added step function to math utils

2022-03-12 13:55:47 -05:00 · 2022-03-12 13:55:47 -05:00 · 83c7e440f6
commit 83c7e440f6
parent 72e31b5c4d
1 changed files with 5 additions and 0 deletions
--- a/src/propeller/tools/math.cljc
+++ b/src/propeller/tools/math.cljc
@ -6,6 +6,11 @@
 (defonce E #?(:clj  Math/E
              :cljs js/Math.PI))

+(defn step
+  "returns 1 if number is nonzero, 0 otherwise"
+  [x]
+  (if (zero? x) 0 1))
+
 (defn abs
  "Returns the absolute value of a number."
  [x]