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pl-nk v0.4.5
Plonk|Plink|Plank are a set of cross-platform C/C++ frameworks for audio software development
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00001 /* 00002 ------------------------------------------------------------------------------- 00003 This file is part of the Plink, Plonk, Plank libraries 00004 by Martin Robinson 00005 00006 http://code.google.com/p/pl-nk/ 00007 00008 Copyright University of the West of England, Bristol 2011-14 00009 All rights reserved. 00010 00011 Redistribution and use in source and binary forms, with or without 00012 modification, are permitted provided that the following conditions are met: 00013 00014 * Redistributions of source code must retain the above copyright 00015 notice, this list of conditions and the following disclaimer. 00016 * Redistributions in binary form must reproduce the above copyright 00017 notice, this list of conditions and the following disclaimer in the 00018 documentation and/or other materials provided with the distribution. 00019 * Neither the name of University of the West of England, Bristol nor 00020 the names of its contributors may be used to endorse or promote products 00021 derived from this software without specific prior written permission. 00022 00023 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00024 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00025 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00026 DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF THE WEST OF ENGLAND, BRISTOL BE 00027 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00028 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00029 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00031 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00032 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 00034 This software makes use of third party libraries. For more information see: 00035 doc/license.txt included in the distribution. 00036 ------------------------------------------------------------------------------- 00037 */ 00038 00039 #ifndef PLONK_FFTENGINE_H 00040 #define PLONK_FFTENGINE_H 00041 00042 #include "plonk_FFTEngineInternal.h" 00043 00045 template<class SampleType> 00046 class FFTEngineBase 00047 { 00048 private: 00049 FFTEngineBase(); 00050 }; 00051 00056 template<> 00057 class FFTEngineBase<float> : public SmartPointerContainer< FFTEngineInternal<float> > 00058 { 00059 public: 00060 typedef FFTEngineInternal<float> Internal; 00061 typedef SmartPointerContainer<Internal> Base; 00062 00066 FFTEngineBase (const long length = 0) throw() 00067 : Base (new Internal (length)) 00068 { 00069 } 00070 00073 FFTEngineBase (FFTEngineBase const& copy) throw() 00074 : Base (static_cast<Base const&> (copy)) 00075 { 00076 } 00077 00079 FFTEngineBase& operator= (FFTEngineBase const& other) throw() 00080 { 00081 if (this != &other) 00082 this->setInternal (other.getInternal()); 00083 00084 return *this; 00085 } 00086 00089 inline void forward (float* output, const float* input) throw() 00090 { 00091 this->getInternal()->forward (output, input); 00092 } 00093 00096 inline void forward (Buffer& output, Buffer const& input) throw() 00097 { 00098 plonk_assert (output.length() >= this->length()); 00099 plonk_assert (input.length() >= this->length()); 00100 this->getInternal()->forward (output.getArray(), input.getArray()); 00101 } 00102 00105 inline void inverse (float* output, const float* input) throw() 00106 { 00107 this->getInternal()->inverse (output, input); 00108 } 00109 00112 inline void inverse (Buffer& output, Buffer const& input) throw() 00113 { 00114 plonk_assert (output.length() >= this->length()); 00115 plonk_assert (input.length() >= this->length()); 00116 this->getInternal()->inverse (output.getArray(), input.getArray()); 00117 } 00118 00120 inline long length() const 00121 { 00122 return this->getInternal()->length(); 00123 } 00124 00127 inline long halfLength() const 00128 { 00129 return this->getInternal()->halfLength(); 00130 } 00131 00132 private: 00133 }; 00134 00135 typedef FFTEngineBase<PLONK_TYPE_DEFAULT> FFTEngine; 00136 00137 00138 #endif // PLONK_FFTENGINE_H