCode* ec);
 
 
 /**
  * Overwrites the value in a USimpleNumber to an int64_t.
  *
  * This can be used to reset the number value after formatting.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_setToInt64(USimpleNumber* unumber, int64_t value, UErrorCode* ec);
 
 
 /**
  * Changes the value of the USimpleNumber by a power of 10.
  *
  * This function immediately mutates the inner value.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_multiplyByPowerOfTen(USimpleNumber* unumber, int32_t power, UErrorCode* ec);
 
 
 /**
  * Rounds the value currently stored in the USimpleNumber to the given power of 10.
  *
  * This function immediately mutates the inner value.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_roundTo(USimpleNumber* unumber, int32_t power, UNumberFormatRoundingMode roundingMode, UErrorCode* ec);
 
 
 /**
  * Pads the beginning of the number with zeros up to the given minimum number of integer digits.
  *
  * This setting is applied upon formatting the number.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_setMinimumIntegerDigits(USimpleNumber* unumber, int32_t minimumIntegerDigits, UErrorCode* ec);
 
 
 /**
  * Pads the end of the number with zeros up to the given minimum number of fraction digits.
  *
  * This setting is applied upon formatting the number.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_setMinimumFractionDigits(USimpleNumber* unumber, int32_t minimumFractionDigits, UErrorCode* ec);
 
 
 /**
  * Truncates digits from the beginning of the number to the given maximum number of integer digits.
  *
  * This function immediately mutates the inner value.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_truncateStart(USimpleNumber* unumber, int32_t maximumIntegerDigits, UErrorCode* ec);
 
 
 /**
  * Sets the sign of the number: an explicit plus sign, explicit minus sign, or no sign.
  *
  * This setting is applied upon formatting the number.
  *
  * NOTE: This does not support accounting sign notation.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_setSign(USimpleNumber* unumber, USimpleNumberSign sign, UErrorCode* ec);
 
 
 /**
  * Creates a new USimpleNumberFormatter with all locale defaults.
  *
  * @draft ICU 73
  */
 U_CAPI USimpleNumberFormatter* U_EXPORT2
 usnumf_openForLocale(const char* locale, UErrorCode* ec);
 
 
 /**
  * Creates a new USimpleNumberFormatter, overriding the grouping strategy.
  *
  * @draft ICU 73
  */
 U_CAPI USimpleNumberFormatter* U_EXPORT2
 usnumf_openForLocaleAndGroupingStrategy(
        const char* locale, UNumberGroupingStrategy groupingStrategy, UErrorCode* ec);
 
 
 /**
  * Formats a number using this SimpleNumberFormatter.
  *
  * The USimpleNumber is cleared after calling this function. It can be re-used via
  * usnum_setToInt64.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnumf_format(
     const USimpleNumberFormatter* uformatter,
     USimpleNumber* unumber,
     UFormattedNumber* uresult,
     UErrorCode* ec);
 
 
 /**
  * Formats an integer using this SimpleNumberFormatter.
  *
  * For more control over the formatting, use USimpleNumber.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnumf_formatInt64(
     const USimpleNumberFormatter* uformatter,
     int64_t value,
     UFormattedNumber* uresult,
     UErrorCode* ec);
 
 
 /**
  * Frees the memory held by a USimpleNumber.
  *
  * NOTE: Normally, a USimpleNumber should be adopted by usnumf_formatAndAdoptNumber.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnum_close(USimpleNumber* unumber);
 
 
 /**
  * Frees the memory held by a USimpleNumberFormatter.
  *
  * @draft ICU 73
  */
 U_CAPI void U_EXPORT2
 usnumf_close(USimpleNumberFormatter* uformatter);
 
 
 #if U_SHOW_CPLUSPLUS_API
 U_NAMESPACE_BEGIN
 
 /**
  * \class LocalUSimpleNumberPointer
  * "Smart pointer" class; closes a USimpleNumber via usnum_close().
  * For most methods see the LocalPointerBase base class.
  *
  * NOTE: Normally, a USimpleNumber should be adopted by usnumf_formatAndAdoptNumber.
  * If you use LocalUSimpleNumberPointer, call `.orphan()` when passing to that function.
  *
  * Usage:
  * <pre>
  * LocalUSimpleNumberPointer uformatter(usnumf_openForInteger(...));
  * // no need to explicitly call usnum_close()
  * </pre>
  *
  * @see LocalPointerBase
  * @see LocalPointer
  * @draft ICU 73
  */
 U_DEFINE_LOCAL_OPEN_POINTER(LocalUSimpleNumberPointer, USimpleNumber, usnum_close);
 
 /**
  * \class LocalUSimpleNumberFormatterPointer
  * "Smart pointer" class; closes a USimpleNumberFormatter via usnumf_close().
  * For most methods see the LocalPointerBase base class.
  *
  * Usage:
  * <pre>
  * LocalUSimpleNumberFormatterPointer uformatter(usnumf_openForLocale(...));
  * // no need to explicitly call usnumf_close()
  * </pre>
  *
  * @see LocalPointerBase
  * @see LocalPointer
  * @draft ICU 73
  */
 U_DEFINE_LOCAL_OPEN_POINTER(LocalUSimpleNumberFormatterPointer, USimpleNumberFormatter, usnumf_close);
 
 U_NAMESPACE_END
 #endif // U_SHOW_CPLUSPLUS_API
 
 #endif // U_HIDE_DRAFT_API
 
 #endif /* #if !UCONFIG_NO_FORMATTING */
 #endif //__USIMPLENUMBERFORMATTER_H__

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