Examples with Range edu.rit.util.Range used on opensource projects

Example 26 with Range

use of edu.rit.util.Range in project ffx by mjschnie.

the class ShortBuf method rowSliceBuffer.

/**
 * Create a buffer for one row slice of the given short matrix. The returned
 * buffer encompasses <TT>theRowRange</TT> of rows, and all the columns, in
 * <TT>theMatrix</TT>. The range's stride may be 1 or greater than 1.
 *
 * @param theMatrix Matrix.
 * @param theRowRange Range of rows to include.
 * @return Buffer.
 * @exception NullPointerException (unchecked exception) Thrown if
 * <TT>theMatrix</TT> is null or
 * <TT>theRowRange</TT> is null.
 * @exception IndexOutOfBoundsException (unchecked exception) Thrown if
 * <TT>theMatrix</TT>'s allocation does not include <TT>theRowRange</TT>.
 */
public static ShortBuf rowSliceBuffer(short[][] theMatrix, Range theRowRange) {
    if (theMatrix == null) {
        throw new NullPointerException("ShortBuf.rowSliceBuffer(): theMatrix is null");
    }
    int nr = Arrays.rowLength(theMatrix);
    if (0 > theRowRange.lb() || theRowRange.ub() >= nr) {
        throw new IndexOutOfBoundsException("ShortBuf.rowSliceBuffer(): theMatrix row index range = 0.." + (nr - 1) + ", theRowRange = " + theRowRange);
    }
    int nc = Arrays.colLength(theMatrix, theRowRange.lb());
    if (theRowRange.stride() == 1) {
        return new ShortMatrixBuf_1(theMatrix, theRowRange, new Range(0, nc - 1));
    } else {
        return new ShortMatrixBuf(theMatrix, theRowRange, new Range(0, nc - 1));
    }
}

Example 27 with Range

use of edu.rit.util.Range in project ffx by mjschnie.

the class ParallelRegion method execute.

/**
 * Execute a parallel for loop within this parallel region. For further
 * information, see class {@linkplain IntegerForLoop}. The loop index goes
 * from <TT>first</TT> (inclusive) to <TT>last</TT> (inclusive) in steps of
 * +1. If <TT>first</TT> is greater than <TT>last</TT>, then no loop
 * iterations are performed. At the end of the parallel for loop, the
 * parallel team threads encounter a barrier, and their behavior depends on
 * the given {@linkplain BarrierAction}.
 * <P>
 * <I>Note:</I> Either all threads in the parallel team must call the
 * <TT>execute()</TT> method with identical arguments, or none of the
 * threads must call the <TT>execute()</TT> method.
 *
 * @param first First loop index.
 * @param last Last loop index.
 * @param theLoop Parallel for loop.
 * @param action Barrier action.
 * @exception NullPointerException (unchecked exception) Thrown if
 * <TT>theLoop</TT> is null. Thrown if
 * <TT>action</TT> is null.
 * @exception IllegalStateException (unchecked exception) Thrown if no
 * parallel team is executing this parallel region.
 * @exception Exception Thrown if one of <TT>theLoop</TT>'s methods throws
 * an exception.
 * @throws java.lang.Exception if any.
 */
public final void execute(int first, int last, IntegerForLoop theLoop, BarrierAction action) throws Exception {
    // Verify preconditions.
    if (theLoop == null) {
        throw new NullPointerException("ParallelRegion.execute(): Parallel for loop is null");
    }
    if (action == null) {
        throw new NullPointerException("ParallelRegion.execute(): Barrier action is null");
    }
    if (myTeam == null) {
        throw new IllegalStateException("ParallelRegion.execute(): No parallel team executing");
    }
    try {
        // Record parallel team.
        theLoop.myTeam = this.myTeam;
        // Get current parallel team thread.
        ParallelTeamThread currentThread = getCurrentThread();
        int currentIndex = currentThread.myIndex;
        // Do top-of-parallel-construct processing.
        IntegerSchedule schedule = null;
        if (currentThread.arriveAtParallelConstruct()) {
            // each team thread.
            try {
                schedule = theLoop.schedule();
                schedule.commonStart(myTeam.K, new Range(first, last));
                for (ParallelTeamThread thread : myTeam.myThread) {
                    thread.setIntegerSchedule(schedule);
                }
            } catch (Throwable exc) {
                for (ParallelTeamThread thread : myTeam.myThread) {
                    thread.setConstructException(exc);
                }
            }
        }
        // Get the shared parallel for loop schedule object.
        schedule = currentThread.getIntegerSchedule();
        theLoop.mySchedule = schedule;
        // Prepare to catch exceptions thrown by the parallel for loop body.
        Throwable runException = null;
        try {
            // Perform per-thread initialization.
            theLoop.start();
            // Repeatedly get and process a chunk of loop iterations.
            Range chunk;
            while ((chunk = schedule.commonNext(currentIndex)) != null) {
                theLoop.commonRun(chunk.lb(), chunk.ub());
            }
            // Perform per-thread finalization.
            theLoop.finish();
        } catch (Throwable exc) {
            runException = exc;
            schedule.myBreak = true;
        }
        // Barrier synchronization.
        action.doBarrier(currentThread);
        // Propagate any exception thrown by the run() method.
        ParallelTeam.rethrow(runException);
    } finally {
        // Forget parallel team.
        theLoop.myTeam = null;
        theLoop.mySchedule = null;
    }
}

Example 28 with Range

use of edu.rit.util.Range in project ffx by mjschnie.

the class Signed8BitIntegerBuf method colSliceBuffer.

/**
 * Create a buffer for one column slice of the given integer matrix. The
 * returned buffer encompasses all the rows, and <TT>theColRange</TT> of
 * columns, in <TT>theMatrix</TT>. The range's stride may be 1 or greater
 * than 1.
 *
 * @param theMatrix Matrix.
 * @param theColRange Range of columns to include.
 * @return Buffer.
 * @exception NullPointerException (unchecked exception) Thrown if
 * <TT>theMatrix</TT> is null or
 * <TT>theColRange</TT> is null.
 * @exception IndexOutOfBoundsException (unchecked exception) Thrown if
 * <TT>theMatrix</TT>'s allocation does not include <TT>theColRange</TT>.
 */
public static Signed8BitIntegerBuf colSliceBuffer(int[][] theMatrix, Range theColRange) {
    if (theMatrix == null) {
        throw new NullPointerException("Signed8BitIntegerBuf.colSliceBuffer(): theMatrix is null");
    }
    int nr = Arrays.rowLength(theMatrix);
    int nc = Arrays.colLength(theMatrix, 0);
    if (0 > theColRange.lb() || theColRange.ub() >= nc) {
        throw new IndexOutOfBoundsException("Signed8BitIntegerBuf.colSliceBuffer(): theMatrix column index range = 0.." + (nc - 1) + ", theColRange = " + theColRange);
    }
    if (theColRange.stride() == 1) {
        return new Signed8BitIntegerMatrixBuf_1(theMatrix, new Range(0, nr - 1), theColRange);
    } else {
        return new Signed8BitIntegerMatrixBuf(theMatrix, new Range(0, nr - 1), theColRange);
    }
}

Example 29 with Range

use of edu.rit.util.Range in project ffx by mjschnie.

the class Signed8BitIntegerBuf method rowSliceBuffer.

/**
 * Create a buffer for one row slice of the given integer matrix. The
 * returned buffer encompasses <TT>theRowRange</TT> of rows, and all the
 * columns, in <TT>theMatrix</TT>. The range's stride may be 1 or greater
 * than 1.
 *
 * @param theMatrix Matrix.
 * @param theRowRange Range of rows to include.
 * @return Buffer.
 * @exception NullPointerException (unchecked exception) Thrown if
 * <TT>theMatrix</TT> is null or
 * <TT>theRowRange</TT> is null.
 * @exception IndexOutOfBoundsException (unchecked exception) Thrown if
 * <TT>theMatrix</TT>'s allocation does not include <TT>theRowRange</TT>.
 */
public static Signed8BitIntegerBuf rowSliceBuffer(int[][] theMatrix, Range theRowRange) {
    if (theMatrix == null) {
        throw new NullPointerException("Signed8BitIntegerBuf.rowSliceBuffer(): theMatrix is null");
    }
    int nr = Arrays.rowLength(theMatrix);
    if (0 > theRowRange.lb() || theRowRange.ub() >= nr) {
        throw new IndexOutOfBoundsException("Signed8BitIntegerBuf.rowSliceBuffer(): theMatrix row index range = 0.." + (nr - 1) + ", theRowRange = " + theRowRange);
    }
    int nc = Arrays.colLength(theMatrix, theRowRange.lb());
    if (theRowRange.stride() == 1) {
        return new Signed8BitIntegerMatrixBuf_1(theMatrix, theRowRange, new Range(0, nc - 1));
    } else {
        return new Signed8BitIntegerMatrixBuf(theMatrix, theRowRange, new Range(0, nc - 1));
    }
}

Example 30 with Range

use of edu.rit.util.Range in project ffx by mjschnie.

the class Signed8BitIntegerBuf method patchBuffers.

/**
 * Create an array of buffers for multiple patches of the given integer
 * matrix. The length of the returned buffer array is equal to the length of
 * <TT>theRowRanges</TT> times the length of <TT>theColRanges</TT>. Each
 * element of the returned buffer array encompasses the rows given in one
 * element of <TT>theRowRanges</TT> array, and the columns given in one
 * element of <TT>theColRanges</TT> array, in all possible combinations, of
 * <TT>theMatrix</TT>. Each range's stride may be 1 or greater than 1.
 *
 * @param theMatrix Matrix.
 * @param theRowRanges Array of ranges of rows to include.
 * @param theColRanges Array of ranges of columns to include.
 * @return Array of buffers.
 * @exception NullPointerException (unchecked exception) Thrown if
 * <TT>theMatrix</TT> is null,
 * <TT>theRowRanges</TT> or any element thereof is null, or
 * <TT>theColRanges</TT> or any element thereof is null.
 * @exception IndexOutOfBoundsException (unchecked exception) Thrown if
 * <TT>theMatrix</TT>'s allocation does not include any element of
 * <TT>theRowRanges</TT> or
 * <TT>theColRanges</TT>.
 */
public static Signed8BitIntegerBuf[] patchBuffers(int[][] theMatrix, Range[] theRowRanges, Range[] theColRanges) {
    int m = theRowRanges.length;
    int n = theColRanges.length;
    Signed8BitIntegerBuf[] result = new Signed8BitIntegerBuf[m * n];
    int k = 0;
    for (int i = 0; i < m; ++i) {
        Range rowrange = theRowRanges[i];
        for (int j = 0; j < n; ++j) {
            result[k++] = patchBuffer(theMatrix, rowrange, theColRanges[j]);
        }
    }
    return result;
}