8000 error: ‘exp’ was not declared in this scope · Issue #95 · luoyetx/mini-caffe · GitHub
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jiankang1991 opened this issue Nov 21, 2018 8000 · 4 comments
Open

error: ‘exp’ was not declared in this scope #95

jiankang1991 opened this issue Nov 21, 2018 · 4 comments

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@jiankang1991
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Hi,
I would like to build the codes in Ubuntu. When I built it, there are some errors:

make -j4
Scanning dependencies of target caffe
[  2%] Building CXX object CMakeFiles/caffe.dir/src/c_api.cpp.o
[  2%] Building CXX object CMakeFiles/caffe.dir/src/net.cpp.o
[  5%] Building CXX object CMakeFiles/caffe.dir/src/common.cpp.o
[  5%] Building CXX object CMakeFiles/caffe.dir/src/blob.cpp.o
[  7%] Building CXX object CMakeFiles/caffe.dir/src/profiler.cpp.o
[  8%] Building CXX object CMakeFiles/caffe.dir/src/syncedmem.cpp.o
[ 10%] Building CXX object CMakeFiles/caffe.dir/src/layers/absval_layer.cpp.o
[ 11%] Building CXX object CMakeFiles/caffe.dir/src/layers/argmax_layer.cpp.o
[ 13%] Building CXX object CMakeFiles/caffe.dir/src/layers/base_conv_layer.cpp.o
[ 14%] Building CXX object CMakeFiles/caffe.dir/src/layers/batch_norm_layer.cpp.o
[ 16%] Building CXX object CMakeFiles/caffe.dir/src/layers/bias_layer.cpp.o
[ 17%] Building CXX object CMakeFiles/caffe.dir/src/layers/bn_layer.cpp.o
[ 19%] Building CXX object CMakeFiles/caffe.dir/src/layers/bnll_layer.cpp.o
[ 20%] Building CXX object CMakeFiles/caffe.dir/src/layers/concat_layer.cpp.o
/home/kang/Documents/py/mini-caffe/src/layers/bnll_layer.cpp: In member function ‘virtual void caffe::BNLLLayer::Forward_cpu(const std::vector<caffe::Blob*>&, const std::vector<caffe::Blob*>&)’:
/home/kang/Documents/py/mini-caffe/src/layers/bnll_layer.cpp:15:35: error: ‘exp’ was not declared in this scope
         bottom_data[i] + log(1. + exp(-bottom_data[i])) :
                                   ^~~
/home/kang/Documents/py/mini-caffe/src/layers/bnll_layer.cpp:15:35: note: suggested alternative: ‘exit’
         bottom_data[i] + log(1. + exp(-bottom_data[i])) :
                                   ^~~
                                   exit
/home/kang/Documents/py/mini-caffe/src/layers/bnll_layer.cpp:15:26: error: ‘log’ was not declared in this scope
         bottom_data[i] + log(1. + exp(-bottom_data[i])) :
                          ^~~
/home/kang/Documents/py/mini-caffe/src/layers/bnll_layer.cpp:15:26: note: suggested alternative: ‘long’
         bottom_data[i] + log(1. + exp(-bottom_data[i])) :
                          ^~~
                          long
CMakeFiles/caffe.dir/build.make:350: recipe for target 'CMakeFiles/caffe.dir/src/layers/bnll_layer.cpp.o' failed
make[2]: *** [CMakeFiles/caffe.dir/src/layers/bnll_layer.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
CMakeFiles/Makefile2:141: recipe for target 'CMakeFiles/caffe.dir/all' failed
make[1]: *** [CMakeFiles/caffe.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

Does anyone know how to solve this problem?
@BRO-HAMMER
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I'm having the same issue. Could you solve it?

nico@Nico:~/Desktop/Proyectos/mini-caffe/build$ cmake .. -DCMAKE_BUILD_TYPE=Release
-- Use OpenBLAS for blas library
-- Configuring done
-- Generating done
-- Build files have been written to: /home/nico/Desktop/Proyectos/mini-caffe/build

nico@Nico:~/Desktop/Proyectos/mini-caffe/build$ make -j4
Scanning dependencies of target caffe
[ 2%] Building CXX object CMakeFiles/caffe.dir/src/layers/elu_layer.cpp.o
[ 2%] Building CXX object CMakeFiles/caffe.dir/src/layers/bnll_layer.cpp.o
[ 4%] Building CXX object CMakeFiles/caffe.dir/src/layers/eltwise_layer.cpp.o
[ 5%] Building CXX object CMakeFiles/caffe.dir/src/layers/embed_layer.cpp.o
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/bnll_layer.cpp: In member function ‘virtual void caffe::BNLLLayer::Forward_cpu(const std::vectorcaffe::Blob*&, const std::vectorcaffe::Blob*&)’:
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/bnll_layer.cpp:15:35: error: ‘exp’ was not declared in this scope
bottom_data[i] + log(1. + exp(-bottom_data[i])) :
^~~
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/bnll_layer.cpp:15:35: note: suggested alternative: ‘exit’
bottom_data[i] + log(1. + exp(-bottom_data[i])) :
^~~
exit
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/bnll_layer.cpp:15:26: error: ‘log’ was not declared in this scope
bottom_data[i] + log(1. + exp(-bottom_data[i])) :
^~~
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/bnll_layer.cpp:15:26: note: suggested alternative: ‘long’
bottom_data[i] + log(1. + exp(-bottom_data[i])) :
^~~
long
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/elu_layer.cpp: In member function ‘virtual void caffe::ELULayer::Forward_cpu(const std::vectorcaffe::Blob*&, const std::vectorcaffe::Blob*&)’:
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/elu_layer.cpp:16:20: error: ‘exp’ was not declared in this scope
+ alpha * (exp(std::min(bottom_data[i], static_cast<real_t>(0))) - 1);
^~~
/home/nico/Desktop/Proyectos/mini-caffe/src/layers/elu_layer.cpp:16:20: note: suggested alternative: ‘exit’
+ alpha * (exp(std::min(bottom_data[i], static_cast<real_t>(0))) - 1);
^~~
exit
CMakeFiles/caffe.dir/build.make:566: recipe for target 'CMakeFiles/caffe.dir/src/layers/elu_layer.cpp.o' failed
make[2]: *** [CMakeFiles/caffe.dir/src/layers/elu_layer.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
CMakeFiles/caffe.dir/build.make:350: recipe for target 'CMakeFiles/caffe.dir/src/layers/bnll_layer.cpp.o' failed
make[2]: *** [CMakeFiles/caffe.dir/src/layers/bnll_layer.cpp.o] Error 1
CMakeFiles/Makefile2:141: recipe for target 'CMakeFiles/caffe.dir/all' failed
make[1]: *** [CMakeFiles/caffe.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

@ArmstrongYang ArmstrongYang mentioned this issue Jul 15, 2020
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@ArmstrongYang
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I fixed it and pull request, please see: #104

@ArmstrongYang
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ArmstrongYang commented May 24, 2022 via email

@sipercai
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I fixed it and pull request, please see: #104

thanks , it does helps me a lot

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@ArmstrongYang @jiankang1991 @BRO-HAMMER @sipercai
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