add code comments for deepSwap

5de5453d · xutianbing · c7f96de1 · 5de5453d
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内联并排

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paddle/math/BaseMatrix.h paddle/math/BaseMatrix.h +4 -0

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--- a/paddle/math/BaseMatrix.h
+++ b/paddle/math/BaseMatrix.h
@@ -458,6 +458,10 @@ public:
  /**
   * @code
   * swap(this, b)
+   * example: swap two Matrices
+   * MatrixPtr cpuA = std::make_shared<CpuMatrix>(height, width);
+   * MatrixPtr cpuB = std::make_shared<CpuMatrix>(height, width);
+   * cpuA->deepSwap(*cpuB);
   * @endcode
   */
  void deepSwap(BaseMatrixT& b);