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0001 /*
0002   Copyright @ 2009 ImageMagick Studio LLC, a non-profit organization
0003   dedicated to making software imaging solutions freely available.
0004   
0005   You may not use this file except in compliance with the License.  You may
0006   obtain a copy of the License at
0007   
0008     https://imagemagick.org/script/license.php
0009   
0010   Unless required by applicable law or agreed to in writing, software
0011   distributed under the License is distributed on an "AS IS" BASIS,
0012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0013   See the License for the specific language governing permissions and
0014   limitations under the License.
0015 
0016   MagickCore discrete Fourier transform (DFT) methods.
0017 */
0018 #ifndef MAGICKCORE_FFT_H
0019 #define MAGICKCORE_FFT_H
0020 
0021 #if defined(__cplusplus) || defined(c_plusplus)
0022 extern "C" {
0023 #endif
0024 
0025 typedef enum
0026 {
0027   UndefinedComplexOperator,
0028   AddComplexOperator,
0029   ConjugateComplexOperator,
0030   DivideComplexOperator,
0031   MagnitudePhaseComplexOperator,
0032   MultiplyComplexOperator,
0033   RealImaginaryComplexOperator,
0034   SubtractComplexOperator
0035 } ComplexOperator;
0036 
0037 extern MagickExport Image
0038  *ComplexImages(const Image *,const ComplexOperator,ExceptionInfo *),
0039  *ForwardFourierTransformImage(const Image *,const MagickBooleanType,
0040    ExceptionInfo *),
0041  *InverseFourierTransformImage(const Image *,const Image *,
0042    const MagickBooleanType,ExceptionInfo *);
0043 
0044 #if defined(__cplusplus) || defined(c_plusplus)
0045 }
0046 #endif
0047 
0048 #endif