1 // 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 * Copyright (C) 2015, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 * file name: digitinterval.cpp 8 */ 9 10 #include "unicode/utypes.h" 11 12 #include "digitinterval.h" 13 14 U_NAMESPACE_BEGIN 15 16 void DigitInterval::expandToContain(const DigitInterval &rhs) { 17 if (fSmallestInclusive > rhs.fSmallestInclusive) { 18 fSmallestInclusive = rhs.fSmallestInclusive; 19 } 20 if (fLargestExclusive < rhs.fLargestExclusive) { 21 fLargestExclusive = rhs.fLargestExclusive; 22 } 23 } 24 25 void DigitInterval::shrinkToFitWithin(const DigitInterval &rhs) { 26 if (fSmallestInclusive < rhs.fSmallestInclusive) { 27 fSmallestInclusive = rhs.fSmallestInclusive; 28 } 29 if (fLargestExclusive > rhs.fLargestExclusive) { 30 fLargestExclusive = rhs.fLargestExclusive; 31 } 32 } 33 34 void DigitInterval::setIntDigitCount(int32_t count) { 35 fLargestExclusive = count < 0 ? INT32_MAX : count; 36 } 37 38 void DigitInterval::setFracDigitCount(int32_t count) { 39 fSmallestInclusive = count < 0 ? INT32_MIN : -count; 40 } 41 42 void DigitInterval::expandToContainDigit(int32_t digitExponent) { 43 if (fLargestExclusive <= digitExponent) { 44 fLargestExclusive = digitExponent + 1; 45 } else if (fSmallestInclusive > digitExponent) { 46 fSmallestInclusive = digitExponent; 47 } 48 } 49 50 UBool DigitInterval::contains(int32_t x) const { 51 return (x < fLargestExclusive && x >= fSmallestInclusive); 52 } 53 54 55 U_NAMESPACE_END 56 57
