---
title: aclmdlIODimsRange
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/ascendgraphapi/aclcppdevg_03_1409.html
sourcePath: /source/zh/canncommercial/900/API/ascendgraphapi/aclcppdevg_03_1409.html
indexId: c80ac103314ca56cb76e1a5e2be1e586ccd9038d48f9ea00a36c6c32b2e853ba72
---
# aclmdlIODimsRange

```
#define ACL_DIM_ENDPOINTS        2
#define ACL_MAX_DIM_CNT          128

typedef struct aclmdlIODimsRange {
    size_t rangeCount; /** 维度数量 */
    int64_t range[ACL_MAX_DIM_CNT][ACL_DIM_ENDPOINTS]; /** Shape范围二维数组，第一维表示维度数量，第二维表示范围的上、下限 */
} aclmdlIODimsRange;
```