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[0-size Tensor No.144] Add 0-size Tensor support for paddle.nextafter API. #73008

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Merged
merged 8 commits into from
Jun 10, 2025
+35 −0
Merged

[0-size Tensor No.144] Add 0-size Tensor support for paddle.nextafter API. #73008

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ad01518
fix
enkilee May 29, 2025
5daf7d9
add test
enkilee May 29, 2025
950c05c
fix
enkilee Jun 3, 2025
8cd54e8
merge and fix
enkilee Jun 6, 2025
068a0fe
Merge branch 'develop' into 0size-144-nextafter
enkilee Jun 6, 2025
e0a32aa
fix error
enkilee Jun 6, 2025
847fef5
fix error
enkilee Jun 6, 2025
8a159bf
fix error
enkilee Jun 6, 2025
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5 changes: 5 additions & 0 deletions paddle/phi/kernels/impl/nextafter_kernel_impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,11 @@ void NextafterKernel(const Context& ctx,
const DenseTensor& x,
const DenseTensor& y,
DenseTensor* out) {
if (x.numel() == 0 || y.numel() == 0) {
ctx.template Alloc<typename NextafterOut<T>::type>(out);
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用这个分配即可ctx.template Alloc<T>(out);; typename NextafterOut<T>::type影响可阅读性

return;
}

auto* out_data = ctx.template Alloc<T>(out);
auto x_data = x.data<T>();
auto y_data = y.data<T>();
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26 changes: 26 additions & 0 deletions test/legacy_test/test_nextafter_op.py
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Expand Up @@ -114,5 +114,31 @@ def init_dtype(self):
self.dtype = np.float32


class TestNextafterOPZeroDim1(TestNextafterOP):
def setUp(self):
self.op_type = "nextafter"
self.python_api = paddle.nextafter
self.init_dtype()

x = np.random.rand(0, 3, 2).astype(self.dtype)
y = np.random.rand(0, 3, 2).astype(self.dtype)
out = np.nextafter(x, y)
self.inputs = {'x': x, 'y': y}
self.outputs = {'out': out}


class TestNextafterOPZeroDim2(TestNextafterOP):
def setUp(self):
self.op_type = "nextafter"
self.python_api = paddle.nextafter
self.init_dtype()

x = np.random.rand(4, 0, 2).astype(self.dtype)
y = np.random.rand(4, 0, 2).astype(self.dtype)
out = np.nextafter(x, y)
self.inputs = {'x': x, 'y': y}
self.outputs = {'out': out}


if __name__ == "__main__":
unittest.main()
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