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fix generalized-vector-{ref,set!} for slices

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* libguile/generalized-vectors.c (scm_c_generalized_vector_ref):
  (scm_c_generalized_vector_set_x): Fix for the case in which base was
  not 1, lbnd was not 0, or inc was not 1.

* test-suite/tests/arrays.test (array): Add a test.  Thanks to Daniel
  Llorens for the report.
This commit is contained in:
Andy Wingo 2011-12-22 17:03:04 -05:00
parent ba20d2629e
commit 2b414e247f
2 changed files with 23 additions and 3 deletions
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18
test-suite/tests/arrays.test
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@ -1,6 +1,6 @@
;;;; unif.test --- tests guile's uniform arrays -*- scheme -*-
;;;;
;;;; Copyright 2004, 2006, 2009, 2010 Free Software Foundation, Inc.
;;;; Copyright 2004, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@ -606,3 +606,19 @@
(lambda (i) (list i i))
'(0 2))
#(a e i))))
;;;
;;; slices as generalized vectors
;;;
(let ((array #2u32((0 1) (2 3))))
(define (array-row a i)
(make-shared-array a (lambda (j) (list i j))
(cadr (array-dimensions a))))
(with-test-prefix "generalized vector slices"
(pass-if (equal? (array-row array 1)
#u32(2 3)))
(pass-if (equal? (array-ref (array-row array 1) 0)
2))
(pass-if (equal? (generalized-vector-ref (array-row array 1) 0)
2))))