21 lines
380 B
C
21 lines
380 B
C
typedef struct {
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CELL numerator;
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CELL denominator;
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} RATIO;
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INLINE RATIO* untag_ratio(CELL tagged)
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{
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type_check(RATIO_TYPE,tagged);
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return (RATIO*)UNTAG(tagged);
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}
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INLINE CELL tag_ratio(RATIO* ratio)
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{
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return RETAG(ratio,RATIO_TYPE);
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}
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void primitive_numerator(void);
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void primitive_denominator(void);
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void primitive_from_fraction(void);
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void primitive_to_fraction(void);
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