tests/arith.impure.lisp

   1 ;;;; arithmetic tests with side effects
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 (load "assertoid.lisp")
  15 (use-package "ASSERTOID")
  16
  17 (defmacro define-compiled-fun (fun name)
  18   `(progn
  19     (declaim (notinline ,name))
  20     (defun ,name (&rest args)
  21      (declare (optimize safety))
  22      (case (length args)
  23        (0 (,fun))
  24        (1 (,fun (car args)))
  25        (2 (,fun (car args) (cadr args)))
  26        (t (apply #',fun args))))))
  27
  28 (define-compiled-fun min compiled-min)
  29 (define-compiled-fun max compiled-max)
  30 (define-compiled-fun + compiled-+)
  31 (define-compiled-fun * compiled-*)
  32 (define-compiled-fun logand compiled-logand)
  33 (define-compiled-fun logior compiled-logior)
  34 (define-compiled-fun logxor compiled-logxor)
  35
  36 (assert (null (ignore-errors (compiled-min '(1 2 3)))))
  37 (assert (= (compiled-min -1) -1))
  38 (assert (null (ignore-errors (compiled-min 1 #(1 2 3)))))
  39 (assert (= (compiled-min 10 11) 10))
  40 (assert (null (ignore-errors (compiled-min (find-package "CL") -5.0))))
  41 (assert (= (compiled-min 5.0 -3) -3))
  42 (assert (null (ignore-errors (compiled-max #c(4 3)))))
  43 (assert (= (compiled-max 0) 0))
  44 (assert (null (ignore-errors (compiled-max "MIX" 3))))
  45 (assert (= (compiled-max -1 10.0) 10.0))
  46 (assert (null (ignore-errors (compiled-max 3 #'max))))
  47 (assert (= (compiled-max -3 0) 0))
  48
  49 (assert (null (ignore-errors (compiled-+ "foo"))))
  50 (assert (= (compiled-+ 3f0) 3f0))
  51 (assert (null (ignore-errors (compiled-+ 1 #p"tmp"))))
  52 (assert (= (compiled-+ 1 2) 3))
  53 (assert (null (ignore-errors (compiled-+ '(1 2 3) 3))))
  54 (assert (= (compiled-+ 3f0 4f0) 7f0))
  55 (assert (null (ignore-errors (compiled-* "foo"))))
  56 (assert (= (compiled-* 3f0) 3f0))
  57 (assert (null (ignore-errors (compiled-* 1 #p"tmp"))))
  58 (assert (= (compiled-* 1 2) 2))
  59 (assert (null (ignore-errors (compiled-* '(1 2 3) 3))))
  60 (assert (= (compiled-* 3f0 4f0) 12f0))
  61
  62 (assert (null (ignore-errors (compiled-logand #(1)))))
  63 (assert (= (compiled-logand 1) 1))
  64 (assert (null (ignore-errors (compiled-logior 3f0))))
  65 (assert (= (compiled-logior 4) 4))
  66 (assert (null (ignore-errors (compiled-logxor #c(2 3)))))
  67 (assert (= (compiled-logxor -6) -6))
  68
  69 (assert (raises-error? (coerce (expt 10 1000) 'single-float) type-error))
  70 \f
  71 (defun are-we-getting-ash-right (x y)
  72   (declare (optimize speed)
  73            (type (unsigned-byte 32) x)
  74            (type (integer -40 0) y))
  75   (ash x y))
  76 (defun what-about-with-constants (x)
  77   (declare (optimize speed) (type (unsigned-byte 32) x))
  78   (ash x -32))
  79
  80 (dotimes (i 41)
  81   (assert (= (are-we-getting-ash-right (1- (ash 1 32)) (- i))
  82              (if (< i 32)
  83                  (1- (ash 1 (- 32 i)))
  84                  0))))
  85 (assert (= (what-about-with-constants (1- (ash 1 32))) 0))
  86
  87 (defun one-more-test-case-to-catch-sparc (x y)
  88   (declare (optimize speed (safety 0))
  89            (type (unsigned-byte 32) x) (type (integer -40 2) y))
  90   (the (unsigned-byte 32) (ash x y)))
  91 (assert (= (one-more-test-case-to-catch-sparc (1- (ash 1 32)) -40) 0))
  92
  93 (defun 64-bit-logcount (x)
  94   (declare (optimize speed) (type (unsigned-byte 54) x))
  95   (logcount x))
  96 (assert (= (64-bit-logcount (1- (ash 1 24))) 24))
  97 (assert (= (64-bit-logcount (1- (ash 1 32))) 32))
  98 (assert (= (64-bit-logcount (1- (ash 1 48))) 48))
  99 (assert (= (64-bit-logcount (1- (ash 1 54))) 54))
 100 \f
 101 (sb-ext:quit :unix-status 104)