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Diffstat (limited to 'doc/ref/api-data.texi')
| -rw-r--r-- | doc/ref/api-data.texi | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/doc/ref/api-data.texi b/doc/ref/api-data.texi index 05b70838a..ac743ea1f 100644 --- a/doc/ref/api-data.texi +++ b/doc/ref/api-data.texi @@ -7498,10 +7498,6 @@ same type, and have corresponding elements which are either @code{equal?} (@pxref{Equality}) in that all arguments must be arrays. @end deffn -@c FIXME: array-map! accepts no source arrays at all, and in that -@c case makes calls "(proc)". Is that meant to be a documented -@c feature? -@c @c FIXME: array-for-each doesn't say what happens if the sources have @c different index ranges. The code currently iterates over the @c indices of the first and expects the others to cover those. That @@ -7509,14 +7505,15 @@ same type, and have corresponding elements which are either @c documented feature? @deffn {Scheme Procedure} array-map! dst proc src @dots{} -@deffnx {Scheme Procedure} array-map-in-order! dst proc src1 @dots{} srcN +@deffnx {Scheme Procedure} array-map-in-order! dst proc src @dots{} @deffnx {C Function} scm_array_map_x (dst, proc, srclist) -Set each element of the @var{dst} array to values obtained from calls -to @var{proc}. The value returned is unspecified. +Set each element of the @var{dst} array to values obtained from calls to +@var{proc}. The list of @var{src} arguments may be empty. The value +returned is unspecified. -Each call is @code{(@var{proc} @var{elem1} @dots{} @var{elemN})}, -where each @var{elem} is from the corresponding @var{src} array, at -the @var{dst} index. @code{array-map-in-order!} makes the calls in +Each call is @code{(@var{proc} @var{elem} @dots{})}, where each +@var{elem} is from the corresponding @var{src} array, at the +@var{dst} index. @code{array-map-in-order!} makes the calls in row-major order, @code{array-map!} makes them in an unspecified order. The @var{src} arrays must have the same number of dimensions as @@ -7568,6 +7565,21 @@ $\left(\matrix{% @end example @end deffn +An additional array function is available in the module +@code{(ice-9 arrays)}. It can be used with: + +@example +(use-modules (ice-9 arrays)) +@end example + +@deffn {Scheme Procedure} array-copy src +Return a new array with the same elements, type and shape as +@var{src}. However, the array increments may not be the same as those of +@var{src}. In the current implementation, the returned array will be in +row-major order, but that might change in the future. Use +@code{array-copy!} on an array of known order if that is a concern. +@end deffn + @node Shared Arrays @subsubsection Shared Arrays |