Vijay Janapa Reddi 5ab8a0ecec fix: resolve 02_activations external test failures with polymorphic activations ...

🔧 Issues Fixed:
1. MockTensor compatibility: Activations now return same type as input (polymorphic)
2. Empty input handling: Softmax gracefully handles zero-size arrays

✅ Impact: 02_activations external tests now pass 34/34 (was 32/34)

🎯 Technical Changes:
- Changed activation signatures from Tensor -> Tensor to flexible types
- Use type(x)(result) instead of hardcoded Tensor(result)
- Added empty input guard in Softmax: if x.data.size == 0: return type(x)(x.data.copy())
- Applied consistent pattern across ReLU, Sigmoid, Tanh, Softmax

This makes activations more robust and testable without tight coupling to Tensor implementation.

2025-07-13 22:05:50 -04:00

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fix: resolve 02_activations external test failures with polymorphic activations

2025-07-13 22:05:50 -04:00