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/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    Licensed under the Apache License, Version 2.0 (the "License");
 *  *    you may not use this file except in compliance with the License.
 *  *    You may obtain a copy of the License at
 *  *
 *  *        http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  *    Unless required by applicable law or agreed to in writing, software
 *  *    distributed under the License is distributed on an "AS IS" BASIS,
 *  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  *    See the License for the specific language governing permissions and
 *  *    limitations under the License.
 *
 *
 */

package jcuda.jcufft;

/**
 * The result of a CUFFT operation
 */
public class cufftResult
{
    /**
     * Any CUFFT operation is successful.
     */
    public static final int CUFFT_SUCCESS = 0;
    
    /**
     * CUFFT is passed an invalid plan handle.
     */
    public static final int CUFFT_INVALID_PLAN = 1;
    
    /**
     * CUFFT failed to allocate GPU memory.
     */
    public static final int CUFFT_ALLOC_FAILED = 2;
    
    /**
     * The user requests an unsupported type.
     */
    public static final int CUFFT_INVALID_TYPE = 3;
    
    /**
     * The user specifies a bad memory pointer.
     */
    public static final int CUFFT_INVALID_VALUE = 4;
    
    /**
     * Used for all internal driver errors.
     */
    public static final int CUFFT_INTERNAL_ERROR = 5;
    
    /**
     * CUFFT failed to execute an FFT on the GPU.
     */
    public static final int CUFFT_EXEC_FAILED = 6;
    
    /**
     * The CUFFT library failed to initialize.
     */
    public static final int CUFFT_SETUP_FAILED = 7;
    
    /**
     * The user specifies an unsupported FFT size.
     */
    public static final int CUFFT_INVALID_SIZE = 8;

    /**
     * Unaligned data
     */
    public static final int CUFFT_UNALIGNED_DATA = 9;

    /**
     * Incomplete parameter list
     */
    public static final int CUFFT_INCOMPLETE_PARAMETER_LIST = 0xA;
    
    /**
     * Invalid device
     */
    public static final int CUFFT_INVALID_DEVICE = 0xB;
    
    /**
     * Parse error
     */
    public static final int CUFFT_PARSE_ERROR = 0xC;
    
    /**
     * No workspace
     */
    public static final int CUFFT_NO_WORKSPACE = 0xD;
    
    /**
     * Not implemented
     */
    public static final int CUFFT_NOT_IMPLEMENTED = 0xE;
                    
    /**
     * License error
     */
    public static final int CUFFT_LICENSE_ERROR = 0x0F;
    
    /**
     * An internal JCufft error occurred
     */
    public static final int JCUFFT_INTERNAL_ERROR = 0xFF;

    /**
     * Returns the String identifying the given cufftResult
     * 
     * @param m The cufftResult
     * @return The String identifying the given cufftResult
     */
    public static String stringFor(int m)
    {
        switch (m)
        {
            case CUFFT_SUCCESS : return "CUFFT_SUCCESS";
            case CUFFT_INVALID_PLAN : return "CUFFT_INVALID_PLAN";
            case CUFFT_ALLOC_FAILED : return "CUFFT_ALLOC_FAILED";
            case CUFFT_INVALID_TYPE : return "CUFFT_INVALID_TYPE";
            case CUFFT_INVALID_VALUE : return "CUFFT_INVALID_VALUE";
            case CUFFT_INTERNAL_ERROR : return "CUFFT_INTERNAL_ERROR";
            case CUFFT_EXEC_FAILED : return "CUFFT_EXEC_FAILED";
            case CUFFT_SETUP_FAILED : return "CUFFT_SETUP_FAILED";
            case CUFFT_INVALID_SIZE : return "CUFFT_INVALID_SIZE";
            case CUFFT_UNALIGNED_DATA : return "CUFFT_UNALIGNED_DATA";
            case CUFFT_INCOMPLETE_PARAMETER_LIST : return "CUFFT_INCOMPLETE_PARAMETER_LIST";
            case CUFFT_INVALID_DEVICE : return "CUFFT_INVALID_DEVICE";
            case CUFFT_PARSE_ERROR : return "CUFFT_PARSE_ERROR";
            case CUFFT_NO_WORKSPACE : return "CUFFT_NO_WORKSPACE";
            case CUFFT_NOT_IMPLEMENTED : return "CUFFT_NOT_IMPLEMENTED";
            case CUFFT_LICENSE_ERROR : return "CUFFT_LICENSE_ERROR";
            case JCUFFT_INTERNAL_ERROR : return "JCUFFT_INTERNAL_ERROR";
        }
        return "INVALID cufftResult: " + m;
    }
    
    /**
     * Private constructor to prevent instantiation.
     */
    private cufftResult()
    {
    }
    
}