test: Fix bottom_blob of ROIPooling test

tests/test_roipooling.cpp

@@ -17,18 +17,17 @@
 #include "layer.h"
 #include "layer/roipooling.h"
 
-static int RandomInt(float a = -2.f, float b = 2.f)
-{
-    return RandomFloat( a, b ) / 1;
-}
 
 static int test_roipooling(int w, int h, int c, int pooled_width, int pooled_height, float spatial_scale)
 {
     std::vector<ncnn::Mat> a;
-    int num_rois = RandomInt(2, 1000);
-    for(int i=0; i<num_rois; i++){
-        a.push_back(RandomMat(w + RandomInt(0, 15), h + RandomInt(0, 13), c));
-    }
+    a.push_back(RandomMat(w, h, c));
+    ncnn::Mat b(4);
+    b[0] = RandomFloat(0.001     , w-2.001);    //roi_x1
+    b[2] = RandomFloat(b[0]+1.001, w-1.001);    //roi_x2
+    b[1] = RandomFloat(0.001     , h-2.001);    //roi_y1
+    b[3] = RandomFloat(b[2]+1.001, h-1.001);    //roi_y2
+    a.push_back(b);
 
     ncnn::ParamDict pd;
     pd.set(0, pooled_width);    // pooled_width
@@ -49,7 +48,7 @@ static int test_roipooling(int w, int h, int c, int pooled_width, int pooled_hei
     int ret = test_layer<ncnn::ROIPooling>("ROIPooling", pd, weights, opt, a);
     if (ret != 0)
     {
-        fprintf(stderr, "test_roipooling failed base_w=%d base_h=%d base_c=%d num_rois=%d pooled_width=%d pooled_height=%d spatial_scale=%4f.3\n", w, h, c, num_rois, pooled_width, pooled_height, spatial_scale);
+        fprintf(stderr, "test_roipooling failed base_w=%d base_h=%d base_c=%d pooled_width=%d pooled_height=%d spatial_scale=%4f.3\n", w, h, c, pooled_width, pooled_height, spatial_scale);
     }
 
     return ret;
@@ -57,62 +56,16 @@ static int test_roipooling(int w, int h, int c, int pooled_width, int pooled_hei
 
 static int test_roipooling_0()
 {
-    for (int i=0; i<11; i++)
-    {
-        int ret = 0
-            || test_roipooling(2, 2, 81, 4, 4, 0.0156)
-            || test_roipooling(4, 4, 27, 7, 7, 0.0312)
-            || test_roipooling(9, 9, 9, 14, 14, 0.0625)
-            || test_roipooling(15, 21, 81, 8, 6, 0.0123)
-            || test_roipooling(17, 23, 27, 27, 17, 0.0370)
-            || test_roipooling(19, 25, 9, 80, 53, 0.1111)
-            ;
-
-        if (ret != 0)
-            return -1;
-    }
-
-    return 0;
-}
-
-static int test_roipooling_1()
-{
-    for (int i=0; i<11; i++)
-    {
-        int ret = 0
-            || test_roipooling(2, 2, 27, 4, 4, 0.0156)
-            || test_roipooling(4, 4, 9, 7, 7, 0.0312)
-            || test_roipooling(9, 9, 3, 14, 14, 0.0625)
-            || test_roipooling(4, 21, 27, 12, 9, 0.0123)
-            || test_roipooling(17, 23, 9, 38, 29, 0.0370)
-            || test_roipooling(105, 65, 3, 113, 85, 0.1111)
-            ;
-
-        if (ret != 0)
-            return -1;
-    }
-
-    return 0;
-}
-
-static int test_roipooling_2()
-{
-    for (int i=0; i<11; i++)
-    {
-        int ret = 0
-            || test_roipooling(4, 7, 1, 4, 5, 0.0156)
-            || test_roipooling(6, 11, 2, 6, 7, 0.0312)
-            || test_roipooling(9, 17, 3, 14, 17, 0.0625)
-            || test_roipooling(13, 19, 4, 15, 18, 0.1250)
-            || test_roipooling(15, 21, 7, 18, 21, 0.0123)
-            || test_roipooling(17, 23, 8, 21, 25, 0.0370)
-            || test_roipooling(19, 25, 15, 21, 26, 0.1111)
-            || test_roipooling(23, 31, 16, 25, 34, 0.3333)
-            ;
+    int ret = 0
+        || test_roipooling(112, 112, 16 , 56, 56, 0.50000)
+        || test_roipooling(56 , 56 , 32 , 28, 28, 0.25000)
+        || test_roipooling(28 , 28 , 64 , 14, 14, 0.12500)
+        || test_roipooling(14 , 14 , 128, 27, 17, 0.06250)
+        || test_roipooling(7  , 7  , 256,  3,  3, 0.03125)
+        ;
 
-        if (ret != 0)
-            return -1;
-    }
+    if (ret != 0)
+        return -1;
 
     return 0;
 }
@@ -123,7 +76,5 @@ int main()
 
     return 0
         || test_roipooling_0()
-        || test_roipooling_1()
-        || test_roipooling_2()
         ;
 }