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### 9.196 `MERGE_BITS`

— Merge of bits under mask

*Description*:`MERGE_BITS(I, J, MASK)`

merges the bits of`I`and`J`as determined by the mask. The i-th bit of the result is equal to the i-th bit of`I`if the i-th bit of`MASK`is 1; it is equal to the i-th bit of`J`otherwise.*Standard*:Fortran 2008 and later

*Class*:Elemental function

*Syntax*:`RESULT = MERGE_BITS(I, J, MASK)`

*Arguments*:`I`Shall be of type `INTEGER`

or a boz-literal-constant.`J`Shall be of type `INTEGER`

with the same kind type parameter as`I`or a boz-literal-constant.`I`and`J`shall not both be boz-literal-constants.`MASK`Shall be of type `INTEGER`

or a boz-literal-constant and of the same kind as`I`.*Return value*:The result is of the same type and kind as

`I`.