1 // Copyright (C) 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 ******************************************************************************* 5 * Copyright (C) 2010-2014, International Business Machines Corporation and * 6 * others. All Rights Reserved. * 7 ******************************************************************************* 8 */ 9 10 #ifndef FMTABLEIMP_H 11 #define FMTABLEIMP_H 12 13 #include "digitlst.h" 14 15 U_NAMESPACE_BEGIN 16 17 /** 18 * @internal 19 */ 20 struct FmtStackData { 21 DigitList stackDecimalNum; // 128 22 //CharString stackDecimalStr; // 64 23 // ----- 24 // 192 total 25 }; 26 27 /** 28 * Maximum int64_t value that can be stored in a double without chancing losing precision. 29 * IEEE doubles have 53 bits of mantissa, 10 bits exponent, 1 bit sign. 30 * IBM Mainframes have 56 bits of mantissa, 7 bits of base 16 exponent, 1 bit sign. 31 * Define this constant to the smallest value from those for supported platforms. 32 * @internal 33 */ 34 static const int64_t MAX_INT64_IN_DOUBLE = 0x001FFFFFFFFFFFFFLL; 35 36 U_NAMESPACE_END 37 38 #endif 39