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Document in-place matrix addition, subtraction, and scaling #337

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5ecb0ab
Document matrix in-place operations
sylvesterkaczmarek Aug 22, 2026
4838c58
Merge branch 'main' into docs/matrix-in-place-44
sylvesterkaczmarek Oct 1, 2026
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5 changes: 5 additions & 0 deletions Source/MatrixFunctions/arm_mat_add_f32.c
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Expand Up @@ -64,6 +64,11 @@
The functions check to make sure that
<code>pSrcA</code>, <code>pSrcB</code>, and <code>pDst</code> have the same
number of rows and columns.

@par In-place operation
The destination matrix may be the same instance as either input matrix.
Its data buffer may also be identical to either source data buffer. Other
overlapping buffer arrangements are not supported.
*/

/**
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5 changes: 5 additions & 0 deletions Source/MatrixFunctions/arm_mat_scale_f32.c
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Expand Up @@ -66,6 +66,11 @@
<pre>
scale = scaleFract * 2^shift.
</pre>

@par In-place operation
The destination matrix may be the same instance as the input matrix. Its
data buffer may also be identical to the source data buffer. Other
overlapping buffer arrangements are not supported.
*/

/**
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5 changes: 5 additions & 0 deletions Source/MatrixFunctions/arm_mat_sub_f32.c
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Expand Up @@ -63,6 +63,11 @@
The functions check to make sure that
<code>pSrcA</code>, <code>pSrcB</code>, and <code>pDst</code> have the same
number of rows and columns.

@par In-place operation
The destination matrix may be the same instance as either input matrix.
Its data buffer may also be identical to either source data buffer. Other
overlapping buffer arrangements are not supported.
*/

/**
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