Mercurial > hg > segmenter-vamp-plugin
annotate armadillo-3.900.4/include/armadillo_bits/fn_trunc_exp.hpp @ 84:55a047986812 tip
Update library URI so as not to be document-local
author | Chris Cannam |
---|---|
date | Wed, 22 Apr 2020 14:21:57 +0100 |
parents | 1ec0e2823891 |
children |
rev | line source |
---|---|
Chris@49 | 1 // Copyright (C) 2008-2010 NICTA (www.nicta.com.au) |
Chris@49 | 2 // Copyright (C) 2008-2012 Conrad Sanderson |
Chris@49 | 3 // |
Chris@49 | 4 // This Source Code Form is subject to the terms of the Mozilla Public |
Chris@49 | 5 // License, v. 2.0. If a copy of the MPL was not distributed with this |
Chris@49 | 6 // file, You can obtain one at http://mozilla.org/MPL/2.0/. |
Chris@49 | 7 |
Chris@49 | 8 |
Chris@49 | 9 |
Chris@49 | 10 //! \addtogroup fn_trunc_exp |
Chris@49 | 11 //! @{ |
Chris@49 | 12 |
Chris@49 | 13 |
Chris@49 | 14 |
Chris@49 | 15 template<typename eT> |
Chris@49 | 16 inline |
Chris@49 | 17 static |
Chris@49 | 18 typename arma_real_only<eT>::result |
Chris@49 | 19 trunc_exp(const eT x) |
Chris@49 | 20 { |
Chris@49 | 21 if(std::numeric_limits<eT>::is_iec559 && (x >= Math<eT>::log_max() )) |
Chris@49 | 22 { |
Chris@49 | 23 return std::numeric_limits<eT>::max(); |
Chris@49 | 24 } |
Chris@49 | 25 else |
Chris@49 | 26 { |
Chris@49 | 27 return std::exp(x); |
Chris@49 | 28 } |
Chris@49 | 29 } |
Chris@49 | 30 |
Chris@49 | 31 |
Chris@49 | 32 |
Chris@49 | 33 template<typename eT> |
Chris@49 | 34 inline |
Chris@49 | 35 static |
Chris@49 | 36 typename arma_integral_only<eT>::result |
Chris@49 | 37 trunc_exp(const eT x) |
Chris@49 | 38 { |
Chris@49 | 39 return eT( trunc_exp( double(x) ) ); |
Chris@49 | 40 } |
Chris@49 | 41 |
Chris@49 | 42 |
Chris@49 | 43 |
Chris@49 | 44 template<typename T> |
Chris@49 | 45 inline |
Chris@49 | 46 static |
Chris@49 | 47 std::complex<T> |
Chris@49 | 48 trunc_exp(const std::complex<T>& x) |
Chris@49 | 49 { |
Chris@49 | 50 return std::polar( trunc_exp( x.real() ), x.imag() ); |
Chris@49 | 51 } |
Chris@49 | 52 |
Chris@49 | 53 |
Chris@49 | 54 |
Chris@49 | 55 template<typename T1> |
Chris@49 | 56 arma_inline |
Chris@49 | 57 const eOp<T1, eop_trunc_exp> |
Chris@49 | 58 trunc_exp(const Base<typename T1::elem_type,T1>& A) |
Chris@49 | 59 { |
Chris@49 | 60 arma_extra_debug_sigprint(); |
Chris@49 | 61 |
Chris@49 | 62 return eOp<T1, eop_trunc_exp>(A.get_ref()); |
Chris@49 | 63 } |
Chris@49 | 64 |
Chris@49 | 65 |
Chris@49 | 66 |
Chris@49 | 67 template<typename T1> |
Chris@49 | 68 arma_inline |
Chris@49 | 69 const eOpCube<T1, eop_trunc_exp> |
Chris@49 | 70 trunc_exp(const BaseCube<typename T1::elem_type,T1>& A) |
Chris@49 | 71 { |
Chris@49 | 72 arma_extra_debug_sigprint(); |
Chris@49 | 73 |
Chris@49 | 74 return eOpCube<T1, eop_trunc_exp>(A.get_ref()); |
Chris@49 | 75 } |
Chris@49 | 76 |
Chris@49 | 77 |
Chris@49 | 78 |
Chris@49 | 79 //! @} |