matrixUpdateColumn

Functions
template<domain D :shared3p >
D float32	matrixUpdateColumn (D float32[[2]] mat, D uint colIndex, D float32[[1]] newCol)
template<domain D :shared3p >
D float64	matrixUpdateColumn (D float64[[2]] mat, D uint colIndex, D float64[[1]] newCol)

Detailed Description

Function for obliviously updating a column in the input matrix.

Note

D - shared3p protection domain

Supported types - float32 / float64

Parameters

mat	- a matrix of supported type
colIndex	- an uint type scalar for specifying the column to replace
newCol	- a vector with new values

Returns

returns a matrix where the column at colIndex has been replaced with newCol

Leakage

None

Function Documentation

matrixUpdateColumn() [1/2]

D float32 matrixUpdateColumn	(	D float32[[2]]	mat,
		D uint	colIndex,
		D float32[[1]]	newCol
	)

matrixUpdateColumn() [2/2]

D float64 matrixUpdateColumn	(	D float64[[2]]	mat,
		D uint	colIndex,
		D float64[[1]]	newCol
	)