comparison armadillo-3.900.4/include/armadillo_bits/fn_eps.hpp @ 49:1ec0e2823891

Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK

+// Copyright (C) 2009-2010 NICTA (www.nicta.com.au)
+// Copyright (C) 2009-2010 Conrad Sanderson
+// Copyright (C) 2009-2010 Dimitrios Bouzas
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+
+//! \addtogroup fn_eps
+//! @{
+
+
+
+//! \brief
+//! eps version for non-complex matrices and vectors
+template<typename T1>
+inline
+const eOp<T1, eop_eps>
+eps(const Base<typename T1::elem_type, T1>& X, const typename arma_not_cx<typename T1::elem_type>::result* junk = 0)
+  {
+  arma_extra_debug_sigprint();
+  arma_ignore(junk);
+  
+  return eOp<T1, eop_eps>(X.get_ref());
+  }
+
+
+
+//! \brief
+//! eps version for complex matrices and vectors
+template<typename T1>
+inline
+Mat< typename T1::pod_type >
+eps(const Base< std::complex<typename T1::pod_type>, T1>& X, const typename arma_cx_only<typename T1::elem_type>::result* junk = 0)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_ignore(junk);
+  
+  typedef typename T1::pod_type   T;
+  typedef typename T1::elem_type eT;
+  
+  const unwrap<T1>   tmp(X.get_ref());
+  const Mat<eT>& A = tmp.M;
+  
+  Mat<T> out(A.n_rows, A.n_cols);
+  
+         T* out_mem = out.memptr();
+  const eT* A_mem   = A.memptr();
+  const uword n_elem  = A.n_elem;
+  
+  for(uword i=0; i<n_elem; ++i)
+    {
+    out_mem[i] = eop_aux::direct_eps( A_mem[i] );
+    }
+  
+  
+  return out;
+  }
+
+
+
+template<typename eT>
+arma_inline
+arma_warn_unused
+typename arma_integral_only<eT>::result
+eps(const eT& x)
+  {
+  arma_ignore(x);
+  
+  return eT(0);
+  }
+
+
+
+template<typename eT>
+arma_inline
+arma_warn_unused
+typename arma_real_only<eT>::result
+eps(const eT& x)
+  {
+  return eop_aux::direct_eps(x);
+  }
+
+
+
+template<typename T>
+arma_inline
+arma_warn_unused
+typename arma_real_only<T>::result
+eps(const std::complex<T>& x)
+  {
+  return eop_aux::direct_eps(x);
+  }
+
+
+
+//! @}