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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>Hi<span style='color:black'> </span>all,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>I used to use RTK r1.03 without any problem.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>However, today I adapted rtkfdk to my own code and ran into the following compile error messages..<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:DotumChe;color:#1E1E1E;background:white;mso-highlight:white'>1>rtkcuda.lib(cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.obj) : error LNK2019: unresolved external symbol cufftPlan2d referenced in function "void __cdecl CUDA_fft_convolution(struct int3 const &,struct int2 const &,float *,struct float2 *)" (?CUDA_fft_convolution@@YAXAEBUint3@@AEBUint2@@PEAMPEAUfloat2@@@Z)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:DotumChe;color:#1E1E1E;background:white;mso-highlight:white'>1>rtkcuda.lib(cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.obj) : error LNK2019: unresolved external symbol cufftPlan3d referenced in function "void __cdecl CUDA_fft_convolution(struct int3 const &,struct int2 const &,float *,struct float2 *)" (?CUDA_fft_convolution@@YAXAEBUint3@@AEBUint2@@PEAMPEAUfloat2@@@Z)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:DotumChe;color:#1E1E1E;background:white;mso-highlight:white'>1>rtkcuda.lib(cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.obj) : error LNK2019: unresolved external symbol cufftExecR2C referenced in function "void __cdecl CUDA_fft_convolution(struct int3 const &,struct int2 const &,float *,struct float2 *)" (?CUDA_fft_convolution@@YAXAEBUint3@@AEBUint2@@PEAMPEAUfloat2@@@Z)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:DotumChe;color:#1E1E1E;background:white;mso-highlight:white'>1>rtkcuda.lib(cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.obj) : error LNK2019: unresolved external symbol cufftExecC2R referenced in function "void __cdecl CUDA_fft_convolution(struct int3 const &,struct int2 const &,float *,struct float2 *)" (?CUDA_fft_convolution@@YAXAEBUint3@@AEBUint2@@PEAMPEAUfloat2@@@Z)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:DotumChe;color:#1E1E1E;background:white;mso-highlight:white'>1>rtkcuda.lib(cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.obj) : error LNK2019: unresolved external symbol cufftSetCompatibilityMode referenced in function "void __cdecl CUDA_fft_convolution(struct int3 const &,struct int2 const &,float *,struct float2 *)" (?CUDA_fft_convolution@@YAXAEBUint3@@AEBUint2@@PEAMPEAUfloat2@@@Z)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:DotumChe;color:#1E1E1E;background:white;mso-highlight:white'>1>rtkcuda.lib(cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.obj) : error LNK2019: unresolved external symbol cufftDestroy referenced in function "void __cdecl CUDA_fft_convolution(struct int3 const &,struct int2 const &,float *,struct float2 *)" (?CUDA_fft_convolution@@YAXAEBUint3@@AEBUint2@@PEAMPEAUfloat2@@@Z)</span><span style='font-family:"Calibri",sans-serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>I found that this error was caused by the following line in my code:<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white'>#if</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'> </span><span style='font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white'>CUDA_FOUND</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow'> </span><span style='font-size:9.5pt;font-family:Consolas;color:navy;background:yellow;mso-highlight:yellow'>feldkamp</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow'> = </span><span style='font-size:9.5pt;font-family:Consolas;color:#216F85;background:yellow;mso-highlight:yellow'>FDKCUDAType</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow'>::</span><span style='font-size:9.5pt;font-family:Consolas;color:#880000;background:yellow;mso-highlight:yellow'>New</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow'>();</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'> </span><span style='font-size:9.5pt;font-family:Wingdings;color:black;background:white;mso-highlight:white'>ß</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'> here!<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'> </span><span style='font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white'>SET_FELDKAMP_OPTIONS</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'>(</span><span style='font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white'>static_cast</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'><</span><span style='font-size:9.5pt;font-family:Consolas;color:#216F85;background:white;mso-highlight:white'>FDKCUDAType</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'>*>(</span><span style='font-size:9.5pt;font-family:Consolas;color:navy;background:white;mso-highlight:white'>feldkamp</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'>.</span><span style='font-size:9.5pt;font-family:Consolas;color:#880000;background:white;mso-highlight:white'>GetPointer</span><span style='font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white'>()));<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white'>#else</span><span style='font-family:"Calibri",sans-serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>..<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>I also found that those problematic symbols (cufftPlan2d, cufftPlan3d, cufftExecR2C, ..) are defined in “cufft.h”.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>It is very weird to me because I did the exactly same thing in my previous project and there was no problem at that time.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>Maybe I did something wrong but have no idea now.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>Any helps/suggestions will be highly appreciated!<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>Yang<span style='color:black'> <o:p></o:p></span></span></p></div></div></body></html>