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Separated unary and binary operators

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[SVN r12540]
This commit is contained in:
Vesa Karvonen 2002-01-29 07:39:06 +00:00
parent 035c5abcd0
commit 2c352e415d
1 changed files with 27 additions and 30 deletions
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57
example/array_arithmetic.c
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@ -32,10 +32,14 @@
#include <stddef.h>
/*sym , name ,bin,flt,log,sh?,com*/
#define OPS\
#define UNARY_OPS\
(( ! , logical_not , 0 , 1 , 1 , 0 , 0 ),\
(( ~ , bitwise_not , 0 , 0 , 0 , 0 , 0 ),\
(( - , neg , 0 , 1 , 0 , 0 , 0 ),\
(_,_,0),1),1),1)
/*sym , name ,bin,flt,log,sh?,com*/
#define BINARY_OPS\
(( * , mul , 1 , 1 , 0 , 0 , 1 ),\
(( / , div , 1 , 1 , 0 , 0 , 0 ),\
(( % , mod , 1 , 0 , 0 , 0 , 0 ),\
@ -54,7 +58,7 @@
(( ^ , bitwise_xor , 1 , 0 , 0 , 0 , 1 ),\
(( && , logical_and , 1 , 1 , 1 , 0 , 1 ),\
(( || , logical_or , 1 , 1 , 1 , 0 , 1 ),\
(_,_,0),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1)
(_,_,0),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1),1)
#define OP_SYMBOL(O) BOOST_PP_TUPLE7_ELEM0 O
#define OP_NAME(O) BOOST_PP_TUPLE7_ELEM1 O
@ -100,48 +104,41 @@
)
#define TYPE_IS_SAME(L,R) BOOST_PP_EQUAL(TYPE_RANK(L),TYPE_RANK(R))
#define INTEGER_PROMOTION(T) BOOST_PP_IF(BOOST_PP_LESS(TYPE_RANK(T),TYPE_RANK(TYPE_INT)),TYPE_INT,T)
#define UNARY_OP_RESULT(O,T) BOOST_PP_IF(OP_IS_LOGICAL(O),TYPE_INT,INTEGER_PROMOTION(T))
/* Integer promotion and usual arithmetic conversions */
#define INTEGER_PROMOTION(T) BOOST_PP_IF(BOOST_PP_LESS(TYPE_RANK(T),TYPE_RANK(TYPE_INT)),TYPE_INT,T)
#define USUAL_ARITHMETIC_CONVERSION(L,R) INTEGER_PROMOTION(BOOST_PP_IF(BOOST_PP_LESS(TYPE_RANK(L),TYPE_RANK(R)),R,L))
#define BINARY_OP_RESULT(O,L,R)\
BOOST_PP_IF\
( OP_IS_LOGICAL(O)\
, TYPE_INT\
, BOOST_PP_IF\
( OP_IS_SHIFT(O)\
, INTEGER_PROMOTION(L)\
, USUAL_ARITHMETIC_CONVERSION(L,R)\
)\
)
#define INSTANTIATE(_,L)\
INSTANTIATE_HELPER(BOOST_PP_LIST_AT(L,2),BOOST_PP_LIST_AT(L,1),BOOST_PP_LIST_AT(L,0))
#define INSTANTIATE_HELPER(O,L,R)\
BOOST_PP_IF(OP_IS_BINARY(O),INSTANTIATE_BINARY,INSTANTIATE_UNARY)(O,L,R)
#define UNARY_OP_RESULT(O,T) BOOST_PP_IF(OP_IS_LOGICAL(O),TYPE_INT,INTEGER_PROMOTION(T))
#define BINARY_OP_RESULT(O,L,R) BOOST_PP_IF(OP_IS_LOGICAL(O),TYPE_INT,BOOST_PP_IF(OP_IS_SHIFT(O),INTEGER_PROMOTION(L),USUAL_ARITHMETIC_CONVERSION(L,R)))
#define INSTANTIATE_UNARY(O,L,R)\
#define UNARY_ARRAY_OP(_,L)\
UNARY_ARRAY_OP2(BOOST_PP_LIST_AT(L,1),BOOST_PP_LIST_AT(L,0))
#define UNARY_ARRAY_OP2(O,T)\
BOOST_PP_IF\
( BOOST_PP_AND\
( TYPE_IS_SAME(L,R)\
, BOOST_PP_NOT_EQUAL(BOOST_PP_ADD(BOOST_PP_MUL(2,TYPE_IS_FLOATING(L)),OP_IS_FLOATING(O)),2)\
)\
, INSTANTIATE_UNARY_HELPER\
( BOOST_PP_NOT_EQUAL(BOOST_PP_ADD(BOOST_PP_MUL(2,TYPE_IS_FLOATING(T)),OP_IS_FLOATING(O)),2)\
, UNARY_ARRAY_OP3\
, BOOST_PP_TUPLE_EAT(2)\
)(O,L)
#define INSTANTIATE_UNARY_HELPER(O,T)\
)(O,T)
#define UNARY_ARRAY_OP3(O,T)\
void BOOST_PP_CAT4(array_,OP_NAME(O),_,TYPE_ABBREVIATION(T))\
(const TYPE_NAME(T)* in, TYPE_NAME(UNARY_OP_RESULT(O,T))* out, size_t n)\
{ do { *out++ = OP_SYMBOL(O) *in++; } while (--n); }
#define INSTANTIATE_BINARY(O,L,R)\
/* Unary array ops */
BOOST_PP_LIST_FOR_EACH_PRODUCT(UNARY_ARRAY_OP,_,BOOST_PP_TUPLE_TO_LIST(2,(UNARY_OPS,TYPES)))
#define BINARY_ARRAY_OP(_,L)\
BINARY_ARRAY_OP2(BOOST_PP_LIST_AT(L,2),BOOST_PP_LIST_AT(L,1),BOOST_PP_LIST_AT(L,0))
#define BINARY_ARRAY_OP2(O,L,R)\
BOOST_PP_IF\
( BOOST_PP_NOT_EQUAL(BOOST_PP_ADD(BOOST_PP_MUL(2,BOOST_PP_OR(TYPE_IS_FLOATING(L),TYPE_IS_FLOATING(R))),OP_IS_FLOATING(O)),2)\
, INSTANTIATE_BINARY_HELPER\
, BINARY_ARRAY_OP3\
, BOOST_PP_TUPLE_EAT(3)\
)(O,L,R)
#define INSTANTIATE_BINARY_HELPER(O,L,R)\
#define BINARY_ARRAY_OP3(O,L,R)\
void BOOST_PP_CAT6(array_,OP_NAME(O),_,TYPE_ABBREVIATION(L),_,TYPE_ABBREVIATION(R))\
(const TYPE_NAME(L)* lhs_in, const TYPE_NAME(R)* rhs_in, TYPE_NAME(BINARY_OP_RESULT(O,L,R))* out, size_t n)\
{ do { *out++ = *lhs_in++ OP_SYMBOL(O) *rhs_in++; } while (--n); }
BOOST_PP_LIST_FOR_EACH_PRODUCT(INSTANTIATE,_,BOOST_PP_TUPLE_TO_LIST(3,(OPS,TYPES,TYPES)))
/* Binary array ops */
BOOST_PP_LIST_FOR_EACH_PRODUCT(BINARY_ARRAY_OP,_,BOOST_PP_TUPLE_TO_LIST(3,(BINARY_OPS,TYPES,TYPES)))