dnn-layer-mathbinary-test: add unit test for add

Signed-off-by: Guo, Yejun <yejun.guo@intel.com>

tests/dnn/dnn-layer-mathbinary-test.c

@@ -22,10 +22,25 @@
 #include <string.h>
 #include <math.h>
 #include "libavfilter/dnn/dnn_backend_native_layer_mathbinary.h"
+#include "libavutil/avassert.h"
 
 #define EPSON 0.00001
 
-static int test_sub_broadcast_input0(void)
+static float get_expected(float f1, float f2, DNNMathBinaryOperation op)
+{
+    switch (op)
+    {
+    case DMBO_SUB:
+        return f1 - f2;
+    case DMBO_ADD:
+        return f1 + f2;
+    default:
+        av_assert0(!"not supported yet");
+        return 0.f;
+    }
+}
+
+static int test_broadcast_input0(DNNMathBinaryOperation op)
 {
     DnnLayerMathBinaryParams params;
     DnnOperand operands[2];
@@ -35,7 +50,7 @@ static int test_sub_broadcast_input0(void)
     };
     float *output;
 
-    params.bin_op = DMBO_SUB;
+    params.bin_op = op;
     params.input0_broadcast = 1;
     params.input1_broadcast = 0;
     params.v = 7.28;
@@ -52,9 +67,10 @@ static int test_sub_broadcast_input0(void)
 
     output = operands[1].data;
     for (int i = 0; i < sizeof(input) / sizeof(float); i++) {
-        float expected_output = params.v - input[i];
+        float expected_output = get_expected(params.v, input[i], op);
         if (fabs(output[i] - expected_output) > EPSON) {
-            printf("at index %d, output: %f, expected_output: %f\n", i, output[i], expected_output);
+            printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
+                    op, i, output[i], expected_output, __FILE__, __LINE__);
             av_freep(&output);
             return 1;
         }
@@ -64,7 +80,7 @@ static int test_sub_broadcast_input0(void)
     return 0;
 }
 
-static int test_sub_broadcast_input1(void)
+static int test_broadcast_input1(DNNMathBinaryOperation op)
 {
     DnnLayerMathBinaryParams params;
     DnnOperand operands[2];
@@ -74,7 +90,7 @@ static int test_sub_broadcast_input1(void)
     };
     float *output;
 
-    params.bin_op = DMBO_SUB;
+    params.bin_op = op;
     params.input0_broadcast = 0;
     params.input1_broadcast = 1;
     params.v = 7.28;
@@ -91,9 +107,10 @@ static int test_sub_broadcast_input1(void)
 
     output = operands[1].data;
     for (int i = 0; i < sizeof(input) / sizeof(float); i++) {
-        float expected_output = input[i] - params.v;
+        float expected_output = get_expected(input[i], params.v, op);
         if (fabs(output[i] - expected_output) > EPSON) {
-            printf("at index %d, output: %f, expected_output: %f\n", i, output[i], expected_output);
+            printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
+                    op, i, output[i], expected_output, __FILE__, __LINE__);
             av_freep(&output);
             return 1;
         }
@@ -103,7 +120,7 @@ static int test_sub_broadcast_input1(void)
     return 0;
 }
 
-static int test_sub_no_broadcast(void)
+static int test_no_broadcast(DNNMathBinaryOperation op)
 {
     DnnLayerMathBinaryParams params;
     DnnOperand operands[3];
@@ -116,7 +133,7 @@ static int test_sub_no_broadcast(void)
     };
     float *output;
 
-    params.bin_op = DMBO_SUB;
+    params.bin_op = op;
     params.input0_broadcast = 0;
     params.input1_broadcast = 0;
 
@@ -138,9 +155,10 @@ static int test_sub_no_broadcast(void)
 
     output = operands[2].data;
     for (int i = 0; i < sizeof(input0) / sizeof(float); i++) {
-        float expected_output = input0[i] - input1[i];
+        float expected_output = get_expected(input0[i], input1[i], op);
         if (fabs(output[i] - expected_output) > EPSON) {
-            printf("at index %d, output: %f, expected_output: %f\n", i, output[i], expected_output);
+            printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
+                    op, i, output[i], expected_output, __FILE__, __LINE__);
             av_freep(&output);
             return 1;
         }
@@ -150,15 +168,15 @@ static int test_sub_no_broadcast(void)
     return 0;
 }
 
-static int test_sub(void)
+static int test(DNNMathBinaryOperation op)
 {
-    if (test_sub_broadcast_input0())
+    if (test_broadcast_input0(op))
         return 1;
 
-    if (test_sub_broadcast_input1())
+    if (test_broadcast_input1(op))
         return 1;
 
-    if (test_sub_no_broadcast())
+    if (test_no_broadcast(op))
         return 1;
 
     return 0;
@@ -166,7 +184,10 @@ static int test_sub(void)
 
 int main(int argc, char **argv)
 {
-    if (test_sub())
+    if (test(DMBO_SUB))
+        return 1;
+
+    if (test(DMBO_ADD))
         return 1;
 
     return 0;