COMPMID-457 Fix F16 NormalizationLayer CL kernel

Change-Id: I307c7ef6a49c852615c4425dc8dc0b1066a6974f
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/81895
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/src/core/CL/cl_kernels/normalization_layer.cl b/src/core/CL/cl_kernels/normalization_layer.cl
index 076b0d8..2305ae0 100644
--- a/src/core/CL/cl_kernels/normalization_layer.cl
+++ b/src/core/CL/cl_kernels/normalization_layer.cl
@@ -146,7 +146,7 @@
         acc_vec += vload4(0, (__global DATA_TYPE *)tensor3D_offset(&squared_in, i - current_pos, 0, 0));
     }
 
-    const float4 normalized = pow((float4)kappa + coeff * (float4)acc_vec, beta);
+    const float4 normalized = pow((float4)kappa + coeff * CONVERT(acc_vec, float4), beta);
 
     const float4 normalized_pixel = CONVERT(vload4(0, (__global DATA_TYPE *)in.ptr), float4) / normalized;
 
diff --git a/src/core/CL/cl_kernels/pixelwise_mul_float.cl b/src/core/CL/cl_kernels/pixelwise_mul_float.cl
index 98127e0..f4f36a0 100644
--- a/src/core/CL/cl_kernels/pixelwise_mul_float.cl
+++ b/src/core/CL/cl_kernels/pixelwise_mul_float.cl
@@ -84,7 +84,7 @@
     // Perform multiplication
 #ifdef DATA_TYPE_FLOAT
     VEC_DATA_TYPE(DATA_TYPE_OUT, 16)
-    res = CONVERT(in1_data * in2_data * scale, VEC_DATA_TYPE(DATA_TYPE_OUT, 16));
+    res = CONVERT(in1_data * in2_data * (DATA_TYPE_RES)scale, VEC_DATA_TYPE(DATA_TYPE_OUT, 16));
 #else  /* DATA_TYPE_FLOAT */
     VEC_DATA_TYPE(DATA_TYPE_OUT, 16)
     res = CONVERT_OP_FLOAT(CONVERT_OP_FLOAT((convert_float16(in1_data * in2_data) * scale), VEC_DATA_TYPE(DATA_TYPE_RES, 16), ROUND), VEC_DATA_TYPE(DATA_TYPE_OUT, 16), ROUND);