fmtableimp.h (1049B)
1 // © 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 "number_decimalquantity.h" 14 15 #if !UCONFIG_NO_FORMATTING 16 17 U_NAMESPACE_BEGIN 18 19 /** 20 * Maximum int64_t value that can be stored in a double without chancing losing precision. 21 * IEEE doubles have 53 bits of mantissa, 10 bits exponent, 1 bit sign. 22 * IBM Mainframes have 56 bits of mantissa, 7 bits of base 16 exponent, 1 bit sign. 23 * Define this constant to the smallest value from those for supported platforms. 24 * @internal 25 */ 26 static const int64_t MAX_INT64_IN_DOUBLE = 0x001FFFFFFFFFFFFFLL; 27 28 U_NAMESPACE_END 29 30 #endif // #if !UCONFIG_NO_FORMATTING 31 #endif