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| -rw-r--r-- | man7/system_data_types.7 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/man7/system_data_types.7 b/man7/system_data_types.7 index 92e5ab4f14..e3a3856a29 100644 --- a/man7/system_data_types.7 +++ b/man7/system_data_types.7 @@ -117,6 +117,48 @@ Conforming to: C99 and later; POSIX.1-2001 and later. .IP See also: .BR div (3) +.\"------------------------------------- double_t ---------------------/ +.TP +.I double_t +.IP +Include: +.IR <math.h> . +.IP +The implementation's most efficient floating type at least as wide as +.IR double . +Its type depends on the value of the macro +.BR FLT_EVAL_METHOD , +defined in +.IR <float.h> : +.RS +.TP +0 +.I double_t +is +.IR double . +.TP +1 +.I double_t +is +.IR double . +.TP +2 +.I double_t +is +.IR "long double" . +.IP +For other values of +.BR FLT_EVAL_METHOD , +the type of +.I double_t +is implementation-defined. +.RE +.IP +Conforming to: C99 and later; POSIX.1-2001 and later. +.IP +See also the +.I float_t +type in this page. .\"------------------------------------- fenv_t -----------------------/ .TP .I fenv_t |