【Complex op】No.21 add complex support for mm

[DrRyanHuang]

PR types

New features

PR changes

OPs

Description

add complex support for mm

改动：

• op mm 的前向及反向 kernel 已经支持复数类型，无需改动

• 在 mm api 的类型校验中增加了复数

• 改写 op mm 的复数单测

• 【complex op】paddlepaddle 支持复数 #56145

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[DrRyanHuang]

428 - test_resnet (Failed) 这个单测始终过不去😭😭😭😭😭

2023-08-20 18:07:13 ImportError: Failed importing scipy.io. 
This likely means that some paddle modules require additional 
dependencies that have to be manually installed (usually with `pip install scipy`). 

[luotao1]

#56465 (comment) Mac流水线的这个单测是随机挂，可以不用处理
@ScottWong98 这个PR可以review了

[ScottWong98]

再添加一下 GPU 上的测试样例吧，目前的 cases 里好像全都是在 CPU 上的。另外可以继承 TestMulOp 再添加一个样例，check 一下 grad

[paddle-ci-bot]

Sorry to inform you that 13f802d's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually.