[GR-10582] Math angular conversion functions are not implemented.

Author: ppisl

graalpython/com.oracle.graal.python.test/src/tests/test_math.py

@@ -1169,3 +1169,27 @@ class TestNoTrunc(object):
         self.assertRaises(TypeError, math.trunc, 1, 2)
         self.assertRaises(TypeError, math.trunc, TestNoTrunc())
 
+    def testDegrees(self):
+        self.assertRaises(TypeError, math.degrees)
+        self.ftest('degrees(pi)', math.degrees(math.pi), 180.0)
+        self.ftest('degrees(pi/2)', math.degrees(math.pi/2), 90.0)
+        self.ftest('degrees(-pi/4)', math.degrees(-math.pi/4), -45.0)
+        self.ftest('degrees(0)', math.degrees(0), 0)
+
+        # test of specializations
+        self.ftest('degrees(MyFloat())', math.degrees(MyFloat()), 34.37746770784939)
+        self.assertRaises(TypeError, math.degrees, 'ahoj')
+        self.ftest('degrees(BIG_INT)', math.degrees(BIG_INT), 5.729573615680451e+32)
+
+    def testRadians(self):
+        self.assertRaises(TypeError, math.radians)
+        self.ftest('radians(180)', math.radians(180), math.pi)
+        self.ftest('radians(90)', math.radians(90), math.pi/2)
+        self.ftest('radians(-45)', math.radians(-45), -math.pi/4)
+        self.ftest('radians(0)', math.radians(0), 0)
+
+        # test of specializations
+        self.ftest('radians(MyFloat())', math.radians(MyFloat()), 0.010471975511965976)
+        self.assertRaises(TypeError, math.radians, 'ahoj')
+        self.ftest('radians(BIG_INT)', math.radians(BIG_INT), 1.7453279312865818e+29)
+

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/MathModuleBuiltins.java

@@ -1689,4 +1689,28 @@ public abstract static class Atan2Node extends PythonBinaryBuiltinNode {
             return atan2DD(convertLeftFloat.execute(left), convertRightFloat.execute(right));
         }
     }
+
+    @Builtin(name = "degrees", fixedNumOfArguments = 1)
+    @GenerateNodeFactory
+    public abstract static class DegreesNode extends MathDoubleUnaryBuiltinNode {
+        private static final double RAD_TO_DEG = 180.0 / Math.PI;
+
+        @Override
+        @TruffleBoundary
+        public double count(double value) {
+            return value * RAD_TO_DEG;
+        }
+    }
+
+    @Builtin(name = "radians", fixedNumOfArguments = 1)
+    @GenerateNodeFactory
+    public abstract static class RadiansNode extends MathDoubleUnaryBuiltinNode {
+        private static final double DEG_TO_RAD = Math.PI / 180.0;
+
+        @Override
+        @TruffleBoundary
+        public double count(double value) {
+            return value * DEG_TO_RAD;
+        }
+    }
 }