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Roots library
Dan Kranz edited this page Nov 22, 2020
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The Roots library is a collection of data handling functions that facilitate construction of an in-memory database.
| Function | Description |
|---|---|
| bunpac() | Unpack a binary integer stored within a block field |
| colect() | Group sorted dataset items |
| conlst() | Concatenate two lists |
| delent() | Remove lines from a block |
| delentArray() | Remove elements from an array |
| grpcum() | Sum the integer values of block field lines |
| grplcm() | Sum the floating point values of block field lines |
| idxmap() | Set map entries to 1 for non-zero block field line values |
| laybit() | Generate field definitions by scanning a bit string |
| lgand() | Create a set intersection |
| lgexcl() | Remove the members of one set from another |
| lgmap() | Transform block field based on an array of rank values |
| lgmove() | Move bytes within a block |
| lgor() | Create a set union |
| list1() | Convert a sort order array into a list |
| mrsort() | Sort a dataset |
| pacbin() | Pack an integer number into a block field |
| paclst() | Pack an integer into each line of a block list |
| paclstArray() | Save a number into each array element identified by a list |
| pacrel() | Pack a floating point number into a block field |
| pcrlst() | Pack a floating point number into each line of a block list |
| rgrprn() | Floating point number range prune performed on a block |
| rngprn() | Integer range prune performed on a block |
| rngprnArray() | Integer range prune performed on an array |
| runpac() | Unpack a floating point number from a block field |
| scanpr() | Scanning prune of a block |
| scanprArray() | Scanning prune of an array |
| seqlst() | Prime a new list |
| setbit() | Set bit positions to 1 for all lines in a list |
| setone() | Set bit fields to 1 |
| setprn() | Split a list into two lists |
| setzer() | Set bit fields to 0 |
| srmoveArray() | Rearrange array elements |
| strprn() | Prune a block by bit-string |
| txtprn() | Prune a block by text value |
| txtprnArrayCol() | Prune an array by text value |
| transfer() | Extend an Uint8Array |
| xpand() | Extend an array |
| zerout() | Zero out an array |