89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
// © 2017 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/numberformatter.h"
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#include "number_types.h"
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using namespace icu;
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using namespace icu::number;
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using namespace icu::number::impl;
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ScientificNotation Notation::scientific() {
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// NOTE: ISO C++ does not allow C99 designated initializers.
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ScientificSettings settings;
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settings.fEngineeringInterval = 1;
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settings.fRequireMinInt = false;
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settings.fMinExponentDigits = 1;
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settings.fExponentSignDisplay = UNUM_SIGN_AUTO;
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NotationUnion union_;
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union_.scientific = settings;
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return {NTN_SCIENTIFIC, union_};
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}
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ScientificNotation Notation::engineering() {
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ScientificSettings settings;
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settings.fEngineeringInterval = 3;
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settings.fRequireMinInt = false;
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settings.fMinExponentDigits = 1;
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settings.fExponentSignDisplay = UNUM_SIGN_AUTO;
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NotationUnion union_;
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union_.scientific = settings;
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return {NTN_SCIENTIFIC, union_};
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}
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ScientificNotation::ScientificNotation(int8_t fEngineeringInterval, bool fRequireMinInt,
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impl::digits_t fMinExponentDigits,
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UNumberSignDisplay fExponentSignDisplay) {
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ScientificSettings settings;
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settings.fEngineeringInterval = fEngineeringInterval;
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settings.fRequireMinInt = fRequireMinInt;
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settings.fMinExponentDigits = fMinExponentDigits;
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settings.fExponentSignDisplay = fExponentSignDisplay;
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NotationUnion union_;
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union_.scientific = settings;
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*this = {NTN_SCIENTIFIC, union_};
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}
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Notation Notation::compactShort() {
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NotationUnion union_;
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union_.compactStyle = CompactStyle::UNUM_SHORT;
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return {NTN_COMPACT, union_};
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}
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Notation Notation::compactLong() {
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NotationUnion union_;
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union_.compactStyle = CompactStyle::UNUM_LONG;
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return {NTN_COMPACT, union_};
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}
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Notation Notation::simple() {
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return {};
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}
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ScientificNotation
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ScientificNotation::withMinExponentDigits(int32_t minExponentDigits) const {
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if (minExponentDigits >= 1 && minExponentDigits <= kMaxIntFracSig) {
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ScientificSettings settings = fUnion.scientific;
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settings.fMinExponentDigits = static_cast<digits_t>(minExponentDigits);
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NotationUnion union_ = {settings};
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return {NTN_SCIENTIFIC, union_};
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} else {
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return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR};
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}
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}
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ScientificNotation
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ScientificNotation::withExponentSignDisplay(UNumberSignDisplay exponentSignDisplay) const {
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ScientificSettings settings = fUnion.scientific;
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settings.fExponentSignDisplay = exponentSignDisplay;
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NotationUnion union_ = {settings};
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return {NTN_SCIENTIFIC, union_};
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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