COHERENT manpages
This page displays the COHERENT manpage for double [Data type].
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double -- C Keyword 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 chars. If you wish your code to be portable, do not use routines that depend on a double being 64 bits long. The ranges of values that can be held by a COHERENT double are set in header file float.h. 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. COHERENT 286 uses DECVAX format; COHERENT 386 uses IEEE format. See Also C keywords, data formats, float, float.h, portability ANSI Standard, §6.1.2.5