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function codegen_unop_template (unop, bfunc, ifunc, ufunc, ffunc, dfunc, ...
fcfunc, dcfunc)
%CODEGEN_UNOP_TEMPLATE create unop functions
%
% codegen_unop_template (unop, bfunc, ifunc, ufunc, ffunc, dfunc, ...
% fcfunc, dcfunc)
%
% unop: operator name
%
% strings defining each function, or empty if no such unary operator:
%
% bfunc: bool
% ifunc: int8, int16, int32, int64
% ufunc: uint8, uint16, uint32, uint64
% ffunc: float
% dfunc: double
% fcfunc: GxB_FC32_t
% dcfunc: GxB_FC64_t
%
% Generate functions for a unary operator, for all types.
%
% The 'identity' operator is unique: it is used for typecasting, and all 13*13
% pairs of functions are generated. The other unary operators are defined only
% for a single type (ctype == atype).
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
fprintf ('\n%-9s', unop) ;
types = {
'bool',
'int8_t',
'int16_t',
'int32_t',
'int64_t',
'uint8_t',
'uint16_t',
'uint32_t',
'uint64_t',
'float',
'double',
'GxB_FC32_t',
'GxB_FC64_t' } ;
bits = [
8
8
16
32
64
8
16
32
64
32
64
64
128 ] ;
ntypes = length (types) ;
for code1 = 1:ntypes
ctype = types {code1} ;
cbits = bits (code1) ;
% determine the function
if (isequal (ctype, 'bool'))
func = bfunc ;
elseif (ctype (1) == 'i')
func = ifunc ;
elseif (ctype (1) == 'u')
func = ufunc ;
elseif (isequal (ctype, 'float'))
func = ffunc ;
elseif (isequal (ctype, 'double'))
func = dfunc ;
elseif (isequal (ctype, 'GxB_FC32_t'))
func = fcfunc ;
elseif (isequal (ctype, 'GxB_FC64_t'))
func = dcfunc ;
end
if (isempty (func))
% skip this operator
continue ;
end
if (isequal (unop, 'identity'))
% create identity operators for all pairs of types
code2s = 1:ntypes ;
else
% create operators only for code1 == code2
code2s = code1 ;
end
for code2 = code2s
atype = types {code2} ;
% determine the casting function
fcast = 'GB_ctype zarg = (GB_ctype) xarg' ;
if (isequal (atype, ctype))
% no typecasting
fcast = 'GB_ctype zarg = xarg' ;
elseif (isequal (atype, 'GxB_FC32_t'))
% typecasting from GxB_FC32_t
if (isequal (ctype, 'bool'))
% to bool from GxB_FC32_t
fcast = 'GB_ctype zarg = (crealf (xarg) != 0) || (cimagf (xarg) != 0)' ;
elseif (codegen_contains (ctype, 'int'))
% to integer from GxB_FC32_t
fcast = sprintf ('GB_ctype zarg = GB_cast_to_%s ((double) crealf (xarg))', ctype) ;
elseif (isequal (ctype, 'float') || isequal (ctype, 'double'))
% to float or double from GxB_FC32_t
fcast = 'GB_ctype zarg = (GB_ctype) crealf (xarg)' ;
elseif (isequal (ctype, 'GxB_FC64_t'))
% to GxB_FC64_t from GxB_FC32_t
fcast = 'GB_ctype zarg = GxB_CMPLX ((double) crealf (xarg), (double) cimagf (xarg))' ;
end
elseif (isequal (atype, 'GxB_FC64_t'))
% typecasting from GxB_FC64_t
if (isequal (ctype, 'bool'))
% to bool from GxB_FC64_t
fcast = 'GB_ctype zarg = (creal (xarg) != 0) || (cimag (xarg) != 0)' ;
elseif (codegen_contains (ctype, 'int'))
% to integer from GxB_FC64_t
fcast = sprintf ('GB_ctype zarg = GB_cast_to_%s (creal (xarg))', ctype) ;
elseif (isequal (ctype, 'float') || isequal (ctype, 'double'))
% to float or double from GxB_FC64_t
fcast = 'GB_ctype zarg = (GB_ctype) creal (xarg)' ;
elseif (isequal (ctype, 'GxB_FC32_t'))
% to GxB_FC32_t from GxB_FC64_t
fcast = 'GB_ctype zarg = GxB_CMPLXF ((float) creal (xarg), (float) cimag (xarg))' ;
end
elseif (isequal (atype, 'float') || isequal (atype, 'double'))
% typecasting from float or double
if (isequal (ctype, 'bool'))
% to bool from float or double
fcast = 'GB_ctype zarg = (xarg != 0)' ;
elseif (codegen_contains (ctype, 'int'))
% to integer from float or double
fcast = sprintf ('GB_ctype zarg = GB_cast_to_%s ((double) (xarg))', ctype) ;
elseif (isequal (ctype, 'GxB_FC32_t'))
% to GxB_FC32_t from float or double
fcast = 'GB_ctype zarg = GxB_CMPLXF ((float) (xarg), 0)' ;
elseif (isequal (ctype, 'GxB_FC64_t'))
% to GxB_FC64_t from float or double
fcast = 'GB_ctype zarg = GxB_CMPLX ((double) (xarg), 0)' ;
end
elseif (isequal (ctype, 'GxB_FC32_t'))
% typecasting to GxB_FC32_t to any real type
fcast = 'GB_ctype zarg = GxB_CMPLXF ((float) (xarg), 0)' ;
elseif (isequal (ctype, 'GxB_FC64_t'))
% typecasting to GxB_FC32_t to any real type
fcast = 'GB_ctype zarg = GxB_CMPLX ((double) (xarg), 0)' ;
end
codegen_unop_method (unop, func, fcast, ctype, atype) ;
end
end
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