feat(calc)): partial supports of exp

1 files changed, 5 insertions, 3 deletions

diff --git a/src/elixir_math_parser.yrl b/src/elixir_math_parser.yrl
index 0808683..006c768 100644
--- a/src/elixir_math_parser.yrl
+++ b/src/elixir_math_parser.yrl
@@ -10,7 +10,7 @@ Terminals
   int
   var
   break
-  '+' '-' '*' '/' '!'
+  '+' '-' '*' '/' '!' '^'
   '='
   '(' ')'
 .
@@ -25,7 +25,8 @@ Left 300 '-'.
 Left 400 '*'.
 Left 400 '/'.
 Right 500 '!'.
-Left 600 '('.
+Left 600 '^'.
+Left 700 '('.
 
 root -> statements : '$1'.
 
@@ -46,8 +47,9 @@ expr -> exprs '+' exprs : {add_op, '$1', '$3'}.
 expr -> exprs '-' exprs : {sub_op, '$1', '$3'}.
 expr -> exprs '*' exprs : {mul_op, '$1', '$3'}.
 expr -> exprs '/' exprs : {div_op, '$1', '$3'}.
-expr -> '(' exprs ')' : '$2'.
 expr -> expr '!' : {factor_op, '$1'}.
+expr -> exprs '^' exprs : {exp_op, '$1', '$3'}.
+expr -> '(' exprs ')' : '$2'.
 
 Erlang code.