* gfortran.texi (Old-style kind specifications): Document

[pf3gnuchains/gcc-fork.git] / gcc / fortran / gfortran.texi

diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi
index 08fa011..62889bd 100644 (file)
--- a/gcc/fortran/gfortran.texi
+++ b/gcc/fortran/gfortran.texi
@@ -837,19 +837,21 @@ of extensions, and @option{-std=legacy} allows both without warning.
 @section Old-style kind specifications
 @cindex Kind specifications
 
 @section Old-style kind specifications
 @cindex Kind specifications
 

-GNU Fortran allows old-style kind specifications in
-declarations. These look like:
+GNU Fortran allows old-style kind specifications in declarations. These
+look like:

 @smallexample
 @smallexample

-      TYPESPEC*k x,y,z
+      TYPESPEC*size x,y,z

 @end smallexample
 where @code{TYPESPEC} is a basic type (@code{INTEGER}, @code{REAL},
 @end smallexample
 where @code{TYPESPEC} is a basic type (@code{INTEGER}, @code{REAL},

-etc.), and where @code{k} is a valid kind number for that type. The
-statement then declares @code{x}, @code{y} and @code{z} to be of
-type @code{TYPESPEC} with kind @code{k}. This is equivalent to the
-standard conforming declaration
+etc.), and where @code{size} is a byte count corresponding to a valid
+kind for that type. The statement then declares @code{x}, @code{y} and
+@code{z} to be of type @code{TYPESPEC} with the appropriate kind. This
+is equivalent to the standard conforming declaration

 @smallexample
       TYPESPEC(k) x,y,z
 @end smallexample
 @smallexample
       TYPESPEC(k) x,y,z
 @end smallexample

+where @code{k} is equal to @code{size} for most types, but is equal to
+@code{size/2} for the @code{COMPLEX} type.

 
 @node Old-style variable initialization
 @section Old-style variable initialization
 
 @node Old-style variable initialization
 @section Old-style variable initialization