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double                      C Keyword                      double




Data type


A  double  is  the  data  type  that encodes  a  double-precision
floating-point  number.   On  most  machines,  sizeof(double)  is
defined as four machine words,  or eight cchhaarrs.  If you wish your
code to be portable, do _n_o_t  use routines that depend on a double
being 64 bits long.

Different formats are used to encode doubles on various machines.
These  formats  include  IEEE,  DECVAX,  and  BCD  (binary  coded
decimal), as described in the entry for float.

***** See Also *****

C keywords, data formats, float, portability








































COHERENT Lexicon                                           Page 1

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