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+;;;; arrays.test --- tests guile's uniform arrays -*- scheme -*-
+;;;;
+;;;; Copyright 2004, 2006, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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
+;;;; License as published by the Free Software Foundation; either
+;;;; version 3 of the License, or (at your option) any later version.
+;;;;
+;;;; This library is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;;; Lesser General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU Lesser General Public
+;;;; License along with this library; if not, write to the Free Software
+;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+(define-module (test-suite test-arrays)
+ #:use-module ((system base compile) #:select (compile))
+ #:use-module (test-suite lib)
+ #:use-module (srfi srfi-4)
+ #:use-module (srfi srfi-4 gnu))
+
+(define (array-row a i)
+ (make-shared-array a (lambda (j) (list i j))
+ (cadr (array-dimensions a))))
+
+(define (array-col a j)
+ (make-shared-array a (lambda (i) (list i j))
+ (car (array-dimensions a))))
+
+(define exception:wrong-num-indices
+ (cons 'misc-error "^wrong number of indices.*"))
+
+(define exception:length-non-negative
+ (cons 'read-error ".*array length must be non-negative.*"))
+
+(define exception:wrong-type-arg
+ (cons #t "Wrong type"))
+
+(define exception:mapping-out-of-range
+ (cons 'misc-error "^mapping out of range")) ;; per scm_make_shared_array
+
+;;;
+;;; array?
+;;;
+
+(with-test-prefix "array?"
+
+ (let ((bool (make-typed-array 'b #t '(5 6)))
+ (char (make-typed-array 'a #\a '(5 6)))
+ (byte (make-typed-array 'u8 0 '(5 6)))
+ (short (make-typed-array 's16 0 '(5 6)))
+ (ulong (make-typed-array 'u32 0 '(5 6)))
+ (long (make-typed-array 's32 0 '(5 6)))
+ (longlong (make-typed-array 's64 0 '(5 6)))
+ (float (make-typed-array 'f32 0 '(5 6)))
+ (double (make-typed-array 'f64 0 '(5 6)))
+ (complex (make-typed-array 'c64 0 '(5 6)))
+ (scm (make-typed-array #t 0 '(5 6))))
+
+ (with-test-prefix "is bool"
+ (pass-if (eq? #t (typed-array? bool 'b)))
+ (pass-if (eq? #f (typed-array? char 'b)))
+ (pass-if (eq? #f (typed-array? byte 'b)))
+ (pass-if (eq? #f (typed-array? short 'b)))
+ (pass-if (eq? #f (typed-array? ulong 'b)))
+ (pass-if (eq? #f (typed-array? long 'b)))
+ (pass-if (eq? #f (typed-array? longlong 'b)))
+ (pass-if (eq? #f (typed-array? float 'b)))
+ (pass-if (eq? #f (typed-array? double 'b)))
+ (pass-if (eq? #f (typed-array? complex 'b)))
+ (pass-if (eq? #f (typed-array? scm 'b))))
+
+ (with-test-prefix "is char"
+ (pass-if (eq? #f (typed-array? bool 'a)))
+ (pass-if (eq? #t (typed-array? char 'a)))
+ (pass-if (eq? #f (typed-array? byte 'a)))
+ (pass-if (eq? #f (typed-array? short 'a)))
+ (pass-if (eq? #f (typed-array? ulong 'a)))
+ (pass-if (eq? #f (typed-array? long 'a)))
+ (pass-if (eq? #f (typed-array? longlong 'a)))
+ (pass-if (eq? #f (typed-array? float 'a)))
+ (pass-if (eq? #f (typed-array? double 'a)))
+ (pass-if (eq? #f (typed-array? complex 'a)))
+ (pass-if (eq? #f (typed-array? scm 'a))))
+
+ (with-test-prefix "is byte"
+ (pass-if (eq? #f (typed-array? bool 'u8)))
+ (pass-if (eq? #f (typed-array? char 'u8)))
+ (pass-if (eq? #t (typed-array? byte 'u8)))
+ (pass-if (eq? #f (typed-array? short 'u8)))
+ (pass-if (eq? #f (typed-array? ulong 'u8)))
+ (pass-if (eq? #f (typed-array? long 'u8)))
+ (pass-if (eq? #f (typed-array? longlong 'u8)))
+ (pass-if (eq? #f (typed-array? float 'u8)))
+ (pass-if (eq? #f (typed-array? double 'u8)))
+ (pass-if (eq? #f (typed-array? complex 'u8)))
+ (pass-if (eq? #f (typed-array? scm 'u8))))
+
+ (with-test-prefix "is short"
+ (pass-if (eq? #f (typed-array? bool 's16)))
+ (pass-if (eq? #f (typed-array? char 's16)))
+ (pass-if (eq? #f (typed-array? byte 's16)))
+ (pass-if (eq? #t (typed-array? short 's16)))
+ (pass-if (eq? #f (typed-array? ulong 's16)))
+ (pass-if (eq? #f (typed-array? long 's16)))
+ (pass-if (eq? #f (typed-array? longlong 's16)))
+ (pass-if (eq? #f (typed-array? float 's16)))
+ (pass-if (eq? #f (typed-array? double 's16)))
+ (pass-if (eq? #f (typed-array? complex 's16)))
+ (pass-if (eq? #f (typed-array? scm 's16))))
+
+ (with-test-prefix "is ulong"
+ (pass-if (eq? #f (typed-array? bool 'u32)))
+ (pass-if (eq? #f (typed-array? char 'u32)))
+ (pass-if (eq? #f (typed-array? byte 'u32)))
+ (pass-if (eq? #f (typed-array? short 'u32)))
+ (pass-if (eq? #t (typed-array? ulong 'u32)))
+ (pass-if (eq? #f (typed-array? long 'u32)))
+ (pass-if (eq? #f (typed-array? longlong 'u32)))
+ (pass-if (eq? #f (typed-array? float 'u32)))
+ (pass-if (eq? #f (typed-array? double 'u32)))
+ (pass-if (eq? #f (typed-array? complex 'u32)))
+ (pass-if (eq? #f (typed-array? scm 'u32))))
+
+ (with-test-prefix "is long"
+ (pass-if (eq? #f (typed-array? bool 's32)))
+ (pass-if (eq? #f (typed-array? char 's32)))
+ (pass-if (eq? #f (typed-array? byte 's32)))
+ (pass-if (eq? #f (typed-array? short 's32)))
+ (pass-if (eq? #f (typed-array? ulong 's32)))
+ (pass-if (eq? #t (typed-array? long 's32)))
+ (pass-if (eq? #f (typed-array? longlong 's32)))
+ (pass-if (eq? #f (typed-array? float 's32)))
+ (pass-if (eq? #f (typed-array? double 's32)))
+ (pass-if (eq? #f (typed-array? complex 's32)))
+ (pass-if (eq? #f (typed-array? scm 's32))))
+
+ (with-test-prefix "is long long"
+ (pass-if (eq? #f (typed-array? bool 's64)))
+ (pass-if (eq? #f (typed-array? char 's64)))
+ (pass-if (eq? #f (typed-array? byte 's64)))
+ (pass-if (eq? #f (typed-array? short 's64)))
+ (pass-if (eq? #f (typed-array? ulong 's64)))
+ (pass-if (eq? #f (typed-array? long 's64)))
+ (pass-if (eq? #t (typed-array? longlong 's64)))
+ (pass-if (eq? #f (typed-array? float 's64)))
+ (pass-if (eq? #f (typed-array? double 's64)))
+ (pass-if (eq? #f (typed-array? complex 's64)))
+ (pass-if (eq? #f (typed-array? scm 's64))))
+
+ (with-test-prefix "is float"
+ (pass-if (eq? #f (typed-array? bool 'f32)))
+ (pass-if (eq? #f (typed-array? char 'f32)))
+ (pass-if (eq? #f (typed-array? byte 'f32)))
+ (pass-if (eq? #f (typed-array? short 'f32)))
+ (pass-if (eq? #f (typed-array? ulong 'f32)))
+ (pass-if (eq? #f (typed-array? long 'f32)))
+ (pass-if (eq? #f (typed-array? longlong 'f32)))
+ (pass-if (eq? #t (typed-array? float 'f32)))
+ (pass-if (eq? #f (typed-array? double 'f32)))
+ (pass-if (eq? #f (typed-array? complex 'f32)))
+ (pass-if (eq? #f (typed-array? scm 'f32))))
+
+ (with-test-prefix "is double"
+ (pass-if (eq? #f (typed-array? bool 'f64)))
+ (pass-if (eq? #f (typed-array? char 'f64)))
+ (pass-if (eq? #f (typed-array? byte 'f64)))
+ (pass-if (eq? #f (typed-array? short 'f64)))
+ (pass-if (eq? #f (typed-array? ulong 'f64)))
+ (pass-if (eq? #f (typed-array? long 'f64)))
+ (pass-if (eq? #f (typed-array? longlong 'f64)))
+ (pass-if (eq? #f (typed-array? float 'f64)))
+ (pass-if (eq? #t (typed-array? double 'f64)))
+ (pass-if (eq? #f (typed-array? complex 'f64)))
+ (pass-if (eq? #f (typed-array? scm 'f64))))
+
+ (with-test-prefix "is complex"
+ (pass-if (eq? #f (typed-array? bool 'c64)))
+ (pass-if (eq? #f (typed-array? char 'c64)))
+ (pass-if (eq? #f (typed-array? byte 'c64)))
+ (pass-if (eq? #f (typed-array? short 'c64)))
+ (pass-if (eq? #f (typed-array? ulong 'c64)))
+ (pass-if (eq? #f (typed-array? long 'c64)))
+ (pass-if (eq? #f (typed-array? longlong 'c64)))
+ (pass-if (eq? #f (typed-array? float 'c64)))
+ (pass-if (eq? #f (typed-array? double 'c64)))
+ (pass-if (eq? #t (typed-array? complex 'c64)))
+ (pass-if (eq? #f (typed-array? scm 'c64))))
+
+ (with-test-prefix "is scm"
+ (pass-if (eq? #f (typed-array? bool #t)))
+ (pass-if (eq? #f (typed-array? char #t)))
+ (pass-if (eq? #f (typed-array? byte #t)))
+ (pass-if (eq? #f (typed-array? short #t)))
+ (pass-if (eq? #f (typed-array? ulong #t)))
+ (pass-if (eq? #f (typed-array? long #t)))
+ (pass-if (eq? #f (typed-array? longlong #t)))
+ (pass-if (eq? #f (typed-array? float #t)))
+ (pass-if (eq? #f (typed-array? double #t)))
+ (pass-if (eq? #f (typed-array? complex #t)))
+ (pass-if (eq? #t (typed-array? scm #t))))
+
+ (with-test-prefix "typed-array? returns #f"
+ (pass-if (eq? #f (typed-array? '(1 2 3) 'c64)))
+ (pass-if (eq? #f (typed-array? '(1 2 3) #t)))
+ (pass-if (eq? #f (typed-array? 99 'c64)))
+ (pass-if (eq? #f (typed-array? 99 #t))))))
+
+;;;
+;;; array-equal?
+;;;
+
+(with-test-prefix/c&e "array-equal?"
+
+ (pass-if "#s16(...)"
+ (array-equal? #s16(1 2 3) #s16(1 2 3)))
+
+ (pass-if "#0f64(...)"
+ (array-equal? #0f64(99) (make-typed-array 'f64 99)))
+
+ (pass-if "#0(...)"
+ (array-equal? #0(99) (make-array 99))))
+
+;;;
+;;; make-shared-array
+;;;
+
+(with-test-prefix/c&e "make-shared-array"
+
+ ;; this failed in guile 1.8.0
+ (pass-if "vector unchanged"
+ (let* ((a (make-array #f '(0 7)))
+ (s (make-shared-array a list '(0 7))))
+ (array-equal? a s)))
+
+ (pass-if-exception "vector, high too big" exception:mapping-out-of-range
+ (let* ((a (make-array #f '(0 7))))
+ (make-shared-array a list '(0 8))))
+
+ (pass-if-exception "vector, low too big" exception:out-of-range
+ (let* ((a (make-array #f '(0 7))))
+ (make-shared-array a list '(-1 7))))
+
+ (pass-if "truncate columns"
+ (array-equal? (make-shared-array #2((a b c) (d e f) (g h i)) list 3 2)
+ #2((a b) (d e) (g h))))
+
+ (pass-if "pick one column"
+ (array-equal? (make-shared-array #2((a b c) (d e f) (g h i))
+ (lambda (i) (list i 2))
+ '(0 2))
+ #(c f i)))
+
+ (pass-if "diagonal"
+ (array-equal? (make-shared-array #2((a b c) (d e f) (g h i))
+ (lambda (i) (list i i))
+ '(0 2))
+ #(a e i)))
+
+ ;; this failed in guile 1.8.0
+ (pass-if "2 dims from 1 dim"
+ (array-equal? (make-shared-array #1(a b c d e f g h i j k l)
+ (lambda (i j) (list (+ (* i 3) j)))
+ 4 3)
+ #2((a b c) (d e f) (g h i) (j k l))))
+
+ (pass-if "reverse columns"
+ (array-equal? (make-shared-array #2((a b c) (d e f) (g h i))
+ (lambda (i j) (list i (- 2 j)))
+ 3 3)
+ #2((c b a) (f e d) (i h g))))
+
+ (pass-if "fixed offset, 0 based becomes 1 based"
+ (let* ((x #2((a b c) (d e f) (g h i)))
+ (y (make-shared-array x
+ (lambda (i j) (list (1- i) (1- j)))
+ '(1 3) '(1 3))))
+ (and (eq? (array-ref x 0 0) 'a)
+ (eq? (array-ref y 1 1) 'a))))
+
+ ;; this failed in guile 1.8.0
+ (pass-if "stride every third element"
+ (array-equal? (make-shared-array #1(a b c d e f g h i j k l)
+ (lambda (i) (list (* i 3)))
+ 4)
+ #1(a d g j)))
+
+ (pass-if "shared of shared"
+ (let* ((a #2((1 2 3) (4 5 6) (7 8 9)))
+ (s1 (make-shared-array a (lambda (i) (list i 1)) 3))
+ (s2 (make-shared-array s1 list '(1 2))))
+ (and (eqv? 5 (array-ref s2 1))
+ (eqv? 8 (array-ref s2 2))))))
+
+
+;;;
+;;; array-slice
+;;;
+
+(with-test-prefix/c&e "array-slice"
+
+ (pass-if "vector I"
+ (let ((v (vector 1 2 3)))
+ (array-fill! (array-slice v 1) 'a)
+ (array-equal? v #(1 a 3))))
+
+ (pass-if "vector II"
+ (let ((v (vector 1 2 3)))
+ (array-copy! #(a b c) (array-slice v))
+ (array-equal? v #(a b c))))
+
+ (pass-if "array I"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (array-fill! (array-slice a 1 1) 'a)
+ (array-equal? a #2((1 2 3) (4 a 6)))))
+
+ (pass-if "array II"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (array-copy! #(a b c) (array-slice a 1))
+ (array-equal? a #2((1 2 3) (a b c)))))
+
+ (pass-if "array III"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (array-copy! #2((a b c) (x y z)) (array-slice a))
+ (array-equal? a #2((a b c) (x y z)))))
+
+ (pass-if "rank 0 array"
+ (let ((a (make-array 77)))
+ (array-fill! (array-slice a) 'a)
+ (array-equal? a #0(a)))))
+
+
+;;;
+;;; array-cell-ref
+;;;
+
+(with-test-prefix/c&e "array-cell-ref"
+
+ (pass-if "vector I"
+ (let ((v (vector 1 2 3)))
+ (equal? 2 (array-cell-ref v 1))))
+
+ (pass-if "vector II"
+ (let ((v (vector 1 2 3)))
+ (array-copy! #(a b c) (array-cell-ref v))
+ (array-equal? v #(a b c))))
+
+ (pass-if "array I"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (equal? 5 (array-cell-ref a 1 1))))
+
+ (pass-if "array II"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (array-copy! #(a b c) (array-cell-ref a 1))
+ (array-equal? a #2((1 2 3) (a b c)))))
+
+ (pass-if "array III"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (array-copy! #2((a b c) (x y z)) (array-cell-ref a))
+ (array-equal? a #2((a b c) (x y z)))))
+
+ (pass-if "rank 0 array"
+ (let ((a (make-array 77)))
+ (equal? (array-cell-ref a) 77))))
+
+
+;;;
+;;; array-cell-set!
+;;;
+
+(with-test-prefix/c&e "array-cell-set!"
+
+ (pass-if "vector I"
+ (let ((v (vector 1 2 3)))
+ (and (eq? v (array-cell-set! v 'x 1))
+ (array-equal? v #(1 x 3)))))
+
+ (pass-if "vector II"
+ (let ((v (vector 1 2 3)))
+ (and (eq? v (array-cell-set! (array-cell-ref v) #(a b c)))
+ (array-equal? v #(a b c)))))
+
+ (pass-if "array I"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (and (eq? a (array-cell-set! a 'x 1 1))
+ (array-equal? a #2((1 2 3) (4 x 6))))))
+
+ (pass-if "array II"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (and (eq? a (array-cell-set! a #(a b c) 1))
+ (array-equal? a #2((1 2 3) (a b c))))))
+
+ (pass-if "array III"
+ (let ((a (list->array 2 '((1 2 3) (4 5 6)))))
+ (and (eq? a (array-cell-set! a #2((a b c) (x y z))))
+ (array-equal? a #2((a b c) (x y z))))))
+
+ (pass-if "rank 0 array"
+ (let ((a (make-array 77)))
+ (and (eq? a (array-cell-set! a 99))
+ (array-equal? a #0(99))))))
+
+
+;;;
+;;; array-contents
+;;;
+
+(define (every-two x) (make-shared-array x (lambda (i) (list (* i 2))) 2))
+
+(with-test-prefix/c&e "array-contents"
+
+ (pass-if "0-rank array"
+ (let ((a (make-vector 1 77)))
+ (and
+ (eq? a (array-contents (make-shared-array a (const '(0)))))
+ (eq? a (array-contents (make-shared-array a (const '(0))) #t)))))
+
+ (pass-if "simple vector"
+ (let* ((a (make-array 0 4)))
+ (eq? a (array-contents a))))
+
+ (pass-if "offset vector"
+ (let* ((a (make-array 0 '(1 4))))
+ (array-copy! #(1 2 3 4) (array-contents a))
+ (array-equal? #1@1(1 2 3 4) a)))
+
+ (pass-if "offset vector, strict"
+ (let* ((a (make-array 0 '(1 4))))
+ (array-copy! #(1 2 3 4) (array-contents a #t))
+ (array-equal? #1@1(1 2 3 4) a)))
+
+ (pass-if "stepped vector"
+ (let* ((a (make-array 0 4)))
+ (array-copy! #(99 66) (array-contents (every-two a)))
+ (array-equal? #(99 0 66 0) a)))
+
+ ;; this failed in 2.0.9.
+ (pass-if "stepped vector, strict"
+ (let* ((a (make-array 0 4)))
+ (not (array-contents (every-two a) #t))))
+
+ (pass-if "plain rank 2 array"
+ (let* ((a (make-array 0 2 2)))
+ (array-copy! #(1 2 3 4) (array-contents a #t))
+ (array-equal? #2((1 2) (3 4)) a)))
+
+ (pass-if "offset rank 2 array"
+ (let* ((a (make-array 0 '(1 2) '(1 2))))
+ (array-copy! #(1 2 3 4) (array-contents a #t))
+ (array-equal? #2@1@1((1 2) (3 4)) a)))
+
+ (pass-if "transposed rank 2 array"
+ (let* ((a (make-array 0 4 4)))
+ (not (array-contents (transpose-array a 1 0) #t))))
+
+ ;; This is a consequence of (array-contents? a #t) => #t.
+ (pass-if "empty array"
+ (let ((a (make-typed-array 'f64 2 0 0)))
+ (f64vector? (array-contents a))))
+
+ (pass-if "broadcast vector I"
+ (let* ((a (make-array 0 4))
+ (b (make-shared-array a (lambda (i j k) (list k)) 1 1 4)))
+ (array-copy! #(1 2 3 4) (array-contents b #t))
+ (array-equal? #(1 2 3 4) a)))
+
+ (pass-if "broadcast vector II"
+ (let* ((a (make-array 0 4))
+ (b (make-shared-array a (lambda (i j k) (list k)) 2 1 4)))
+ (not (array-contents b))))
+
+ ;; FIXME maybe this should be allowed.
+ ;; (pass-if "broadcast vector -> empty"
+ ;; (let* ((a (make-array 0 4))
+ ;; (b (make-shared-array a (lambda (i j k) (list k)) 0 1 4)))
+ ;; (if #f #f)))
+
+ (pass-if "broadcast 2-rank I"
+ (let* ((a #2((1 2 3) (4 5 6)))
+ (b (make-shared-array a (lambda (i j) (list 0 j)) 2 3)))
+ (not (array-contents b))))
+
+ (pass-if "broadcast 2-rank II"
+ (let* ((a #2((1 2 3) (4 5 6)))
+ (b (make-shared-array a (lambda (i j) (list i 0)) 2 3)))
+ (not (array-contents b))))
+
+ (pass-if "literal array"
+ (not (not (array-contents #2((1 2 3) (4 5 6)))))))
+
+
+;;;
+;;; shared-array-root
+;;;
+
+(define amap1 (lambda (i) (list (* 2 i))))
+(define amap2 (lambda (i j) (list (+ 1 (* 2 i)) (+ 1 (* 2 j)))))
+
+(with-test-prefix/c&e "shared-array-root"
+
+ (pass-if "plain vector"
+ (let* ((a (make-vector 4 0))
+ (b (make-shared-array a amap1 2)))
+ (eq? (shared-array-root a) (shared-array-root b) (array-contents a))))
+
+ (pass-if "plain array rank 2"
+ (let* ((a (make-array 0 4 4))
+ (b (make-shared-array a amap2 2 2)))
+ (eq? (shared-array-root a) (shared-array-root b) (array-contents a))))
+
+ (pass-if "uniform array rank 2"
+ (let* ((a (make-typed-array 'c64 0 4 4))
+ (b (make-shared-array a amap2 2 2)))
+ (eq? (shared-array-root a) (shared-array-root b) (array-contents a))))
+
+ (pass-if "bit array rank 2"
+ (let* ((a (make-typed-array 'b #f 4 4))
+ (b (make-shared-array a amap2 2 2)))
+ (eq? (shared-array-root a) (shared-array-root b) (array-contents a)))))
+
+;;;
+;;; shared-array-offset
+;;;
+
+(with-test-prefix/c&e "shared-array-offset"
+
+ (pass-if "plain vector"
+ (zero? (shared-array-offset (make-vector 4 0))))
+
+ (pass-if "plain array rank 2"
+ (zero? (shared-array-offset (make-array 0 4 4))))
+
+ (pass-if "row of rank-2 array, I"
+ (= 0 (shared-array-offset (array-row (make-array 0 5 3) 0))))
+
+ (pass-if "row of rank-2 array, II"
+ (= 4 (shared-array-offset (array-row (make-array 0 6 4) 1))))
+
+ (pass-if "col of rank-2 array, I"
+ (= 0 (shared-array-offset (array-col (make-array 0 5 3) 0))))
+
+ (pass-if "col of rank-2 array, II"
+ (= 1 (shared-array-offset (array-col (make-array 0 6 4) 1)))))
+
+
+;;;
+;;; shared-array-increments
+;;;
+
+(with-test-prefix "shared-array-increments"
+
+ (pass-if "plain vector"
+ (equal? '(1) (shared-array-increments (make-vector 4 0))))
+
+ (pass-if "plain array rank 2"
+ (equal? '(4 1) (shared-array-increments (make-array 0 3 4))))
+
+ (pass-if "plain array rank 3"
+ (equal? '(20 5 1) (shared-array-increments (make-array 0 3 4 5))))
+
+ (pass-if "row of rank-2 array"
+ (equal? '(1) (shared-array-increments (array-row (make-array 0 5 3) 0))))
+
+ (pass-if "col of rank-2 array"
+ (equal? '(3) (shared-array-increments (array-col (make-array 0 5 3) 0)))))
+
+
+;;;
+;;; transpose-array
+;;;
+
+; see strings.test.
+(with-test-prefix/c&e "transpose-array"
+
+ (pass-if-exception "non array argument" exception:wrong-type-arg
+ (transpose-array 99))
+
+ (pass-if "rank 0"
+ (let* ((a #0(99))
+ (b (transpose-array a)))
+ (and (array-equal? a b)
+ (eq? (shared-array-root a) (shared-array-root b)))))
+
+ (pass-if "rank 1"
+ (let* ((a #(1 2 3))
+ (b (transpose-array a 0)))
+ (and (array-equal? a b)
+ (eq? (shared-array-root a) (shared-array-root b)))))
+
+ (pass-if "rank 2"
+ (let* ((a #2((1 2 3) (4 5 6)))
+ (b (transpose-array a 1 0))
+ (c (transpose-array a 0 1)))
+ (and (array-equal? b #2((1 4) (2 5) (3 6)))
+ (array-equal? c a)
+ (eq? (shared-array-root a)
+ (shared-array-root b)
+ (shared-array-root c)))))
+
+ ; rank > 2 is needed to check against the inverted axis index logic.
+ (pass-if "rank 3"
+ (let* ((a #3(((0 1 2 3) (4 5 6 7) (8 9 10 11))
+ ((12 13 14 15) (16 17 18 19) (20 21 22 23))))
+ (b (transpose-array a 1 2 0)))
+ (and (array-equal? b #3(((0 4 8) (12 16 20)) ((1 5 9) (13 17 21))
+ ((2 6 10) (14 18 22)) ((3 7 11) (15 19 23))))
+ (eq? (shared-array-root a)
+ (shared-array-root b))))))
+
+;;;
+;;; array->list
+;;;
+
+(with-test-prefix/c&e "array->list"
+ (pass-if-equal "uniform vector" '(1 2 3) (array->list #s16(1 2 3)))
+ (pass-if-equal "vector" '(1 2 3) (array->list #(1 2 3)))
+ (pass-if-equal "rank 2 array" '((1 2) (3 4) (5 6)) (array->list #2((1 2) (3 4) (5 6))))
+ (pass-if-equal "empty vector" '() (array->list #()))
+
+ (pass-if-equal "http://bugs.gnu.org/12465 - ok"
+ '(3 4)
+ (let* ((a #2((1 2) (3 4)))
+ (b (make-shared-array a (lambda (j) (list 1 j)) 2)))
+ (array->list b)))
+ (pass-if-equal "http://bugs.gnu.org/12465 - bad"
+ '(2 4)
+ (let* ((a #2((1 2) (3 4)))
+ (b (make-shared-array a (lambda (i) (list i 1)) 2)))
+ (array->list b))))
+
+;;;
+;;; array-fill!
+;;;
+
+(with-test-prefix "array-fill!"
+
+ (with-test-prefix "bool"
+ (let ((a (make-bitvector 1 #t)))
+ (pass-if "#f" (array-fill! a #f) #t)
+ (pass-if "#t" (array-fill! a #t) #t)))
+
+ (with-test-prefix "char"
+ (let ((a (make-string 1 #\a)))
+ (pass-if "x" (array-fill! a #\x) #t)))
+
+ (with-test-prefix "byte"
+ (let ((a (make-s8vector 1 0)))
+ (pass-if "0" (array-fill! a 0) #t)
+ (pass-if "127" (array-fill! a 127) #t)
+ (pass-if "-128" (array-fill! a -128) #t)
+ (pass-if-exception "128" exception:out-of-range
+ (array-fill! a 128))
+ (pass-if-exception "-129" exception:out-of-range
+ (array-fill! a -129))
+ (pass-if-exception "symbol" exception:wrong-type-arg
+ (array-fill! a 'symbol))))
+
+ (with-test-prefix "short"
+ (let ((a (make-s16vector 1 0)))
+ (pass-if "0" (array-fill! a 0) #t)
+ (pass-if "123" (array-fill! a 123) #t)
+ (pass-if "-123" (array-fill! a -123) #t)))
+
+ (with-test-prefix "ulong"
+ (let ((a (make-u32vector 1 1)))
+ (pass-if "0" (array-fill! a 0) #t)
+ (pass-if "123" (array-fill! a 123) #t)
+ (pass-if-exception "-123" exception:out-of-range
+ (array-fill! a -123) #t)))
+
+ (with-test-prefix "long"
+ (let ((a (make-s32vector 1 -1)))
+ (pass-if "0" (array-fill! a 0) #t)
+ (pass-if "123" (array-fill! a 123) #t)
+ (pass-if "-123" (array-fill! a -123) #t)))
+
+ (with-test-prefix "float"
+ (let ((a (make-f32vector 1 1.0)))
+ (pass-if "0.0" (array-fill! a 0) #t)
+ (pass-if "123.0" (array-fill! a 123.0) #t)
+ (pass-if "-123.0" (array-fill! a -123.0) #t)
+ (pass-if "0" (array-fill! a 0) #t)
+ (pass-if "123" (array-fill! a 123) #t)
+ (pass-if "-123" (array-fill! a -123) #t)
+ (pass-if "5/8" (array-fill! a 5/8) #t)))
+
+ (with-test-prefix "double"
+ (let ((a (make-f64vector 1 1/3)))
+ (pass-if "0.0" (array-fill! a 0) #t)
+ (pass-if "123.0" (array-fill! a 123.0) #t)
+ (pass-if "-123.0" (array-fill! a -123.0) #t)
+ (pass-if "0" (array-fill! a 0) #t)
+ (pass-if "123" (array-fill! a 123) #t)
+ (pass-if "-123" (array-fill! a -123) #t)
+ (pass-if "5/8" (array-fill! a 5/8) #t)))
+
+ (with-test-prefix "noncompact"
+ (let* ((a (make-array 0 3 3))
+ (b (make-shared-array a (lambda (i) (list i i)) 3)))
+ (array-fill! b 9)
+ (pass-if
+ (and (equal? b #(9 9 9))
+ (equal? a #2((9 0 0) (0 9 0) (0 0 9))))))))
+
+;;;
+;;; array-in-bounds?
+;;;
+
+(with-test-prefix "array-in-bounds?"
+
+ (pass-if (let ((a (make-array #f '(425 425))))
+ (eq? #f (array-in-bounds? a 0)))))
+
+;;;
+;;; array-prototype
+;;;
+
+(with-test-prefix "array-type"
+
+ (with-test-prefix "on make-foo-vector"
+
+ (pass-if "bool"
+ (eq? 'b (array-type (make-bitvector 1))))
+
+ (pass-if "char"
+ (eq? 'a (array-type (make-string 1))))
+
+ (pass-if "byte"
+ (eq? 'u8 (array-type (make-u8vector 1))))
+
+ (pass-if "short"
+ (eq? 's16 (array-type (make-s16vector 1))))
+
+ (pass-if "ulong"
+ (eq? 'u32 (array-type (make-u32vector 1))))
+
+ (pass-if "long"
+ (eq? 's32 (array-type (make-s32vector 1))))
+
+ (pass-if "long long"
+ (eq? 's64 (array-type (make-s64vector 1))))
+
+ (pass-if "float"
+ (eq? 'f32 (array-type (make-f32vector 1))))
+
+ (pass-if "double"
+ (eq? 'f64 (array-type (make-f64vector 1))))
+
+ (pass-if "complex"
+ (eq? 'c64 (array-type (make-c64vector 1))))
+
+ (pass-if "scm"
+ (eq? #t (array-type (make-vector 1)))))
+
+ (with-test-prefix "on make-typed-array"
+
+ (let ((types '(b a u8 s8 u16 s16 u32 s32 u64 u64 f32 f64 c32 c64)))
+ (for-each (lambda (type)
+ (pass-if (symbol->string type)
+ (eq? type
+ (array-type (make-typed-array type
+ *unspecified*
+ '(5 6))))))
+ types))))
+
+;;;
+;;; array-set!
+;;;
+
+(with-test-prefix "array-set!"
+
+ (with-test-prefix "bitvector"
+
+ ;; in Guile 1.8.0 a bug in bitvector_set() caused a segv in array-set!
+ ;; on a bitvector like the following
+ (let ((a (make-bitvector 1)))
+ (pass-if "one elem set #t"
+ (begin
+ (array-set! a #t 0)
+ (eq? #t (array-ref a 0))))
+ (pass-if "one elem set #f"
+ (begin
+ (array-set! a #f 0)
+ (eq? #f (array-ref a 0))))))
+
+ (with-test-prefix "byte"
+
+ (let ((a (make-s8vector 1)))
+
+ (pass-if "-128"
+ (begin (array-set! a -128 0) #t))
+ (pass-if "0"
+ (begin (array-set! a 0 0) #t))
+ (pass-if "127"
+ (begin (array-set! a 127 0) #t))
+ (pass-if-exception "-129" exception:out-of-range
+ (begin (array-set! a -129 0) #t))
+ (pass-if-exception "128" exception:out-of-range
+ (begin (array-set! a 128 0) #t))))
+
+ (with-test-prefix "short"
+
+ (let ((a (make-s16vector 1)))
+ ;; true if n can be array-set! into a
+ (define (fits? n)
+ (false-if-exception (begin (array-set! a n 0) #t)))
+
+ (with-test-prefix "store/fetch"
+ ;; Check array-ref gives back what was put with array-set!.
+ ;; In Guile 1.6.4 and earlier, array-set! only demanded an inum and
+ ;; would silently truncate to a short.
+
+ (do ((n 1 (1+ (* 2 n)))) ;; n=2^k-1
+ ((not (fits? n)))
+ (array-set! a n 0)
+ (pass-if n
+ (= n (array-ref a 0))))
+
+ (do ((n -1 (* 2 n))) ;; -n=2^k
+ ((not (fits? n)))
+ (array-set! a n 0)
+ (pass-if n
+ (= n (array-ref a 0))))))))
+
+;;;
+;;; array-set!
+;;;
+
+(with-test-prefix "array-set!"
+
+ (with-test-prefix "one dim"
+ (let ((a (make-array #f '(3 5))))
+ (pass-if "start"
+ (array-set! a 'y 3)
+ #t)
+ (pass-if "end"
+ (array-set! a 'y 5)
+ #t)
+ (pass-if-exception "start-1" exception:out-of-range
+ (array-set! a 'y 2))
+ (pass-if-exception "end+1" exception:out-of-range
+ (array-set! a 'y 6))
+ (pass-if-exception "two indexes" exception:wrong-num-indices
+ (array-set! a 'y 6 7))))
+
+ (with-test-prefix "two dim"
+ (let ((a (make-array #f '(3 5) '(7 9))))
+ (pass-if "start"
+ (array-set! a 'y 3 7)
+ #t)
+ (pass-if "end"
+ (array-set! a 'y 5 9)
+ #t)
+ (pass-if-exception "start i-1" exception:out-of-range
+ (array-set! a 'y 2 7))
+ (pass-if-exception "end i+1" exception:out-of-range
+ (array-set! a 'y 6 9))
+ (pass-if-exception "one index" exception:wrong-num-indices
+ (array-set! a 'y 4))
+ (pass-if-exception "three indexes" exception:wrong-num-indices
+ (array-set! a 'y 4 8 0)))))
+
+;;;
+;;; uniform-vector
+;;;
+
+(with-test-prefix "typed arrays"
+
+ (with-test-prefix "array-ref byte"
+
+ (let ((a (make-s8vector 1)))
+
+ (pass-if "0"
+ (begin
+ (array-set! a 0 0)
+ (= 0 (array-ref a 0))))
+ (pass-if "127"
+ (begin
+ (array-set! a 127 0)
+ (= 127 (array-ref a 0))))
+ (pass-if "-128"
+ (begin
+ (array-set! a -128 0)
+ (= -128 (array-ref a 0))))))
+
+ (with-test-prefix "shared with rank 1 equality"
+
+ (let ((a #f64(1 2 3 4)))
+
+ (pass-if "change offset"
+ (let ((b (make-shared-array a (lambda (i) (list (+ i 1))) 3)))
+ (and (eq? (array-type b) (array-type a))
+ (= 3 (array-length b))
+ (array-equal? b #f64(2 3 4)))))
+
+ (pass-if "change stride"
+ (let ((c (make-shared-array a (lambda (i) (list (* i 2))) 2)))
+ (and (eq? (array-type c) (array-type a))
+ (= 2 (array-length c))
+ (array-equal? c #f64(1 3))))))))
+
+;;;
+;;; syntax
+;;;
+
+(with-test-prefix/c&e "syntax"
+
+ (pass-if "rank and lower bounds"
+ ;; uniform u32 array of rank 2 with index ranges 2..3 and 7..8.
+ (let ((a '#2u32@2@7((1 2) (3 4))))
+ (and (array? a)
+ (typed-array? a 'u32)
+ (= (array-rank a) 2)
+ (let loop ((bounds '((2 7) (2 8) (3 7) (3 8)))
+ (result #t))
+ (if (null? bounds)
+ result
+ (and result
+ (loop (cdr bounds)
+ (apply array-in-bounds? a (car bounds)))))))))
+
+ (pass-if "negative lower bound"
+ (let ((a '#1@-3(a b)))
+ (and (array? a)
+ (= (array-rank a) 1)
+ (array-in-bounds? a -3) (array-in-bounds? a -2)
+ (eq? 'a (array-ref a -3))
+ (eq? 'b (array-ref a -2)))))
+
+ (pass-if-exception "negative length" exception:length-non-negative
+ (with-input-from-string "'#1:-3(#t #t)" read))
+
+ (pass-if "bitvector is self-evaluating"
+ (equal? (compile (bitvector)) (bitvector)))
+
+ ; this failed in 2.0.9.
+ (pass-if "typed arrays that are not uniform arrays"
+ (let ((a #2b((#t #f) (#f #t)))
+ (b (make-typed-array 'b #f 2 2)))
+ (array-set! b #t 0 0)
+ (array-set! b #t 1 1)
+ (array-equal? a b))))
+
+;;;
+;;; equal? with vector and one-dimensional array
+;;;
+
+(with-test-prefix/c&e "equal?"
+ (pass-if "array and non-array"
+ (not (equal? #2f64((0 1) (2 3)) 100)))
+
+ (pass-if "empty vectors of different types"
+ (not (equal? #s32() #f64())))
+
+ (pass-if "empty arrays of different types"
+ (not (equal? #2s32() #2f64())))
+
+ (pass-if "empty arrays of the same type"
+ (equal? #s32() #s32()))
+
+ (pass-if "identical uniform vectors of the same type"
+ (equal? #s32(1) #s32(1)))
+
+ (pass-if "nonidentical uniform vectors of the same type"
+ (not (equal? #s32(1) #s32(-1))))
+
+ (pass-if "identical uniform vectors of different types"
+ (not (equal? #s32(1) #s64(1))))
+
+ (pass-if "nonidentical uniform vectors of different types"
+ (not (equal? #s32(1) #s64(-1))))
+
+ (pass-if "vector and one-dimensional array"
+ (equal? (make-shared-array #2((a b c) (d e f) (g h i))
+ (lambda (i) (list i i))
+ '(0 2))
+ #(a e i))))
+
+;;;
+;;; slices as generalized vectors
+;;;
+
+(with-test-prefix/c&e "generalized vector slices"
+ (pass-if (equal? (array-row #2u32((0 1) (2 3)) 1)
+ #u32(2 3)))
+ (pass-if (equal? (array-ref (array-row #2u32((0 1) (2 3)) 1) 0)
+ 2)))
+
+;;;
+;;; printing arrays
+;;;
+
+(with-test-prefix/c&e "printing arrays"
+ (pass-if-equal "writing 1D arrays that aren't vectors"
+ "#1(b c)"
+ (format #f "~a" (make-shared-array #(a b c)
+ (lambda (i) (list (+ i 1)))
+ 2)))
+
+ (pass-if-equal "0-array"
+ "#0(9)"
+ (format #f "~a" (make-array 9)))
+
+ (pass-if-equal "2-array"
+ "#2f64((0.0 1.0) (2.0 3.0))"
+ (format #f "~a" #2f64((0 1) (2 3))))
+
+ (pass-if-equal "empty 3-array"
+ "#3()"
+ (format #f "~a" (make-array 1 0 0 0)))
+
+ (pass-if-equal "empty 3-array with last nonempty dim."
+ "#3:0:0:1()"
+ (format #f "~a" (make-array 1 0 0 1)))
+
+ (pass-if-equal "empty 3-array with middle nonempty dim."
+ "#3:0:1:0()"
+ (format #f "~a" (make-array 1 0 1 0)))
+
+ (pass-if-equal "empty 3-array with first nonempty dim."
+ "#3(())"
+ (format #f "~a" (make-array 1 1 0 0)))
+
+ (pass-if-equal "3-array with non-zero lower bounds"
+ "#3@1@0@1(((1 1 1) (1 1 1)) ((1 1 1) (1 1 1)))"
+ (format #f "~a" (make-array 1 '(1 2) '(0 1) '(1 3))))
+
+ (pass-if-equal "3-array with non-zero-lower bounds and last nonempty dim."
+ "#3@0:0@0:0@1:3()"
+ (format #f "~a" (make-array 1 0 0 '(1 3))))
+
+ (pass-if-equal "3-array with non-zero-lower bounds and middle nonempty dim."
+ "#3@0:0@1:3@0:0()"
+ (format #f "~a" (make-array 1 0 '(1 3) 0)))
+
+ (pass-if-equal "3-array with non-zero-lower bounds and first nonempty dim."
+ "#3@1@0@0(() () ())"
+ (format #f "~a" (make-array 1 '(1 3) 0 0)))
+
+ (pass-if-equal "3-array with singleton dim case I"
+ "#3@1@1@-1(((1 1 1)))"
+ (format #f "~a" (make-array 1 '(1 1) '(1 1) '(-1 1))))
+
+ (pass-if-equal "3-array with singleton dim case II"
+ "#3@-1@1@1(((1) (1) (1)))"
+ (format #f "~a" (make-array 1 '(-1 -1) '(1 3) '(1 1))))
+
+ (pass-if-equal "3-array with singleton dim case III"
+ "#3@1@-1@1(((1)) ((1)) ((1)))"
+ (format #f "~a" (make-array 1 '(1 3) '(-1 -1) '(1 1)))))
+