feat: implement cos and sin

unibo-dtm-se · May 7, 2024 · c7e11cb · c7e11cb
1 parent 28d0303
commit c7e11cb
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/calculator/__init__.py b/calculator/__init__.py
@@ -52,10 +52,16 @@ def power(self):
 
     def logarithm(self):
         self._append("log")
+
+    def cos(self):
+        self._append("cos")
+
+    def sin(self):
+        self._append("sin")
 
     def compute_result(self) -> Number:
         try:
-            from math import sqrt
+            from math import sqrt, cos, sin
             result = eval(self.expression)
             if isinstance(result, Number):
                 self.expression = str(result)

diff --git a/calculator/ui/gui.py b/calculator/ui/gui.py
@@ -11,7 +11,7 @@
     ['1', '2', '3', '-'],
     ['.', '0', '=', '+'],
     ['(', '√', '^', ')'],
-    ['log'],
+    ['log', 'cos', 'sin'],
 ]
 
 
@@ -81,6 +81,10 @@ def on_button_press(self, button):
             case "log":
                 self._calc.logarithm()
                 self._calc.open_parenthesis()
+            case "cos":
+                self._calc.cos()
+            case "sin":
+                self._calc.sin()
             case _:
                 self._calc.digit(button.text)
         self.display.text = self._calc.expression or "0"