| 1 | /*************************************************************************** |
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| 2 | * blitz/array/misc.cc Miscellaneous operators for arrays |
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| 3 | * |
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| 4 | * Copyright (C) 1997-2001 Todd Veldhuizen <tveldhui@oonumerics.org> |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU General Public License |
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| 8 | * as published by the Free Software Foundation; either version 2 |
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| 9 | * of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * Suggestions: blitz-dev@oonumerics.org |
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| 17 | * Bugs: blitz-bugs@oonumerics.org |
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| 18 | * |
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| 19 | * For more information, please see the Blitz++ Home Page: |
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| 20 | * http://oonumerics.org/blitz/ |
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| 21 | * |
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| 22 | ****************************************************************************/ |
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| 23 | #ifndef BZ_ARRAYMISC_CC |
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| 24 | #define BZ_ARRAYMISC_CC |
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| 25 | |
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| 26 | #ifndef BZ_ARRAY_H |
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| 27 | #error <blitz/array/misc.cc> must be included via <blitz/array.h> |
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| 28 | #endif |
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| 29 | |
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| 30 | BZ_NAMESPACE(blitz) |
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| 31 | |
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| 32 | #define BZ_ARRAY_DECLARE_UOP(fn, fnobj) \ |
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| 33 | template<typename T_numtype, int N_rank> \ |
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| 34 | inline \ |
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| 35 | _bz_ArrayExpr<_bz_ArrayExprUnaryOp<FastArrayIterator<T_numtype,N_rank>, \ |
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| 36 | fnobj<T_numtype> > > \ |
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| 37 | fn(const Array<T_numtype,N_rank>& array) \ |
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| 38 | { \ |
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| 39 | return _bz_ArrayExprUnaryOp<FastArrayIterator<T_numtype,N_rank>, \ |
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| 40 | fnobj<T_numtype> >(array.beginFast()); \ |
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| 41 | } \ |
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| 42 | \ |
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| 43 | template<typename T_expr> \ |
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| 44 | inline \ |
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| 45 | _bz_ArrayExpr<_bz_ArrayExprUnaryOp<_bz_ArrayExpr<T_expr>, \ |
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| 46 | fnobj<_bz_typename T_expr::T_numtype> > > \ |
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| 47 | fn(BZ_ETPARM(_bz_ArrayExpr<T_expr>) expr) \ |
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| 48 | { \ |
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| 49 | return _bz_ArrayExprUnaryOp<_bz_ArrayExpr<T_expr>, \ |
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| 50 | fnobj<_bz_typename T_expr::T_numtype> >(expr); \ |
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| 51 | } |
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| 52 | |
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| 53 | BZ_ARRAY_DECLARE_UOP(operator!, LogicalNot) |
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| 54 | BZ_ARRAY_DECLARE_UOP(operator~, BitwiseNot) |
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| 55 | BZ_ARRAY_DECLARE_UOP(operator-, Negate) |
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| 56 | |
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| 57 | /* |
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| 58 | * cast() functions, for explicit type casting |
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| 59 | */ |
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| 60 | |
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| 61 | template<typename T_numtype, int N_rank, typename T_cast> |
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| 62 | inline |
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| 63 | _bz_ArrayExpr<_bz_ArrayExprUnaryOp<FastArrayIterator<T_numtype,N_rank>, |
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| 64 | Cast<T_numtype, T_cast> > > |
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| 65 | cast(const Array<T_numtype,N_rank>& array, T_cast) |
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| 66 | { |
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| 67 | return _bz_ArrayExprUnaryOp<FastArrayIterator<T_numtype,N_rank>, |
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| 68 | Cast<T_numtype,T_cast> >(array.beginFast()); |
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| 69 | } |
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| 70 | |
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| 71 | template<typename T_expr, typename T_cast> |
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| 72 | inline |
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| 73 | _bz_ArrayExpr<_bz_ArrayExprUnaryOp<_bz_ArrayExpr<T_expr>, |
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| 74 | Cast<_bz_typename T_expr::T_numtype,T_cast> > > |
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| 75 | cast(BZ_ETPARM(_bz_ArrayExpr<T_expr>) expr, T_cast) |
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| 76 | { |
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| 77 | return _bz_ArrayExprUnaryOp<_bz_ArrayExpr<T_expr>, |
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| 78 | Cast<_bz_typename T_expr::T_numtype,T_cast> >(expr); |
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| 79 | } |
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| 80 | |
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| 81 | BZ_NAMESPACE_END |
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| 82 | |
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| 83 | #endif // BZ_ARRAYMISC_CC |
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| 84 | |
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