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Diffstat (limited to 'plugins/AdvaImg/src/Metadata/FIRational.h')
| -rw-r--r-- | plugins/AdvaImg/src/Metadata/FIRational.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/plugins/AdvaImg/src/Metadata/FIRational.h b/plugins/AdvaImg/src/Metadata/FIRational.h deleted file mode 100644 index 4fe2a6305a..0000000000 --- a/plugins/AdvaImg/src/Metadata/FIRational.h +++ /dev/null @@ -1,108 +0,0 @@ -// ========================================================== -// Helper class for rational numbers -// -// Design and implementation by -// - Hervé Drolon <drolon@infonie.fr> -// -// This file is part of FreeImage 3 -// -// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY -// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES -// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE -// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED -// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT -// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY -// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL -// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER -// THIS DISCLAIMER. -// -// Use at your own risk! -// ========================================================== - -#ifndef FIRATIONAL_H -#define FIRATIONAL_H - -/** -Helper class to deal with rational numbers. -NB: LONG data type is assumed to be a signed 32-bit number. -*/ -class FIRational { -private: - /// numerator - LONG _numerator; - /// denominator - LONG _denominator; - -public: - /// Default constructor - FIRational(); - - /// Constructor with longs - FIRational(LONG n, LONG d = 1); - - /// Constructor with FITAG - FIRational(const FITAG *tag); - - /// Constructor with a float - FIRational(float value); - - /// Copy constructor - FIRational (const FIRational& r); - - /// Destructor - ~FIRational(); - - /// Assignement operator - FIRational& operator=(FIRational& r); - - /// Get the numerator - LONG getNumerator(); - - /// Get the denominator - LONG getDenominator(); - - /// Converts rational value by truncating towards zero - LONG truncate() { - // Return truncated rational - return _denominator ? (LONG) (_numerator / _denominator) : 0; - } - - /**@name Implicit conversions */ - //@{ - short shortValue() { - return (short)truncate(); - } - int intValue() { - return (int)truncate(); - } - LONG longValue() { - return (LONG)truncate(); - } - float floatValue() { - return _denominator ? ((float)_numerator)/((float)_denominator) : 0; - } - double doubleValue() { - return _denominator ? ((double)_numerator)/((double)_denominator) : 0; - } - //@} - - /// Checks if this rational number is an integer, either positive or negative - BOOL isInteger(); - - /// Convert as "numerator/denominator" - std::string toString(); - -private: - /// Initialize and normalize a rational number - void initialize(LONG n, LONG d); - - /// Calculate GCD - LONG gcd(LONG a, LONG b); - - /// Normalize numerator / denominator - void normalize(); - -}; - -#endif // FIRATIONAL_H - |