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
32