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1 files changed, 2 insertions, 2 deletions
diff --git a/doc/api.md b/doc/api.md
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@@ -3015,7 +3015,7 @@ Requirements for OMATCOPY:
xIM2COL: Im2col function (non-BLAS function)
-------------
-Performs the im2col algorithm, in which _im_ is the input matrix and _col_ is the output matrix.
+Performs the im2col algorithm, in which _im_ is the input matrix and _col_ is the output matrix. Overwrites any existing values in the _col_ buffer
C++ API:
```
@@ -3075,7 +3075,7 @@ Arguments to IM2COL:
xCOL2IM: Col2im function (non-BLAS function)
-------------
-Performs the col2im algorithm, in which _col_ is the input matrix and _im_ is the output matrix.
+Performs the col2im algorithm, in which _col_ is the input matrix and _im_ is the output matrix. Accumulates results on top of the existing values in the _im_ buffer.
C++ API:
```