revert bug

Author: A-006

source/module_basis/module_pw/module_fft/fft_cpu.cpp

@@ -380,7 +380,6 @@ void FFT_CPU<double>::fftxybac(std::complex<double>* in,std::complex<double>* ou
     int npy = this->nplane * this->ny;
     if (this->xprime)
     {
-        ModuleBase::timer::tick("fftxybac", "fftybac");
         #pragma omp parallel for
         for (int i = 0; i < this->lixy + 1; ++i)
         {
@@ -391,10 +390,7 @@ void FFT_CPU<double>::fftxybac(std::complex<double>* in,std::complex<double>* ou
         {
             fftw_execute_dft(this->planybac, (fftw_complex*)&in[i * npy], (fftw_complex*)&out[i * npy]);
         }
-        ModuleBase::timer::tick("fftxybac", "fftybac");
-        ModuleBase::timer::tick("fftxybac", "fftxbac");
         fftw_execute_dft(this->planxbac1, (fftw_complex*)in, (fftw_complex*)out);
-        ModuleBase::timer::tick("fftxybac", "fftxbac");
     }
     else
     {
@@ -417,9 +413,7 @@ void FFT_CPU<double>::fftzfor(std::complex<double>* in, std::complex<double>* ou
 template <>
 void FFT_CPU<double>::fftzbac(std::complex<double>* in, std::complex<double>* out) const
 {
-    ModuleBase::timer::tick("fftxybac", "fftzbac");
     fftw_execute_dft(this->planzbac, (fftw_complex*)in, (fftw_complex*)out);
-    ModuleBase::timer::tick("fftxybac", "fftzbac");
 }
 
 template <>
@@ -429,6 +423,7 @@ void FFT_CPU<double>::fftxyr2c(double* in, std::complex<double>* out) const
     if (this->xprime)
     {
         fftw_execute_dft_r2c(this->planxr2c, in, (fftw_complex*)out);
+        #pragma omp parallel for
         for (int i = 0; i < this->lixy + 1; ++i)
         {
             fftw_execute_dft(this->planyfor, (fftw_complex*)&out[i * npy], (fftw_complex*)&out[i * npy]);

source/module_basis/module_pw/pw_basis.cpp

@@ -15,21 +15,15 @@ PW_Basis::PW_Basis()
 
 PW_Basis::PW_Basis(std::string device_, std::string precision_) : device(std::move(device_)), precision(std::move(precision_)) {
     classname="PW_Basis";
-    if(this->precision == "single" || this->precision == "mixing")
-    {
-        this->precision = "mixing";
-    }
-    else
-    {
-        this->precision = "double";
-    }
+    std::string fft_precison;
+    fft_precison = this->precision;
     #if (not defined(__ENABLE_FLOAT_FFTW) and (defined(__CUDA) || defined(__RCOM)))
-        if (this->precision == "gpu")
+        if (this->device == "gpu")
         {
-            this->precision = "double";
+            fft_precison = "double";
         }
     #endif
-    this->fft_bundle.setfft("cpu",this->precision);
+    this->fft_bundle.setfft("cpu",fft_precison);
     this->double_data_ = (this->precision == "double") || (this->precision == "mixing");
     this->float_data_ = (this->precision == "single")  || (this->precision == "mixing");
 }

source/module_basis/module_pw/pw_basis_k.cpp

@@ -203,11 +203,11 @@ void PW_Basis_K::setuptransform()
     this->getstartgr();
     this->setupIndGk();
     this->fft_bundle.clear();
+    std::string fft_device = this->device;
 #if defined(__DSP)
-    this->fft_bundle.setfft("dsp", this->precision);
-#else
-    this->fft_bundle.setfft(this->device, this->precision);
+    fft_device = "dsp";
 #endif
+    this->fft_bundle.setfft(fft_device, this->precision);
     if (this->xprime)
     {
         this->fft_bundle.initfft(this->nx,