1 files changed, 108 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/fn_powmat.hpp b/src/armadillo/include/armadillo_bits/fn_powmat.hpp
new file mode 100644
index 0000000..17d0293
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_powmat.hpp
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: Apache-2.0
+// 
+// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2008-2016 National ICT Australia (NICTA)
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+//! \addtogroup fn_powmat
+//! @{
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, const Op<T1,op_powmat> >::result
+powmat(const Base<typename T1::elem_type,T1>& X, const int y)
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword aux_a = (y < int(0)) ? uword(-y) : uword(y);
+  const uword aux_b = (y < int(0)) ? uword(1)  : uword(0);
+  
+  return Op<T1,op_powmat>(X.get_ref(), aux_a, aux_b);
+  }
+
+
+
+template<typename T1>
+inline
+typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
+powmat
+  (
+         Mat<typename T1::elem_type>&    out,
+  const Base<typename T1::elem_type,T1>& X,
+  const int                              y
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword y_val = (y < int(0)) ? uword(-y) : uword(y);
+  const bool  y_neg = (y < int(0));
+  
+  const bool status = op_powmat::apply_direct(out, X.get_ref(), y_val, y_neg);
+  
+  if(status == false)
+    {
+    out.soft_reset();
+    arma_debug_warn_level(3, "powmat(): transformation failed");
+    }
+  
+  return status;
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, const mtOp<std::complex<typename T1::pod_type>,T1,op_powmat_cx> >::result
+powmat(const Base<typename T1::elem_type,T1>& X, const double y)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef std::complex<typename T1::pod_type> out_eT;
+  
+  return mtOp<out_eT,T1,op_powmat_cx>('j', X.get_ref(), out_eT(y));
+  }
+
+
+
+template<typename T1>
+inline
+typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
+powmat
+  (
+         Mat< std::complex<typename T1::pod_type> >& out,
+  const Base<typename T1::elem_type,T1>&             X,
+  const double                                       y
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::pod_type T;
+  
+  const bool status = op_powmat_cx::apply_direct(out, X.get_ref(), T(y));
+  
+  if(status == false)
+    {
+    out.soft_reset();
+    arma_debug_warn_level(3, "powmat(): transformation failed");
+    }
+  
+  return status;
+  }
+
+
+//! @}