nd4j-backends/nd4j-backend-impls/nd4j-native/src/main/java/org/nd4j/linalg/cpu/nativecpu/ops/NativeOpExecutioner.java
@Override
    public INDArray exec(RandomOp op, Random rng) {
        if (rng.getStateBuffer() == null)
            throw new IllegalStateException(
                    "You should use one of NativeRandom classes for NativeOperations execution");

        long st = profilingHookIn(op);

        validateDataType(Nd4j.dataType(), op);

        if (op.x() != null && op.y() != null && op.z() != null) {
            // triple arg call
            if (Nd4j.dataType() == DataBuffer.Type.FLOAT) {
                loop.execRandomFloat(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (FloatPointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.y().data().addressPointer(),
                        (LongPointer) op.y().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.extraArgsDataBuff().addressPointer());
            } else if (Nd4j.dataType() == DataBuffer.Type.DOUBLE) {
                loop.execRandomDouble(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (DoublePointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.y().data().addressPointer(),
                        (LongPointer) op.y().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.extraArgsDataBuff().addressPointer());
            }
        } else if (op.x() != null && op.z() != null) {
            //double arg call
            if (Nd4j.dataType() == DataBuffer.Type.FLOAT) {
                loop.execRandomFloat(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (FloatPointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.extraArgsDataBuff().addressPointer());
            } else if (Nd4j.dataType() == DataBuffer.Type.DOUBLE) {
                loop.execRandomDouble(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (DoublePointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.extraArgsDataBuff().addressPointer());
            }

        } else {
            // single arg call

            if (Nd4j.dataType() == DataBuffer.Type.FLOAT) {
                loop.execRandomFloat(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (FloatPointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.extraArgsDataBuff().addressPointer());
            } else if (Nd4j.dataType() == DataBuffer.Type.DOUBLE) {
                loop.execRandomDouble(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (DoublePointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.extraArgsDataBuff().addressPointer());
            }
        }

        profilingHookOut(op, st);

        return op.z();
    }
@Override
    public INDArray exec(RandomOp op, Random rng) {
        if (rng.getStateBuffer() == null)
            throw new IllegalStateException(
                    "You should use one of NativeRandom classes for NativeOperations execution");

        long st = profilingHookIn(op);

        validateDataType(Nd4j.dataType(), op);

        if (op.x() != null && op.y() != null && op.z() != null) {
            // triple arg call
            if (Nd4j.dataType() == DataBuffer.Type.FLOAT) {
                loop.execRandomFloat(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (FloatPointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.y().data().addressPointer(),
                        (LongPointer) op.y().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.extraArgsDataBuff().addressPointer());
            } else if (Nd4j.dataType() == DataBuffer.Type.DOUBLE) {
                loop.execRandomDouble(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (DoublePointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.y().data().addressPointer(),
                        (LongPointer) op.y().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.extraArgsDataBuff().addressPointer());
            }
        } else if (op.x() != null && op.z() != null) {
            //double arg call
            if (Nd4j.dataType() == DataBuffer.Type.FLOAT) {
                loop.execRandomFloat(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (FloatPointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.extraArgsDataBuff().addressPointer());
            } else if (Nd4j.dataType() == DataBuffer.Type.DOUBLE) {
                loop.execRandomDouble(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (DoublePointer) op.x().data().addressPointer(),
                        (LongPointer) op.x().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.extraArgsDataBuff().addressPointer());
            }

        } else {
            // single arg call

            if (Nd4j.dataType() == DataBuffer.Type.FLOAT) {
                loop.execRandomFloat(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (FloatPointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (FloatPointer) op.extraArgsDataBuff().addressPointer());
            } else if (Nd4j.dataType() == DataBuffer.Type.DOUBLE) {
                loop.execRandomDouble(null, op.opNum(), rng.getStatePointer(), // rng state ptr
                        (DoublePointer) op.z().data().addressPointer(),
                        (LongPointer) op.z().shapeInfoDataBuffer().addressPointer(),
                        (DoublePointer) op.extraArgsDataBuff().addressPointer());
            }
        }

        profilingHookOut(op, st);

        return op.z();
    }
@ Override public INDArray exec ( RandomOp op , Random rng ) { if ( rng . getStateBuffer ( ) == null ) throw new IllegalStateException ( "You should use one of NativeRandom classes for NativeOperations execution" ) ; long st = profilingHookIn ( op ) ; validateDataType ( Nd4j . dataType ( ) , op ) ; if ( op . x ( ) != null && op . y ( ) != null && op . z ( ) != null ) { // triple arg call if ( Nd4j . dataType ( ) == DataBuffer . Type . FLOAT ) { loop . execRandomFloat ( null , op . opNum ( ) , rng . getStatePointer ( ) , // rng state ptr ( FloatPointer ) op . x ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . x ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( FloatPointer ) op . y ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . y ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( FloatPointer ) op . z ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . z ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( FloatPointer ) op . extraArgsDataBuff ( ) . addressPointer ( ) ) ; } else if ( Nd4j . dataType ( ) == DataBuffer . Type . DOUBLE ) { loop . execRandomDouble ( null , op . opNum ( ) , rng . getStatePointer ( ) , // rng state ptr ( DoublePointer ) op . x ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . x ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( DoublePointer ) op . y ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . y ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( DoublePointer ) op . z ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . z ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( DoublePointer ) op . extraArgsDataBuff ( ) . addressPointer ( ) ) ; } } else if ( op . x ( ) != null && op . z ( ) != null ) { //double arg call if ( Nd4j . dataType ( ) == DataBuffer . Type . FLOAT ) { loop . execRandomFloat ( null , op . opNum ( ) , rng . getStatePointer ( ) , // rng state ptr ( FloatPointer ) op . x ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . x ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( FloatPointer ) op . z ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . z ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( FloatPointer ) op . extraArgsDataBuff ( ) . addressPointer ( ) ) ; } else if ( Nd4j . dataType ( ) == DataBuffer . Type . DOUBLE ) { loop . execRandomDouble ( null , op . opNum ( ) , rng . getStatePointer ( ) , // rng state ptr ( DoublePointer ) op . x ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . x ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( DoublePointer ) op . z ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . z ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( DoublePointer ) op . extraArgsDataBuff ( ) . addressPointer ( ) ) ; } } else { // single arg call if ( Nd4j . dataType ( ) == DataBuffer . Type . FLOAT ) { loop . execRandomFloat ( null , op . opNum ( ) , rng . getStatePointer ( ) , // rng state ptr ( FloatPointer ) op . z ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . z ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( FloatPointer ) op . extraArgsDataBuff ( ) . addressPointer ( ) ) ; } else if ( Nd4j . dataType ( ) == DataBuffer . Type . DOUBLE ) { loop . execRandomDouble ( null , op . opNum ( ) , rng . getStatePointer ( ) , // rng state ptr ( DoublePointer ) op . z ( ) . data ( ) . addressPointer ( ) , ( LongPointer ) op . z ( ) . shapeInfoDataBuffer ( ) . addressPointer ( ) , ( DoublePointer ) op . extraArgsDataBuff ( ) . addressPointer ( ) ) ; } } profilingHookOut ( op , st ) ; return op . z ( ) ; }
This method executes specific
RandomOp against specified RNG

@param op
@param rng
This method executes specific RandomOp against specified RNG