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argmax/argmin: honor keepdim when axis is None #11

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argmax/argmin: honor keepdim when axis is None #11

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2 changes: 1 addition & 1 deletion tinygrad/mixin/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -790,7 +790,7 @@ def argmax(self, axis=None, keepdim=False) -> Self:
print(t.argmax(axis=1).numpy()) # Returns the indices of the maximum values along axis 1.
```
"""
if axis is None: return self.flatten().argmax(0)
if axis is None: return self.flatten().argmax(0).reshape((1,)*self.ndim if keepdim else ())
axis = self._resolve_dim(axis)
m = self.eq(self.max(axis=axis, keepdim=True))
idx = m * type(self).arange(self.shape[axis], 0, -1, device=self.device).reshape(self.shape[axis], *[1]*(self.ndim-axis-1))
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