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changeset 25232:8a92b651838b

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primes.m: Improve input validation (bug #53472). * primes.m: Accept only a numeric scalar for input N. Add BIST test.
author Rik <rik@octave.org>
date Thu, 12 Apr 2018 13:19:25 -0700
parents b68abed2db20
children c64f7a95b464
files scripts/specfun/primes.m
diffstat 1 files changed, 4 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/specfun/primes.m	Thu Apr 12 12:11:34 2018 -0700
+++ b/scripts/specfun/primes.m	Thu Apr 12 13:19:25 2018 -0700
@@ -48,8 +48,8 @@
     print_usage ();
   endif
 
-  if (! isscalar (n))
-    error ("primes: N must be a scalar");
+  if (! (isnumeric (n) && isscalar (n)))
+    error ("primes: N must be a numeric scalar");
   endif
 
   if (n > 100e3)
@@ -107,4 +107,5 @@
 
 %!error primes ()
 %!error primes (1, 2)
-%!error <N must be a scalar> primes (ones (2,2))
+%!error <N must be a numeric scalar> primes ("1")
+%!error <N must be a numeric scalar> primes (ones (2,2))