[apple/icu.git] / icuSources / i18n / fmtableimp.h

/*
*******************************************************************************
* 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
Commit	Line	Data
51004dcb A	1	/*
51004dcb A	2	*******************************************************************************
b331163b	3	* Copyright (C) 2010-2014, International Business Machines Corporation and *
51004dcb A	4	* others. All Rights Reserved. *
	5	*******************************************************************************
	6	*/
	7
	8	#ifndef FMTABLEIMP_H
	9	#define FMTABLEIMP_H
	10
b331163b A	11	#include "digitlst.h"
	12
	13	U_NAMESPACE_BEGIN
51004dcb A	14
	15	/**
	16	* @internal
	17	*/
	18	struct FmtStackData {
	19	DigitList stackDecimalNum; // 128
	20	//CharString stackDecimalStr; // 64
	21	// -----
	22	// 192 total
	23	};
	24
b331163b A	25	/**
	26	* Maximum int64_t value that can be stored in a double without chancing losing precision.
	27	* IEEE doubles have 53 bits of mantissa, 10 bits exponent, 1 bit sign.
	28	* IBM Mainframes have 56 bits of mantissa, 7 bits of base 16 exponent, 1 bit sign.
	29	* Define this constant to the smallest value from those for supported platforms.
	30	* @internal
	31	*/
	32	static const int64_t MAX_INT64_IN_DOUBLE = 0x001FFFFFFFFFFFFFLL;
51004dcb	33
b331163b	34	U_NAMESPACE_END
51004dcb A	35
51004dcb A	36	#endif