Examples with DoubleBuffer java.nio.DoubleBuffer used on opensource projects

Example 36 with DoubleBuffer

use of java.nio.DoubleBuffer in project angel by Tencent.

the class Expm1 method doUpdate.

@Override
protected void doUpdate(ServerDenseDoubleRow[] rows) {
    try {
        rows[1].getLock().writeLock().lock();
        DoubleBuffer from = rows[0].getData();
        DoubleBuffer to = rows[1].getData();
        int size = rows[0].size();
        for (int i = 0; i < size; i++) {
            to.put(i, Math.expm1(from.get(i)));
        }
    } finally {
        rows[1].getLock().writeLock().unlock();
    }
}

Example 37 with DoubleBuffer

use of java.nio.DoubleBuffer in project angel by Tencent.

the class Log method doUpdate.

@Override
protected void doUpdate(ServerDenseDoubleRow[] rows) {
    try {
        rows[1].getLock().writeLock().lock();
        DoubleBuffer from = rows[0].getData();
        DoubleBuffer to = rows[1].getData();
        int size = rows[0].size();
        for (int i = 0; i < size; i++) {
            to.put(i, Math.log(from.get(i)));
        }
    } finally {
        rows[1].getLock().writeLock().unlock();
    }
}

Example 38 with DoubleBuffer

use of java.nio.DoubleBuffer in project angel by Tencent.

the class Log10 method doUpdate.

@Override
protected void doUpdate(ServerDenseDoubleRow[] rows) {
    try {
        rows[1].getLock().writeLock().lock();
        DoubleBuffer from = rows[0].getData();
        DoubleBuffer to = rows[1].getData();
        int size = rows[0].size();
        for (int i = 0; i < size; i++) {
            to.put(i, Math.log10(from.get(i)));
        }
    } finally {
        rows[1].getLock().writeLock().unlock();
    }
}

Example 39 with DoubleBuffer

use of java.nio.DoubleBuffer in project angel by Tencent.

the class Log1p method doUpdate.

@Override
protected void doUpdate(ServerDenseDoubleRow[] rows) {
    try {
        rows[1].getLock().writeLock().lock();
        DoubleBuffer from = rows[0].getData();
        DoubleBuffer to = rows[1].getData();
        int size = rows[0].size();
        for (int i = 0; i < size; i++) {
            to.put(i, Math.log1p(from.get(i)));
        }
    } finally {
        rows[1].getLock().writeLock().unlock();
    }
}

Example 40 with DoubleBuffer

use of java.nio.DoubleBuffer in project angel by Tencent.

the class MaxV method doUpdate.

@Override
protected void doUpdate(ServerDenseDoubleRow[] rows) {
    try {
        rows[2].getLock().writeLock().lock();
        DoubleBuffer from1 = rows[0].getData();
        DoubleBuffer from2 = rows[1].getData();
        DoubleBuffer to = rows[2].getData();
        int size = rows[0].size();
        for (int i = 0; i < size; i++) {
            to.put(i, Math.max(from1.get(i), from2.get(i)));
        }
    } finally {
        rows[2].getLock().writeLock().unlock();
    }
}