added more float16 support and tests

Author: philippedistributive

src/BufferType.cc

@@ -220,8 +220,11 @@ JS::Scalar::Type BufferType::_getPyBufferType(Py_buffer *bufView) {
     return JS::Scalar::Float32;
   } else if (typeCode == 'd') {
     return JS::Scalar::Float64;
+  } else if (typeCode == 'e') {
+    return JS::Scalar::Float16;
   }
 
+
   // integer types
   // We can't rely on the type codes alone since the typecodes are mapped to C types and would have different sizes on different architectures
   //    see https://docs.python.org/3.9/library/array.html#module-array

tests/python/test_buffer_typed_array.py

@@ -50,6 +50,7 @@ def assert_js_to_py_memoryview(buf: memoryview):
   assert pm.eval("(arr)=>arr instanceof Int16Array")(numpy.array([1], dtype=numpy.int16))
   assert pm.eval("(arr)=>arr instanceof Int32Array")(numpy.array([1], dtype=numpy.int32))
   assert pm.eval("(arr)=>arr instanceof BigInt64Array")(numpy.array([1], dtype=numpy.int64))
+  assert pm.eval("(arr)=>arr instanceof Float16Array")(numpy.array([1], dtype=numpy.float16))
   assert pm.eval("(arr)=>arr instanceof Float32Array")(numpy.array([1], dtype=numpy.float32))
   assert pm.eval("(arr)=>arr instanceof Float64Array")(numpy.array([1], dtype=numpy.float64))
   assert pm.eval("new Uint8Array([1])").format == "B"
@@ -60,6 +61,7 @@ def assert_js_to_py_memoryview(buf: memoryview):
   assert pm.eval("new Int16Array([1])").format == "h"
   assert pm.eval("new Int32Array([1])").format == "i"
   assert pm.eval("new BigInt64Array([1n])").format == "q"
+  assert pm.eval("new Float16Array([1])").format == "e"
   assert pm.eval("new Float32Array([1])").format == "f"
   assert pm.eval("new Float64Array([1])").format == "d"