public static int fnFIE_fft_inv_CtoC_out(
	FHANDLE hFFT,
	FCOMPLEX_PTR vpSrc,
	FCOMPLEX_PTR vpDst,
	int iOrder
)

Public Shared Function fnFIE_fft_inv_CtoC_out ( 
	hFFT As FHANDLE,
	vpSrc As FCOMPLEX_PTR,
	vpDst As FCOMPLEX_PTR,
	iOrder As Integer
) As Integer

//    $Revision: 1.1 $

using System;
using System.Collections.Generic;
using System.Text;
using fvalgcli;

namespace TC
{
    public partial class FIE
    {
        /// <summary>
        /// interleaved format の複素数データの１次元逆フーリエ変換(アウトプレース処理).
        /// </summary>
        [FvPluginExecute]
        public void fnFIE_fft_inv_CtoC_out()
        {
            int status = (int)f_err.F_ERR_NONE;

            int iOrder = 5;                            // データ長の次数.
            int length = 1 << iOrder;                // 入力データの長さ.
            FHANDLE hFFT = FHANDLE.Zero;            // FFTハンドル.
            FCOMPLEX_PTR pDataSrc = FCOMPLEX_PTR.Zero;    // 入力データ.
            FCOMPLEX_PTR pDataDst = FCOMPLEX_PTR.Zero;    // 出力データ.

            try
            {
                // データの作成.
                pDataSrc = FCOMPLEX_PTR.alloc(length);
                for (int i = 0; i < length; i++)
                {
                    double image = (double)i * 10 + 0.1;
                    double real = (double)i * 10 + 0.2;
                    pDataSrc[i] = FCOMPLEX.init(real, image);
                }

                pDataDst = FCOMPLEX_PTR.alloc(length);
                for (int i = 0; i < length; i++)
                {
                    pDataDst[i] = FCOMPLEX.init(0.0, 0.0);
                }

                // FFTハンドルの初期化.
                status = api.fnFIE_fft_1D_alloc(ref hFFT, iOrder, f_fft_direction.F_FFT_FORWARD, f_fft_normalize_type.F_FFT_DIV_BY_SQRTN, f_fft_data_type.F_1D_FFT_FCOMPLEX, f_fft_data_type.F_1D_FFT_FCOMPLEX);
                Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status);

                // 処理の実行.
                status = api.fnFIE_fft_inv_CtoC_out(hFFT, pDataSrc, pDataDst, iOrder);

                // エラー判定.
                Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status);

                // 結果比較.
                bool result = false;
                for (int i = 0; i < length; i++)
                {
                    if (pDataSrc[i].real != pDataDst[i].real
                        || pDataSrc[i].image != pDataDst[i].image)
                    {
                        result = true;
                        break;
                    }
                }
                if (!result)
                {
                    Assert.Fail("処理前と値が変わっていません");
                }
            }
            finally
            {
                // オブジェクトの開放. 
                hFFT.Dispose();
                pDataSrc.Dispose();
                pDataDst.Dispose();
            }
        }
    }
}

'    $Revision: 1.1 $

Imports System.Collections.Generic
Imports System.Text
Imports fvalgcli

Public Partial Class FIE
    ''' <summary>
    ''' interleaved format の複素数データの１次元逆フーリエ変換(アウトプレース処理).
    ''' </summary>
    <FvPluginExecute> _
    Public Sub fnFIE_fft_inv_CtoC_out()
        Dim status As Integer = CInt(f_err.F_ERR_NONE)

        Dim iOrder As Integer = 5
        ' データ長の次数.
        Dim length As Integer = 1 << iOrder
        ' 入力データの長さ.
        Dim hFFT As FHANDLE = FHANDLE.Zero
        ' FFTハンドル.
        Dim pDataSrc As FCOMPLEX_PTR = FCOMPLEX_PTR.Zero
        ' 入力データ.
        Dim pDataDst As FCOMPLEX_PTR = FCOMPLEX_PTR.Zero
        ' 出力データ.
        Try
            ' データの作成.
            pDataSrc = FCOMPLEX_PTR.alloc(length)
            For i As Integer = 0 To length - 1
                Dim image As Double = CDbl(i) * 10 + 0.1
                Dim real As Double = CDbl(i) * 10 + 0.2
                pDataSrc(i) = FCOMPLEX.init(real, image)
            Next

            pDataDst = FCOMPLEX_PTR.alloc(length)
            For i As Integer = 0 To length - 1
                pDataDst(i) = FCOMPLEX.init(0.0, 0.0)
            Next

            ' FFTハンドルの初期化.
            status = api.fnFIE_fft_1D_alloc(hFFT, iOrder, f_fft_direction.F_FFT_FORWARD, f_fft_normalize_type.F_FFT_DIV_BY_SQRTN, f_fft_data_type.F_1D_FFT_FCOMPLEX, f_fft_data_type.F_1D_FFT_FCOMPLEX)
            Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err))

            ' 処理の実行.
            status = api.fnFIE_fft_inv_CtoC_out(hFFT, pDataSrc, pDataDst, iOrder)

            ' エラー判定.
            Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err))

            ' 結果比較.
            Dim result As Boolean = False
            For i As Integer = 0 To length - 1
                If pDataSrc(i).real <> pDataDst(i).real OrElse pDataSrc(i).image <> pDataDst(i).image Then
                    result = True
                    Exit For
                End If
            Next
            If Not result Then
                Assert.Fail("処理前と値が変わっていません")
            End If
        Finally
            ' オブジェクトの開放. 
            hFFT.Dispose()
            pDataSrc.Dispose()
            pDataDst.Dispose()
        End Try
    End Sub
End Class