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Viewing changes to drizzled/decimal.h

  • Committer: Brian Aker
  • Date: 2010-10-24 01:34:39 UTC
  • mto: This revision was merged to the branch mainline in revision 1875.
  • Revision ID: brian@tangent.org-20101024013439-w9r8qtmt5ihnqtkd
Encapsulate table_name from table_list.

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Lines of Context:
drizzled/decimal.h
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int decimal_is_zero(const decimal_t *from);
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void max_decimal(int precision, int frac, decimal_t *to);
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inline int string2decimal(char *from, decimal_t *to, char **end)
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{
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  return internal_str2dec(from, to, end, false);
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}
 
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#define string2decimal(A,B,C) internal_str2dec((A), (B), (C), 0)
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/* set a decimal_t to zero */
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inline void decimal_make_zero(decimal_t *dec)
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{                                                           
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  dec->buf[0]=0;
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  dec->intg=1;
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  dec->frac=0;
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  dec->sign=0; 
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}
 
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#define decimal_make_zero(dec)        do {                \
 
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                                        (dec)->buf[0]=0;    \
 
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                                        (dec)->intg=1;      \
 
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                                        (dec)->frac=0;      \
 
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                                        (dec)->sign=0;      \
 
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                                      } while(0)
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/*
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  returns the length of the buffer to hold string representation
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  of the decimal (including decimal dot, possible sign and \0)
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*/
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inline int decimal_string_size(const decimal_t *dec)
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{
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  return (dec->intg ? dec->intg : 1) + dec->frac + (dec->frac > 0) + 2;
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}
 
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#define decimal_string_size(dec) (((dec)->intg ? (dec)->intg : 1) + \
 
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                                  (dec)->frac + ((dec)->frac > 0) + 2)
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/* negate a decimal */
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inline void decimal_neg(decimal_t *dec)
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{
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  dec->sign^=1;
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}
 
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#define decimal_neg(dec) do { (dec)->sign^=1; } while(0)
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/*
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  conventions: