!25921 Fix: cpu real_div support fp16.

Merge pull request !25921 from hezhenhao1/add_fp16

mindspore/ccsrc/backend/kernel_compiler/cpu/arithmetic_cpu_kernel.h

@@ -127,6 +127,10 @@ MS_REG_CPU_KERNEL_T(
 MS_REG_CPU_KERNEL_T(
   RealDiv, KernelAttr().AddInputAttr(kNumberTypeInt32).AddInputAttr(kNumberTypeInt32).AddOutputAttr(kNumberTypeInt32),
   ArithmeticCPUKernel, int32_t);
+MS_REG_CPU_KERNEL_T(
+  RealDiv,
+  KernelAttr().AddInputAttr(kNumberTypeFloat16).AddInputAttr(kNumberTypeFloat16).AddOutputAttr(kNumberTypeFloat16),
+  ArithmeticCPUKernel, float16);
 MS_REG_CPU_KERNEL_T(
   RealDiv,
   KernelAttr().AddInputAttr(kNumberTypeFloat32).AddInputAttr(kNumberTypeFloat32).AddOutputAttr(kNumberTypeFloat32),

mindspore/ops/_op_impl/cpu/real_div.py

@@ -23,6 +23,7 @@ real_div_op_info = CpuRegOp("RealDiv") \
     .dtype_format(DataType.F32_Default, DataType.F32_Default, DataType.F32_Default) \
     .dtype_format(DataType.F16_Default, DataType.F16_Default, DataType.F16_Default) \
     .dtype_format(DataType.I64_Default, DataType.I64_Default, DataType.I64_Default) \
+    .dtype_format(DataType.F64_Default, DataType.F64_Default, DataType.F64_Default) \
     .get_op_info()
 
 

tests/st/ops/cpu/test_realdiv_op.py

@@ -34,7 +34,7 @@ class NetRealDiv(nn.Cell):
 @pytest.mark.level0
 @pytest.mark.platform_x86_cpu
 @pytest.mark.env_onecard
-@pytest.mark.parametrize('dtype', [np.float32, np.float64])
+@pytest.mark.parametrize('dtype', [np.float32, np.float64, np.float16])
 def test_real_div(dtype):
     """
     Feature: ALL To ALL