@@ -319,6 +319,9 @@ Supported NumPy features:
   * :func:`numpy.less_equal`
   * :func:`numpy.not_equal`
   * :func:`numpy.equal`
+  * :func:`numpy.log`
+  * :func:`numpy.log2`
+  * :func:`numpy.log10`
   * :func:`numpy.logical_and`
   * :func:`numpy.logical_or`
   * :func:`numpy.logical_xor`
 
@@ -0,0 +1,4 @@
+Support math.log, math.log2 and math.log10 in CUDA
+--------------------------------------------------
+
+CUDA target now supports ``np.log``, ``np.log2`` and ``np.log10``.
@@ -5,6 +5,7 @@
                                        register_numpy_ufunc,
                                        trigonometric_functions,
                                        comparison_functions,
+                                       math_operations,
                                        bit_twiddling_functions)
 from numba.core.typing.templates import (AttributeTemplate, ConcreteTemplate,
                                          AbstractTemplate, CallableTemplate,
@@ -799,3 +800,7 @@ def resolve_local(self, mod):
 
 for func in bit_twiddling_functions:
     register_numpy_ufunc(func, register_global)
+
+for func in math_operations:
+    if func in ('log', 'log2', 'log10'):
+        register_numpy_ufunc(func, register_global)
@@ -260,6 +260,18 @@ def test_bitwise_not_ufunc(self):
     # when the second argument is a negative. See the comment in
     # numba/tests/test_ufuncs.py for more details.
 
+    ############################################################################
+    # Mathematical Functions
+
+    def test_log_ufunc(self):
+        self.basic_ufunc_test(np.log, kinds='cf')
+
+    def test_log2_ufunc(self):
+        self.basic_ufunc_test(np.log2, kinds='cf')
+
+    def test_log10_ufunc(self):
+        self.basic_ufunc_test(np.log10, kinds='cf')
+
 
 if __name__ == '__main__':
     unittest.main()
@@ -35,6 +35,15 @@ def np_binary_impl(fn, context, builder, sig, args):
         impl = get_binary_impl_for_fn_and_ty(fn, sig.args[0])
         return impl(context, builder, sig, args)
 
+    def np_real_log_impl(context, builder, sig, args):
+        return np_unary_impl(math.log, context, builder, sig, args)
+
+    def np_real_log2_impl(context, builder, sig, args):
+        return np_unary_impl(math.log2, context, builder, sig, args)
+
+    def np_real_log10_impl(context, builder, sig, args):
+        return np_unary_impl(math.log10, context, builder, sig, args)
+
     def np_real_sin_impl(context, builder, sig, args):
         return np_unary_impl(math.sin, context, builder, sig, args)
 
@@ -628,4 +637,26 @@ def np_real_atanh_impl(context, builder, sig, args):
         'qq->q': numbers.int_shr_impl,
         'QQ->Q': numbers.int_shr_impl,
     }
+
+    db[np.log] = {
+        'f->f': np_real_log_impl,
+        'd->d': np_real_log_impl,
+        'F->F': npyfuncs.np_complex_log_impl,
+        'D->D': npyfuncs.np_complex_log_impl,
+    }
+
+    db[np.log2] = {
+        'f->f': np_real_log2_impl,
+        'd->d': np_real_log2_impl,
+        'F->F': npyfuncs.np_complex_log2_impl,
+        'D->D': npyfuncs.np_complex_log2_impl,
+    }
+
+    db[np.log10] = {
+        'f->f': np_real_log10_impl,
+        'd->d': np_real_log10_impl,
+        'F->F': npyfuncs.np_complex_log10_impl,
+        'D->D': npyfuncs.np_complex_log10_impl,
+    }
+
     return db
-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +Support math.log, math.log2 and math.log10 in CUDA
 +--------------------------------------------------
++
 +CUDA target now supports ``np.log``, ``np.log2`` and ``np.log10``.