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-rw-r--r--JavaScriptCore/wtf/DecimalNumber.h108
1 files changed, 0 insertions, 108 deletions
diff --git a/JavaScriptCore/wtf/DecimalNumber.h b/JavaScriptCore/wtf/DecimalNumber.h
deleted file mode 100644
index c42f00b..0000000
--- a/JavaScriptCore/wtf/DecimalNumber.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2010 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef DecimalNumber_h
-#define DecimalNumber_h
-
-#include <math.h>
-#include <wtf/dtoa.h>
-#include <wtf/MathExtras.h>
-#include <wtf/text/WTFString.h>
-
-namespace WTF {
-
-enum RoundingSignificantFiguresType { RoundingSignificantFigures };
-enum RoundingDecimalPlacesType { RoundingDecimalPlaces };
-
-class DecimalNumber {
-public:
- DecimalNumber(double d)
- {
- ASSERT(!isnan(d) && !isinf(d));
- dtoa(m_significand, d, m_sign, m_exponent, m_precision);
-
- ASSERT(m_precision);
- // Zero should always have exponent 0.
- ASSERT(m_significand[0] != '0' || !m_exponent);
- // No values other than zero should have a leading zero.
- ASSERT(m_significand[0] != '0' || m_precision == 1);
- // No values other than zero should have trailing zeros.
- ASSERT(m_significand[0] == '0' || m_significand[m_precision - 1] != '0');
- }
-
- DecimalNumber(double d, RoundingSignificantFiguresType, unsigned significantFigures)
- {
- ASSERT(!isnan(d) && !isinf(d));
- dtoaRoundSF(m_significand, d, significantFigures, m_sign, m_exponent, m_precision);
-
- ASSERT(significantFigures && significantFigures <= sizeof(DtoaBuffer));
- while (m_precision < significantFigures)
- m_significand[m_precision++] = '0';
-
- ASSERT(m_precision);
- // Zero should always have exponent 0.
- ASSERT(m_significand[0] != '0' || !m_exponent);
- }
-
- DecimalNumber(double d, RoundingDecimalPlacesType, unsigned decimalPlaces)
- {
- ASSERT(!isnan(d) && !isinf(d));
- dtoaRoundDP(m_significand, d, decimalPlaces, m_sign, m_exponent, m_precision);
-
- unsigned significantFigures = 1 + m_exponent + decimalPlaces;
- ASSERT(significantFigures && significantFigures <= sizeof(DtoaBuffer));
- while (m_precision < significantFigures)
- m_significand[m_precision++] = '0';
-
- ASSERT(m_precision);
- // Zero should always have exponent 0.
- ASSERT(m_significand[0] != '0' || !m_exponent);
- }
-
- unsigned bufferLengthForStringDecimal() const;
- unsigned bufferLengthForStringExponential() const;
-
- unsigned toStringDecimal(UChar* buffer, unsigned bufferLength) const;
- unsigned toStringExponential(UChar* buffer, unsigned bufferLength) const;
-
- bool sign() const { return m_sign; }
- int exponent() const { return m_exponent; }
- const char* significand() const { return m_significand; } // significand contains precision characters, is not null-terminated.
- unsigned precision() const { return m_precision; }
-
-private:
- bool m_sign;
- int m_exponent;
- DtoaBuffer m_significand;
- unsigned m_precision;
-};
-
-} // namespace WTF
-
-using WTF::DecimalNumber;
-using WTF::RoundingSignificantFigures;
-using WTF::RoundingDecimalPlaces;
-
-#endif // DecimalNumber_h