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diff --git a/src/armadillo/include/armadillo_bits/debug.hpp b/src/armadillo/include/armadillo_bits/debug.hpp
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@@ -0,0 +1,1467 @@
+// 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 debug
+//! @{
+
+
+
+inline
+std::ostream&
+get_cout_stream()
+ {
+ return (ARMA_COUT_STREAM);
+ }
+
+
+
+inline
+std::ostream&
+get_cerr_stream()
+ {
+ return (ARMA_CERR_STREAM);
+ }
+
+
+
+arma_deprecated
+inline
+std::ostream&
+get_stream_err1()
+ {
+ return get_cerr_stream();
+ }
+
+
+
+arma_deprecated
+inline
+std::ostream&
+get_stream_err2()
+ {
+ return get_cerr_stream();
+ }
+
+
+
+arma_frown("this function does nothing; instead use ARMA_COUT_STREAM or ARMA_WARN_LEVEL; see documentation")
+inline
+void
+set_cout_stream(const std::ostream&)
+ {
+ }
+
+
+
+arma_frown("this function does nothing; instead use ARMA_CERR_STREAM or ARMA_WARN_LEVEL; see documentation")
+inline
+void
+set_cerr_stream(const std::ostream&)
+ {
+ }
+
+
+
+arma_frown("this function does nothing; instead use ARMA_CERR_STREAM or ARMA_WARN_LEVEL; see documentation")
+inline
+void
+set_stream_err1(const std::ostream&)
+ {
+ }
+
+
+
+arma_frown("this function does nothing; instead use ARMA_CERR_STREAM or ARMA_WARN_LEVEL; see documentation")
+inline
+void
+set_stream_err2(const std::ostream&)
+ {
+ }
+
+
+
+template<typename T>
+arma_frown("this function does nothing; instead use ARMA_COUT_STREAM or ARMA_WARN_LEVEL; see documentation")
+inline
+std::ostream&
+arma_cout_stream(std::ostream*)
+ {
+ return (ARMA_COUT_STREAM);
+ }
+
+
+
+template<typename T>
+arma_frown("this function does nothing; instead use ARMA_CERR_STREAM or ARMA_WARN_LEVEL; see documentation")
+inline
+std::ostream&
+arma_cerr_stream(std::ostream*)
+ {
+ return (ARMA_CERR_STREAM);
+ }
+
+
+
+//! print a message to get_cerr_stream() and throw logic_error exception
+template<typename T1>
+arma_cold
+arma_noinline
+static
+void
+arma_stop_logic_error(const T1& x)
+ {
+ #if defined(ARMA_PRINT_EXCEPTIONS)
+ {
+ get_cerr_stream() << "\nerror: " << x << std::endl;
+ }
+ #endif
+
+ throw std::logic_error( std::string(x) );
+ }
+
+
+
+arma_cold
+arma_noinline
+static
+void
+arma_stop_logic_error(const char* x, const char* y)
+ {
+ arma_stop_logic_error( std::string(x) + std::string(y) );
+ }
+
+
+
+//! print a message to get_cerr_stream() and throw out_of_range exception
+template<typename T1>
+arma_cold
+arma_noinline
+static
+void
+arma_stop_bounds_error(const T1& x)
+ {
+ #if defined(ARMA_PRINT_EXCEPTIONS)
+ {
+ get_cerr_stream() << "\nerror: " << x << std::endl;
+ }
+ #endif
+
+ throw std::out_of_range( std::string(x) );
+ }
+
+
+
+//! print a message to get_cerr_stream() and throw bad_alloc exception
+template<typename T1>
+arma_cold
+arma_noinline
+static
+void
+arma_stop_bad_alloc(const T1& x)
+ {
+ #if defined(ARMA_PRINT_EXCEPTIONS)
+ {
+ get_cerr_stream() << "\nerror: " << x << std::endl;
+ }
+ #else
+ {
+ arma_ignore(x);
+ }
+ #endif
+
+ throw std::bad_alloc();
+ }
+
+
+
+//! print a message to get_cerr_stream() and throw runtime_error exception
+template<typename T1>
+arma_cold
+arma_noinline
+static
+void
+arma_stop_runtime_error(const T1& x)
+ {
+ #if defined(ARMA_PRINT_EXCEPTIONS)
+ {
+ get_cerr_stream() << "\nerror: " << x << std::endl;
+ }
+ #endif
+
+ throw std::runtime_error( std::string(x) );
+ }
+
+
+
+//
+// arma_print
+
+
+arma_cold
+inline
+void
+arma_print()
+ {
+ get_cerr_stream() << std::endl;
+ }
+
+
+template<typename T1>
+arma_cold
+arma_noinline
+static
+void
+arma_print(const T1& x)
+ {
+ get_cerr_stream() << x << std::endl;
+ }
+
+
+
+template<typename T1, typename T2>
+arma_cold
+arma_noinline
+static
+void
+arma_print(const T1& x, const T2& y)
+ {
+ get_cerr_stream() << x << y << std::endl;
+ }
+
+
+
+template<typename T1, typename T2, typename T3>
+arma_cold
+arma_noinline
+static
+void
+arma_print(const T1& x, const T2& y, const T3& z)
+ {
+ get_cerr_stream() << x << y << z << std::endl;
+ }
+
+
+
+
+
+
+//
+// arma_sigprint
+
+//! print a message to the log stream with a preceding @ character.
+//! by default the log stream is cout.
+//! used for printing the signature of a function
+//! (see the arma_extra_debug_sigprint macro)
+inline
+void
+arma_sigprint(const char* x)
+ {
+ get_cerr_stream() << "@ " << x;
+ }
+
+
+
+//
+// arma_bktprint
+
+
+inline
+void
+arma_bktprint()
+ {
+ get_cerr_stream() << std::endl;
+ }
+
+
+template<typename T1>
+inline
+void
+arma_bktprint(const T1& x)
+ {
+ get_cerr_stream() << " [" << x << ']' << std::endl;
+ }
+
+
+
+template<typename T1, typename T2>
+inline
+void
+arma_bktprint(const T1& x, const T2& y)
+ {
+ get_cerr_stream() << " [" << x << y << ']' << std::endl;
+ }
+
+
+
+
+
+
+//
+// arma_thisprint
+
+inline
+void
+arma_thisprint(const void* this_ptr)
+ {
+ get_cerr_stream() << " [this = " << this_ptr << ']' << std::endl;
+ }
+
+
+
+//
+// arma_warn
+
+
+//! print a message to the warn stream
+template<typename T1>
+arma_cold
+arma_noinline
+static
+void
+arma_warn(const T1& arg1)
+ {
+ get_cerr_stream() << "\nwarning: " << arg1 << std::endl;
+ }
+
+
+template<typename T1, typename T2>
+arma_cold
+arma_noinline
+static
+void
+arma_warn(const T1& arg1, const T2& arg2)
+ {
+ get_cerr_stream() << "\nwarning: " << arg1 << arg2 << std::endl;
+ }
+
+
+template<typename T1, typename T2, typename T3>
+arma_cold
+arma_noinline
+static
+void
+arma_warn(const T1& arg1, const T2& arg2, const T3& arg3)
+ {
+ get_cerr_stream() << "\nwarning: " << arg1 << arg2 << arg3 << std::endl;
+ }
+
+
+template<typename T1, typename T2, typename T3, typename T4>
+arma_cold
+arma_noinline
+static
+void
+arma_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
+ {
+ get_cerr_stream() << "\nwarning: " << arg1 << arg2 << arg3 << arg4 << std::endl;
+ }
+
+
+
+//
+// arma_warn_level
+
+
+template<typename T1>
+inline
+void
+arma_warn_level(const uword level, const T1& arg1)
+ {
+ constexpr uword config_level = (sword(ARMA_WARN_LEVEL) > 0) ? uword(ARMA_WARN_LEVEL) : uword(0);
+
+ if((config_level > 0) && (level <= config_level)) { arma_warn(arg1); }
+ }
+
+
+template<typename T1, typename T2>
+inline
+void
+arma_warn_level(const uword level, const T1& arg1, const T2& arg2)
+ {
+ constexpr uword config_level = (sword(ARMA_WARN_LEVEL) > 0) ? uword(ARMA_WARN_LEVEL) : uword(0);
+
+ if((config_level > 0) && (level <= config_level)) { arma_warn(arg1,arg2); }
+ }
+
+
+template<typename T1, typename T2, typename T3>
+inline
+void
+arma_warn_level(const uword level, const T1& arg1, const T2& arg2, const T3& arg3)
+ {
+ constexpr uword config_level = (sword(ARMA_WARN_LEVEL) > 0) ? uword(ARMA_WARN_LEVEL) : uword(0);
+
+ if((config_level > 0) && (level <= config_level)) { arma_warn(arg1,arg2,arg3); }
+ }
+
+
+template<typename T1, typename T2, typename T3, typename T4>
+inline
+void
+arma_warn_level(const uword level, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
+ {
+ constexpr uword config_level = (sword(ARMA_WARN_LEVEL) > 0) ? uword(ARMA_WARN_LEVEL) : uword(0);
+
+ if((config_level > 0) && (level <= config_level)) { arma_warn(arg1,arg2,arg3,arg4); }
+ }
+
+
+
+//
+// arma_check
+
+//! if state is true, abort program
+template<typename T1>
+arma_hot
+inline
+void
+arma_check(const bool state, const T1& x)
+ {
+ if(state) { arma_stop_logic_error(arma_str::str_wrapper(x)); }
+ }
+
+
+template<typename Functor>
+arma_hot
+inline
+void
+arma_check(const bool state, const char* x, const Functor& fn)
+ {
+ if(state) { fn(); arma_stop_logic_error(x); }
+ }
+
+
+arma_hot
+inline
+void
+arma_check(const bool state, const char* x, const char* y)
+ {
+ if(state) { arma_stop_logic_error(x,y); }
+ }
+
+
+template<typename Functor>
+arma_hot
+inline
+void
+arma_check(const bool state, const char* x, const char* y, const Functor& fn)
+ {
+ if(state) { fn(); arma_stop_logic_error(x,y); }
+ }
+
+
+template<typename T1>
+arma_hot
+inline
+void
+arma_check_bounds(const bool state, const T1& x)
+ {
+ if(state) { arma_stop_bounds_error(arma_str::str_wrapper(x)); }
+ }
+
+
+template<typename T1>
+arma_hot
+inline
+void
+arma_check_bad_alloc(const bool state, const T1& x)
+ {
+ if(state) { arma_stop_bad_alloc(x); }
+ }
+
+
+
+//
+// arma_set_error
+
+
+arma_hot
+arma_inline
+void
+arma_set_error(bool& err_state, char*& err_msg, const bool expression, const char* message)
+ {
+ if(expression)
+ {
+ err_state = true;
+ err_msg = const_cast<char*>(message);
+ }
+ }
+
+
+
+
+//
+// functions for generating strings indicating size errors
+
+arma_cold
+arma_noinline
+static
+std::string
+arma_incompat_size_string(const uword A_n_rows, const uword A_n_cols, const uword B_n_rows, const uword B_n_cols, const char* x)
+ {
+ std::ostringstream tmp;
+
+ tmp << x << ": incompatible matrix dimensions: " << A_n_rows << 'x' << A_n_cols << " and " << B_n_rows << 'x' << B_n_cols;
+
+ return tmp.str();
+ }
+
+
+
+arma_cold
+arma_noinline
+static
+std::string
+arma_incompat_size_string(const uword A_n_rows, const uword A_n_cols, const uword A_n_slices, const uword B_n_rows, const uword B_n_cols, const uword B_n_slices, const char* x)
+ {
+ std::ostringstream tmp;
+
+ tmp << x << ": incompatible cube dimensions: " << A_n_rows << 'x' << A_n_cols << 'x' << A_n_slices << " and " << B_n_rows << 'x' << B_n_cols << 'x' << B_n_slices;
+
+ return tmp.str();
+ }
+
+
+
+template<typename eT>
+arma_cold
+arma_noinline
+static
+std::string
+arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": interpreting matrix as cube with dimensions: "
+ << A.n_rows << 'x' << A.n_cols << 'x' << 1
+ << " or "
+ << A.n_rows << 'x' << 1 << 'x' << A.n_cols
+ << " or "
+ << 1 << 'x' << A.n_rows << 'x' << A.n_cols
+ << " is incompatible with cube dimensions: "
+ << Q.n_rows << 'x' << Q.n_cols << 'x' << Q.n_slices;
+
+ return tmp.str();
+ }
+
+
+
+//
+// functions for checking whether two dense matrices have the same dimensions
+
+
+
+arma_hot
+arma_inline
+void
+arma_assert_same_size(const uword A_n_rows, const uword A_n_cols, const uword B_n_rows, const uword B_n_cols, const char* x)
+ {
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+//! stop if given matrices have different sizes
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Mat<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+//! stop if given proxies have different sizes
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Proxy<eT1>& A, const Proxy<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.get_n_rows();
+ const uword A_n_cols = A.get_n_cols();
+
+ const uword B_n_rows = B.get_n_rows();
+ const uword B_n_cols = B.get_n_cols();
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview<eT1>& A, const subview<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Mat<eT1>& A, const subview<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Mat<eT1>& A, const Proxy<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.get_n_rows();
+ const uword B_n_cols = B.get_n_cols();
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Proxy<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.get_n_rows();
+ const uword A_n_cols = A.get_n_cols();
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Proxy<eT1>& A, const subview<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.get_n_rows();
+ const uword A_n_cols = A.get_n_cols();
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview<eT1>& A, const Proxy<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.get_n_rows();
+ const uword B_n_cols = B.get_n_cols();
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+//
+// functions for checking whether two sparse matrices have the same dimensions
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const SpMat<eT1>& A, const SpMat<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+
+ const uword B_n_rows = B.n_rows;
+ const uword B_n_cols = B.n_cols;
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+//
+// functions for checking whether two cubes have the same dimensions
+
+
+
+arma_hot
+inline
+void
+arma_assert_same_size(const uword A_n_rows, const uword A_n_cols, const uword A_n_slices, const uword B_n_rows, const uword B_n_cols, const uword B_n_slices, const char* x)
+ {
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) || (A_n_slices != B_n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, A_n_slices, B_n_rows, B_n_cols, B_n_slices, x) );
+ }
+ }
+
+
+
+//! stop if given cubes have different sizes
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Cube<eT1>& A, const Cube<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (A.n_slices != B.n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, A.n_slices, B.n_rows, B.n_cols, B.n_slices, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Cube<eT1>& A, const subview_cube<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (A.n_slices != B.n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, A.n_slices, B.n_rows, B.n_cols, B.n_slices, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview_cube<eT1>& A, const Cube<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (A.n_slices != B.n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, A.n_slices, B.n_rows, B.n_cols, B.n_slices, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview_cube<eT1>& A, const subview_cube<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (A.n_slices != B.n_slices))
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, A.n_slices, B.n_rows, B.n_cols, B.n_slices, x) );
+ }
+ }
+
+
+
+template<typename eT, typename T1>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview_cube<eT>& A, const ProxyCube<T1>& B, const char* x)
+ {
+ const uword A_n_rows = A.n_rows;
+ const uword A_n_cols = A.n_cols;
+ const uword A_n_slices = A.n_slices;
+
+ const uword B_n_rows = B.get_n_rows();
+ const uword B_n_cols = B.get_n_cols();
+ const uword B_n_slices = B.get_n_slices();
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) || (A_n_slices != B_n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, A_n_slices, B_n_rows, B_n_cols, B_n_slices, x) );
+ }
+ }
+
+
+
+//! stop if given cube proxies have different sizes
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const ProxyCube<eT1>& A, const ProxyCube<eT2>& B, const char* x)
+ {
+ const uword A_n_rows = A.get_n_rows();
+ const uword A_n_cols = A.get_n_cols();
+ const uword A_n_slices = A.get_n_slices();
+
+ const uword B_n_rows = B.get_n_rows();
+ const uword B_n_cols = B.get_n_cols();
+ const uword B_n_slices = B.get_n_slices();
+
+ if( (A_n_rows != B_n_rows) || (A_n_cols != B_n_cols) || (A_n_slices != B_n_slices))
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, A_n_slices, B_n_rows, B_n_cols, B_n_slices, x) );
+ }
+ }
+
+
+
+//
+// functions for checking whether a cube or subcube can be interpreted as a matrix (ie. single slice)
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Cube<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (A.n_slices != 1) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, A.n_slices, B.n_rows, B.n_cols, 1, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Mat<eT1>& A, const Cube<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (1 != B.n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, 1, B.n_rows, B.n_cols, B.n_slices, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const subview_cube<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (A.n_slices != 1) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, A.n_slices, B.n_rows, B.n_cols, 1, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_same_size(const Mat<eT1>& A, const subview_cube<eT2>& B, const char* x)
+ {
+ if( (A.n_rows != B.n_rows) || (A.n_cols != B.n_cols) || (1 != B.n_slices) )
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, 1, B.n_rows, B.n_cols, B.n_slices, x) );
+ }
+ }
+
+
+
+template<typename eT, typename T1>
+inline
+void
+arma_assert_cube_as_mat(const Mat<eT>& M, const T1& Q, const char* x, const bool check_compat_size)
+ {
+ const uword Q_n_rows = Q.n_rows;
+ const uword Q_n_cols = Q.n_cols;
+ const uword Q_n_slices = Q.n_slices;
+
+ const uword M_vec_state = M.vec_state;
+
+ if(M_vec_state == 0)
+ {
+ if( ( (Q_n_rows == 1) || (Q_n_cols == 1) || (Q_n_slices == 1) ) == false )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a matrix; one of the dimensions must be 1";
+
+ arma_stop_logic_error( tmp.str() );
+ }
+ }
+ else
+ {
+ if(Q_n_slices == 1)
+ {
+ if( (M_vec_state == 1) && (Q_n_cols != 1) )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a column vector";
+
+ arma_stop_logic_error( tmp.str() );
+ }
+
+ if( (M_vec_state == 2) && (Q_n_rows != 1) )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a row vector";
+
+ arma_stop_logic_error( tmp.str() );
+ }
+ }
+ else
+ {
+ if( (Q_n_cols != 1) && (Q_n_rows != 1) )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a vector";
+
+ arma_stop_logic_error( tmp.str() );
+ }
+ }
+ }
+
+
+ if(check_compat_size)
+ {
+ const uword M_n_rows = M.n_rows;
+ const uword M_n_cols = M.n_cols;
+
+ if(M_vec_state == 0)
+ {
+ if(
+ (
+ ( (Q_n_rows == M_n_rows) && (Q_n_cols == M_n_cols) )
+ ||
+ ( (Q_n_rows == M_n_rows) && (Q_n_slices == M_n_cols) )
+ ||
+ ( (Q_n_cols == M_n_rows) && (Q_n_slices == M_n_cols) )
+ )
+ == false
+ )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a matrix with dimensions "
+ << M_n_rows << 'x' << M_n_cols;
+
+ arma_stop_logic_error( tmp.str() );
+ }
+ }
+ else
+ {
+ if(Q_n_slices == 1)
+ {
+ if( (M_vec_state == 1) && (Q_n_rows != M_n_rows) )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a column vector with dimensions "
+ << M_n_rows << 'x' << M_n_cols;
+
+ arma_stop_logic_error( tmp.str() );
+ }
+
+ if( (M_vec_state == 2) && (Q_n_cols != M_n_cols) )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a row vector with dimensions "
+ << M_n_rows << 'x' << M_n_cols;
+
+ arma_stop_logic_error( tmp.str() );
+ }
+ }
+ else
+ {
+ if( ( (M_n_cols == Q_n_slices) || (M_n_rows == Q_n_slices) ) == false )
+ {
+ std::ostringstream tmp;
+
+ tmp << x
+ << ": can't interpret cube with dimensions "
+ << Q_n_rows << 'x' << Q_n_cols << 'x' << Q_n_slices
+ << " as a vector with dimensions "
+ << M_n_rows << 'x' << M_n_cols;
+
+ arma_stop_logic_error( tmp.str() );
+ }
+ }
+ }
+ }
+ }
+
+
+
+//
+// functions for checking whether two matrices have dimensions that are compatible with the matrix multiply operation
+
+
+
+arma_hot
+inline
+void
+arma_assert_mul_size(const uword A_n_rows, const uword A_n_cols, const uword B_n_rows, const uword B_n_cols, const char* x)
+ {
+ if(A_n_cols != B_n_rows)
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A_n_rows, A_n_cols, B_n_rows, B_n_cols, x) );
+ }
+ }
+
+
+
+//! stop if given matrices are incompatible for multiplication
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_mul_size(const Mat<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ const uword A_n_cols = A.n_cols;
+ const uword B_n_rows = B.n_rows;
+
+ if(A_n_cols != B_n_rows)
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A_n_cols, B_n_rows, B.n_cols, x) );
+ }
+ }
+
+
+
+//! stop if given matrices are incompatible for multiplication
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_mul_size(const Mat<eT1>& A, const Mat<eT2>& B, const bool do_trans_A, const bool do_trans_B, const char* x)
+ {
+ const uword final_A_n_cols = (do_trans_A == false) ? A.n_cols : A.n_rows;
+ const uword final_B_n_rows = (do_trans_B == false) ? B.n_rows : B.n_cols;
+
+ if(final_A_n_cols != final_B_n_rows)
+ {
+ const uword final_A_n_rows = (do_trans_A == false) ? A.n_rows : A.n_cols;
+ const uword final_B_n_cols = (do_trans_B == false) ? B.n_cols : B.n_rows;
+
+ arma_stop_logic_error( arma_incompat_size_string(final_A_n_rows, final_A_n_cols, final_B_n_rows, final_B_n_cols, x) );
+ }
+ }
+
+
+
+template<const bool do_trans_A, const bool do_trans_B>
+arma_hot
+inline
+void
+arma_assert_trans_mul_size(const uword A_n_rows, const uword A_n_cols, const uword B_n_rows, const uword B_n_cols, const char* x)
+ {
+ const uword final_A_n_cols = (do_trans_A == false) ? A_n_cols : A_n_rows;
+ const uword final_B_n_rows = (do_trans_B == false) ? B_n_rows : B_n_cols;
+
+ if(final_A_n_cols != final_B_n_rows)
+ {
+ const uword final_A_n_rows = (do_trans_A == false) ? A_n_rows : A_n_cols;
+ const uword final_B_n_cols = (do_trans_B == false) ? B_n_cols : B_n_rows;
+
+ arma_stop_logic_error( arma_incompat_size_string(final_A_n_rows, final_A_n_cols, final_B_n_rows, final_B_n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_mul_size(const Mat<eT1>& A, const subview<eT2>& B, const char* x)
+ {
+ if(A.n_cols != B.n_rows)
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, B.n_rows, B.n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_mul_size(const subview<eT1>& A, const Mat<eT2>& B, const char* x)
+ {
+ if(A.n_cols != B.n_rows)
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, B.n_rows, B.n_cols, x) );
+ }
+ }
+
+
+
+template<typename eT1, typename eT2>
+arma_hot
+inline
+void
+arma_assert_mul_size(const subview<eT1>& A, const subview<eT2>& B, const char* x)
+ {
+ if(A.n_cols != B.n_rows)
+ {
+ arma_stop_logic_error( arma_incompat_size_string(A.n_rows, A.n_cols, B.n_rows, B.n_cols, x) );
+ }
+ }
+
+
+
+template<typename T1>
+arma_hot
+inline
+void
+arma_assert_blas_size(const T1& A)
+ {
+ if(sizeof(uword) >= sizeof(blas_int))
+ {
+ bool overflow;
+
+ overflow = (A.n_rows > ARMA_MAX_BLAS_INT);
+ overflow = (A.n_cols > ARMA_MAX_BLAS_INT) || overflow;
+
+ if(overflow)
+ {
+ arma_stop_runtime_error("integer overflow: matrix dimensions are too large for integer type used by BLAS and LAPACK");
+ }
+ }
+ }
+
+
+
+template<typename T1, typename T2>
+arma_hot
+inline
+void
+arma_assert_blas_size(const T1& A, const T2& B)
+ {
+ if(sizeof(uword) >= sizeof(blas_int))
+ {
+ bool overflow;
+
+ overflow = (A.n_rows > ARMA_MAX_BLAS_INT);
+ overflow = (A.n_cols > ARMA_MAX_BLAS_INT) || overflow;
+ overflow = (B.n_rows > ARMA_MAX_BLAS_INT) || overflow;
+ overflow = (B.n_cols > ARMA_MAX_BLAS_INT) || overflow;
+
+ if(overflow)
+ {
+ arma_stop_runtime_error("integer overflow: matrix dimensions are too large for integer type used by BLAS and LAPACK");
+ }
+ }
+ }
+
+
+
+// TODO: remove support for ATLAS in next major version
+template<typename T1>
+arma_hot
+inline
+void
+arma_assert_atlas_size(const T1& A)
+ {
+ if(sizeof(uword) >= sizeof(int))
+ {
+ bool overflow;
+
+ overflow = (A.n_rows > INT_MAX);
+ overflow = (A.n_cols > INT_MAX) || overflow;
+
+ if(overflow)
+ {
+ arma_stop_runtime_error("integer overflow: matrix dimensions are too large for integer type used by ATLAS");
+ }
+ }
+ }
+
+
+
+// TODO: remove support for ATLAS in next major version
+template<typename T1, typename T2>
+arma_hot
+inline
+void
+arma_assert_atlas_size(const T1& A, const T2& B)
+ {
+ if(sizeof(uword) >= sizeof(int))
+ {
+ bool overflow;
+
+ overflow = (A.n_rows > INT_MAX);
+ overflow = (A.n_cols > INT_MAX) || overflow;
+ overflow = (B.n_rows > INT_MAX) || overflow;
+ overflow = (B.n_cols > INT_MAX) || overflow;
+
+ if(overflow)
+ {
+ arma_stop_runtime_error("integer overflow: matrix dimensions are too large for integer type used by ATLAS");
+ }
+ }
+ }
+
+
+
+//
+// macros
+
+
+// #define ARMA_STRING1(x) #x
+// #define ARMA_STRING2(x) ARMA_STRING1(x)
+// #define ARMA_FILELINE __FILE__ ": " ARMA_STRING2(__LINE__)
+
+
+#if defined(ARMA_NO_DEBUG)
+
+ #define arma_debug_print true ? (void)0 : arma_print
+ #define arma_debug_warn true ? (void)0 : arma_warn
+ #define arma_debug_warn_level true ? (void)0 : arma_warn_level
+ #define arma_debug_check true ? (void)0 : arma_check
+ #define arma_debug_check_bounds true ? (void)0 : arma_check_bounds
+ #define arma_debug_set_error true ? (void)0 : arma_set_error
+ #define arma_debug_assert_same_size true ? (void)0 : arma_assert_same_size
+ #define arma_debug_assert_mul_size true ? (void)0 : arma_assert_mul_size
+ #define arma_debug_assert_trans_mul_size true ? (void)0 : arma_assert_trans_mul_size
+ #define arma_debug_assert_cube_as_mat true ? (void)0 : arma_assert_cube_as_mat
+ #define arma_debug_assert_blas_size true ? (void)0 : arma_assert_blas_size
+ #define arma_debug_assert_atlas_size true ? (void)0 : arma_assert_atlas_size
+
+#else
+
+ #define arma_debug_print arma_print
+ #define arma_debug_warn arma_warn
+ #define arma_debug_warn_level arma_warn_level
+ #define arma_debug_check arma_check
+ #define arma_debug_check_bounds arma_check_bounds
+ #define arma_debug_set_error arma_set_error
+ #define arma_debug_assert_same_size arma_assert_same_size
+ #define arma_debug_assert_mul_size arma_assert_mul_size
+ #define arma_debug_assert_trans_mul_size arma_assert_trans_mul_size
+ #define arma_debug_assert_cube_as_mat arma_assert_cube_as_mat
+ #define arma_debug_assert_blas_size arma_assert_blas_size
+ #define arma_debug_assert_atlas_size arma_assert_atlas_size
+
+#endif
+
+
+
+#if defined(ARMA_EXTRA_DEBUG)
+
+ #define arma_extra_debug_sigprint arma_sigprint(ARMA_FNSIG); arma_bktprint
+ #define arma_extra_debug_sigprint_this arma_sigprint(ARMA_FNSIG); arma_thisprint
+ #define arma_extra_debug_print arma_print
+
+#else
+
+ #define arma_extra_debug_sigprint true ? (void)0 : arma_bktprint
+ #define arma_extra_debug_sigprint_this true ? (void)0 : arma_thisprint
+ #define arma_extra_debug_print true ? (void)0 : arma_print
+
+#endif
+
+
+
+
+#if defined(ARMA_EXTRA_DEBUG)
+
+ namespace junk
+ {
+ class arma_first_extra_debug_message
+ {
+ public:
+
+ inline
+ arma_first_extra_debug_message()
+ {
+ union
+ {
+ unsigned short a;
+ unsigned char b[sizeof(unsigned short)];
+ } endian_test;
+
+ endian_test.a = 1;
+
+ const bool little_endian = (endian_test.b[0] == 1);
+ const char* nickname = ARMA_VERSION_NAME;
+
+ std::ostream& out = get_cerr_stream();
+
+ out << "@ ---" << '\n';
+ out << "@ Armadillo "
+ << arma_version::major << '.' << arma_version::minor << '.' << arma_version::patch
+ << " (" << nickname << ")\n";
+
+ out << "@ arma_config::wrapper = " << arma_config::wrapper << '\n';
+ out << "@ arma_config::cxx14 = " << arma_config::cxx14 << '\n';
+ out << "@ arma_config::cxx17 = " << arma_config::cxx17 << '\n';
+ out << "@ arma_config::cxx20 = " << arma_config::cxx20 << '\n';
+ out << "@ arma_config::std_mutex = " << arma_config::std_mutex << '\n';
+ out << "@ arma_config::posix = " << arma_config::posix << '\n';
+ out << "@ arma_config::openmp = " << arma_config::openmp << '\n';
+ out << "@ arma_config::lapack = " << arma_config::lapack << '\n';
+ out << "@ arma_config::blas = " << arma_config::blas << '\n';
+ out << "@ arma_config::newarp = " << arma_config::newarp << '\n';
+ out << "@ arma_config::arpack = " << arma_config::arpack << '\n';
+ out << "@ arma_config::superlu = " << arma_config::superlu << '\n';
+ out << "@ arma_config::atlas = " << arma_config::atlas << '\n';
+ out << "@ arma_config::hdf5 = " << arma_config::hdf5 << '\n';
+ out << "@ arma_config::good_comp = " << arma_config::good_comp << '\n';
+ out << "@ arma_config::extra_code = " << arma_config::extra_code << '\n';
+ out << "@ arma_config::hidden_args = " << arma_config::hidden_args << '\n';
+ out << "@ arma_config::mat_prealloc = " << arma_config::mat_prealloc << '\n';
+ out << "@ arma_config::mp_threshold = " << arma_config::mp_threshold << '\n';
+ out << "@ arma_config::mp_threads = " << arma_config::mp_threads << '\n';
+ out << "@ arma_config::optimise_band = " << arma_config::optimise_band << '\n';
+ out << "@ arma_config::optimise_sym = " << arma_config::optimise_sym << '\n';
+ out << "@ arma_config::optimise_invexpr = " << arma_config::optimise_invexpr << '\n';
+ out << "@ arma_config::check_nonfinite = " << arma_config::check_nonfinite << '\n';
+ out << "@ arma_config::zero_init = " << arma_config::zero_init << '\n';
+ out << "@ arma_config::fast_math = " << arma_config::fast_math << '\n';
+ out << "@ sizeof(void*) = " << sizeof(void*) << '\n';
+ out << "@ sizeof(int) = " << sizeof(int) << '\n';
+ out << "@ sizeof(long) = " << sizeof(long) << '\n';
+ out << "@ sizeof(uword) = " << sizeof(uword) << '\n';
+ out << "@ sizeof(blas_int) = " << sizeof(blas_int) << '\n';
+ out << "@ little_endian = " << little_endian << '\n';
+ out << "@ ---" << std::endl;
+ }
+
+ };
+
+ static arma_first_extra_debug_message arma_first_extra_debug_message_run;
+ }
+
+#endif
+
+
+
+//! @}