[GPU] Update range shape infer with epsilon

Author: kelvinchoi-intel

src/core/shape_inference/include/range_shape_inference.hpp

@@ -72,9 +72,13 @@ std::vector<TRShape> range_shape_infer(const Node* op,
             span = stop - start;
         }
 
-        double strided = ceil(fabs(span) / fabs(step));
+        uint32_t strided = static_cast<uint32_t>(ceil(fabs(span) / fabs(step)));
+        const double epsilon = 1e-06;
+        if (!output_is_integral && (strided - 1) * step >= 1.0f - epsilon) {
+            strided -= 1;
+        }
 
-        output_shapes[0] = TRShape{static_cast<uint32_t>(strided)};
+        output_shapes[0] = TRShape{strided};
     } else {
         output_shapes[0] = ov::PartialShape::dynamic(1);
     }

src/plugins/intel_gpu/tests/unit/shape_infer/range_si_test.cpp

@@ -96,6 +96,7 @@ TEST_P(range_si_test, shape_infer) {
 
 INSTANTIATE_TEST_SUITE_P(smoke, range_si_test,
     testing::ValuesIn(std::vector<range_si_test_params>{
+        {ov::PartialShape{}, ov::PartialShape{39}, data_types::f32, {0.0f, 1.0f, 0.025641024f}},
         {ov::PartialShape{}, ov::PartialShape{7}, data_types::i32, {2, 23, 3}},
         {ov::PartialShape{}, ov::PartialShape{7}, data_types::i8,  {2, 23, 3}},
         {ov::PartialShape{}, ov::PartialShape{7}, data_types::u8,  {2, 23, 3}},

src/plugins/intel_gpu/tests/unit/test_cases/range_gpu_test.cpp

@@ -174,6 +174,7 @@ INSTANTIATE_TEST_SUITE_P(range_gpu_test,
                         smoke_range_test,
                         testing::ValuesIn(
                             range_test_param_generator()
+                            .simple_params(float_types,     0,  1.0f, 0.025641024f)
                             .simple_params(general_types,   2,  23,   3)
                             .simple_params(general_types,   1,  21,   2)
                             .simple_params(float_types,     1,  2.5f, 0.5f)