Don't use floating point pow() for squaring an int.

It's put back into an int variable right after, so range is not an issue.

1 files changed, 2 insertions, 2 deletions

diff --git a/crawl-ref/source/skills.cc b/crawl-ref/source/skills.cc
index c9dd691bfc..68ce00cf4a 100644
--- a/crawl-ref/source/skills.cc
+++ b/crawl-ref/source/skills.cc
@@ -575,13 +575,13 @@ void init_training()
     skills.init(0);
     for (int i = 0; i < NUM_SKILLS; ++i)
         if (skill_trained(i))
-            skills[i] = pow((double)you.skill_points[i], 2);
+            skills[i] = sqr(you.skill_points[i]);
 
     _scale_array(skills, EXERCISE_QUEUE_SIZE, true);
     _init_queue(you.exercises, skills);
 
     for (int i = 0; i < NUM_SKILLS; ++i)
-        skills[i] = pow((double)you.skill_points[i], 2);
+        skills[i] = sqr(you.skill_points[i]);
 
     _scale_array(skills, EXERCISE_QUEUE_SIZE, true);
     _init_queue(you.exercises_all, skills);