diff options
| -rw-r--r-- | challenge-333/athanasius/perl/ch-1.pl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/challenge-333/athanasius/perl/ch-1.pl b/challenge-333/athanasius/perl/ch-1.pl index bf49860d09..0a5bfb3679 100644 --- a/challenge-333/athanasius/perl/ch-1.pl +++ b/challenge-333/athanasius/perl/ch-1.pl @@ -68,7 +68,8 @@ Assumptions Note ---- -This script handles real number co-ordinate values using Perl's built-in float- ing-point arithmetic. For this reason, equality comparison cannot be performed +This script handles real number co-ordinate values using Perl's built-in float- +ing-point arithmetic. For this reason, equality comparison cannot be performed reliably using the "==" operator; instead, an equal_values() subroutine is pro- vided. If the absolute difference between the values to be compared is less than a given $EPSILON, then the values are considered equal. |