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当前 weight_quant_batch_matmul_v2、quant_batch_matmul_v4、dual_level_quant_batch_matmul 三个算子的 OpAPI 层级单元测试覆盖率较低，无法有效验证参数校验、数据类型支持、格式兼容性等关键路径。
weight_quant_batch_matmul_v2
quant_batch_matmul_v4
dual_level_quant_batch_matmul
Ascend950, Ascend910B, Ascend310P, cpu环境
bash build.sh --opapi -u --ops=quant_batch_matmul_v4,weight_quant_batch_matmul_v2,dual_level_quant_batch_matmul -j32 --cov
整体行覆盖率、函数覆盖率达到80%+
现有估算整体行覆盖率 76.9%，函数覆盖率 87.0%
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Describe the current behavior / 问题描述 (Mandatory / 必填)
当前
weight_quant_batch_matmul_v2、quant_batch_matmul_v4、dual_level_quant_batch_matmul三个算子的 OpAPI 层级单元测试覆盖率较低，无法有效验证参数校验、数据类型支持、格式兼容性等关键路径。Environment / 环境信息 (Mandatory / 必填)
Ascend950, Ascend910B, Ascend310P, cpu环境
Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)
bash build.sh --opapi -u --ops=quant_batch_matmul_v4,weight_quant_batch_matmul_v2,dual_level_quant_batch_matmul -j32 --cov
Describe the expected behavior / 预期结果 (Mandatory / 必填)
整体行覆盖率、函数覆盖率达到80%+
Related log / screenshot / 日志 / 截图 (Mandatory / 必填)
现有估算整体行覆盖率 76.9%，函数覆盖率 87.0%
Special notes for this issue/备注 (Optional / 选填)