Mercurial > octave
view examples/code/make_int.cc @ 22197:e43d83253e28
refill multi-line macro definitions
Use the Emacs C++ mode style for line continuation markers in
multi-line macro definitions.
* make_int.cc, __dsearchn__.cc, __magick_read__.cc, besselj.cc,
bitfcns.cc, bsxfun.cc, cellfun.cc, data.cc, defun-dld.h, defun-int.h,
defun.h, det.cc, error.h, find.cc, gcd.cc, graphics.cc, interpreter.h,
jit-ir.h, jit-typeinfo.h, lookup.cc, ls-mat5.cc, max.cc, mexproto.h,
mxarray.in.h, oct-stream.cc, ordschur.cc, pr-output.cc, profiler.h,
psi.cc, regexp.cc, sparse-xdiv.cc, sparse-xpow.cc, tril.cc, txt-eng.h,
utils.cc, variables.cc, variables.h, xdiv.cc, xpow.cc, __glpk__.cc,
ov-base.cc, ov-base.h, ov-cell.cc, ov-ch-mat.cc, ov-classdef.cc,
ov-complex.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-float.cc, ov-float.h,
ov-flt-complex.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc,
ov-int-traits.h, ov-lazy-idx.h, ov-perm.cc, ov-re-mat.cc,
ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc,
ov-type-conv.h, ov.cc, ov.h, op-class.cc, op-int-conv.cc, op-int.h,
op-str-str.cc, ops.h, lex.ll, Array.cc, CMatrix.cc, CSparse.cc,
MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse.h,
Sparse.cc, dMatrix.cc, dSparse.cc, fCMatrix.cc, fMatrix.cc,
idx-vector.cc, f77-fcn.h, quit.h, bsxfun-decl.h, bsxfun-defs.cc,
lo-specfun.cc, oct-convn.cc, oct-convn.h, oct-norm.cc, oct-norm.h,
oct-rand.cc, Sparse-op-decls.h, Sparse-op-defs.h, mx-inlines.cc,
mx-op-decl.h, mx-op-defs.h, mach-info.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, oct-time.cc, data-conv.cc, kpse.cc, lo-ieee.h,
lo-macros.h, oct-cmplx.h, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.h, oct-sparse.h, url-transfer.cc,
oct-conf-post.in.h, shared-fcns.h: Refill macro definitions.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 01 Aug 2016 12:40:18 -0400 |
parents | 2aef506f3fec |
children | 87e3163f6c87 |
line wrap: on
line source
#include <octave/config.h> #include <cstdlib> #include <string> #include <ostream> #include <octave/lo-mappers.h> #include <octave/lo-utils.h> #include <octave/mx-base.h> #include <octave/str-vec.h> #include <octave/defun-dld.h> #include <octave/error.h> #include <octave/gripes.h> #include <octave/oct-obj.h> #include <octave/ops.h> #include <octave/ov-base.h> #include <octave/ov-typeinfo.h> #include <octave/ov.h> #include <octave/ov-scalar.h> #include <octave/pager.h> #include <octave/pr-output.h> #include <octave/symtab.h> #include <octave/variables.h> class octave_value_list; class tree_walker; // Integer values. class octave_integer : public octave_base_value { public: octave_integer (void) : octave_base_value (), scalar (0) { } octave_integer (int i) : octave_base_value (), scalar (i) { } octave_integer (const octave_integer& s) : octave_base_value (), scalar (s.scalar) { } ~octave_integer (void) { } octave_base_value *clone (void) { return new octave_integer (*this); } #if 0 void *operator new (size_t size); void operator delete (void *p, size_t size); #endif idx_vector index_vector (void) const { return idx_vector ((double) scalar); } int rows (void) const { return 1; } int columns (void) const { return 1; } bool is_constant (void) const { return true; } bool is_defined (void) const { return true; } bool is_real_scalar (void) const { return true; } octave_value all (void) const { return (double) (scalar != 0); } octave_value any (void) const { return (double) (scalar != 0); } bool is_real_type (void) const { return true; } bool is_scalar_type (void) const { return true; } bool is_numeric_type (void) const { return true; } bool valid_as_scalar_index (void) const { return scalar == 1; } bool valid_as_zero_index (void) const { return scalar == 0; } bool is_true (void) const { return (scalar != 0); } double double_value (bool = false) const { return (double) scalar; } int integer_value (bool = false) const { return scalar; } Matrix matrix_value (bool = false) const { return Matrix (1, 1, scalar); } Complex complex_value (bool = false) const { return scalar; } ComplexMatrix complex_matrix_value (bool = false) const { return ComplexMatrix (1, 1, Complex (scalar)); } octave_value gnot (void) const { return octave_value ((double) ! scalar); } octave_value uminus (void) const { return new octave_integer (- scalar); } octave_value transpose (void) const { return new octave_integer (scalar); } octave_value hermitian (void) const { return new octave_integer (scalar); } void increment (void) { ++scalar; } void decrement (void) { --scalar; } void print (std::ostream& os, bool pr_as_read_syntax = false); private: int scalar; DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA }; void octave_integer::print (std::ostream& os, bool pr_as_read_syntax) { os << scalar; newline (os); } #if defined (DEFUNOP_OP) #undef DEFUNOP_OP #endif #define DEFUNOP_OP(name, t, op) \ static octave_value \ CONCAT2(oct_unop_, name) (const octave_base_value& a) \ { \ const octave_ ## t& v = dynamic_cast<const octave_ ## t&> (a); \ return octave_value (new octave_integer (op v.t ## _value ())); \ } DEFUNOP_OP (gnot, integer, !) DEFUNOP_OP (uminus, integer, -) DEFUNOP_OP (transpose, integer, /* no-op */) DEFUNOP_OP (hermitian, integer, /* no-op */) DEFNCUNOP_METHOD (incr, integer, increment) DEFNCUNOP_METHOD (decr, integer, decrement) #if defined (DEFBINOP_OP) #undef DEFBINOP_OP #endif #define DEFBINOP_OP(name, t1, t2, op) \ static octave_value \ CONCAT2(oct_binop_, name) (const octave_base_value& a1, \ const octave_base_value& a2) \ { \ const octave_ ## t1& v1 = dynamic_cast<const octave_ ## t1&> (a1); \ const octave_ ## t2& v2 = dynamic_cast<const octave_ ## t2&> (a2); \ return octave_value \ (new octave_integer (v1.t1 ## _value () op v2.t2 ## _value ())); \ } // integer by integer ops. DEFBINOP_OP (add, integer, integer, +) DEFBINOP_OP (sub, integer, integer, -) DEFBINOP_OP (mul, integer, integer, *) DEFBINOP (div, integer, integer) { const octave_integer& v1 = dynamic_cast<const octave_integer&> (a1); const octave_integer& v2 = dynamic_cast<const octave_integer&> (a2); int d = v2.integer_value (); if (d == 0) gripe_divide_by_zero (); return new octave_integer (v1.integer_value () / d); } DEFBINOP (i_s_div, integer, scalar) { const octave_integer& v1 = dynamic_cast<const octave_integer&> (a1); const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2); double d = v2.double_value (); if (d == 0.0) gripe_divide_by_zero (); return new octave_scalar (v1.double_value () / d); } DEFBINOP (ldiv, integer, integer) { const octave_integer& v1 = dynamic_cast<const octave_integer&> (a1); const octave_integer& v2 = dynamic_cast<const octave_integer&> (a2); int d = v1.integer_value (); if (d == 0) gripe_divide_by_zero (); return new octave_integer (v2.integer_value () / d); } DEFBINOP_OP (lt, integer, integer, <) DEFBINOP_OP (le, integer, integer, <=) DEFBINOP_OP (eq, integer, integer, ==) DEFBINOP_OP (ge, integer, integer, >=) DEFBINOP_OP (gt, integer, integer, >) DEFBINOP_OP (ne, integer, integer, !=) DEFBINOP_OP (el_mul, integer, integer, !=) DEFBINOP (el_div, integer, integer) { const octave_integer& v1 = dynamic_cast<const octave_integer&> (a1); const octave_integer& v2 = dynamic_cast<const octave_integer&> (a2); int d = v2.integer_value (); if (d == 0) gripe_divide_by_zero (); return new octave_integer (v1.integer_value () / d); } DEFBINOP (el_ldiv, integer, integer) { const octave_integer& v1 = dynamic_cast<const octave_integer&> (a1); const octave_integer& v2 = dynamic_cast<const octave_integer&> (a2); int d = v1.integer_value (); if (d == 0) gripe_divide_by_zero (); return new octave_integer (v2.integer_value () / d); } DEFBINOP_OP (el_and, integer, integer, &&) DEFBINOP_OP (el_or, integer, integer, ||) DEFUN_DLD (make_int, args, , "int_val = make_int (val)\n\ \n\ Creates an integer variable from VAL.") { static bool type_loaded = false; if (! type_loaded) { octave_integer::register_type (); mlock (); octave_stdout << "installing integer type at type-id = " << octave_integer::static_type_id () << "\n"; INSTALL_UNOP (op_not, octave_integer, gnot); INSTALL_UNOP (op_uminus, octave_integer, uminus); INSTALL_UNOP (op_transpose, octave_integer, transpose); INSTALL_UNOP (op_hermitian, octave_integer, hermitian); INSTALL_NCUNOP (op_incr, octave_integer, incr); INSTALL_NCUNOP (op_decr, octave_integer, decr); INSTALL_BINOP (op_add, octave_integer, octave_integer, add); INSTALL_BINOP (op_sub, octave_integer, octave_integer, sub); INSTALL_BINOP (op_mul, octave_integer, octave_integer, mul); INSTALL_BINOP (op_div, octave_integer, octave_integer, div); INSTALL_BINOP (op_ldiv, octave_integer, octave_integer, ldiv); INSTALL_BINOP (op_lt, octave_integer, octave_integer, lt); INSTALL_BINOP (op_le, octave_integer, octave_integer, le); INSTALL_BINOP (op_eq, octave_integer, octave_integer, eq); INSTALL_BINOP (op_ge, octave_integer, octave_integer, ge); INSTALL_BINOP (op_gt, octave_integer, octave_integer, gt); INSTALL_BINOP (op_ne, octave_integer, octave_integer, ne); INSTALL_BINOP (op_el_mul, octave_integer, octave_integer, el_mul); INSTALL_BINOP (op_el_div, octave_integer, octave_integer, el_div); INSTALL_BINOP (op_el_ldiv, octave_integer, octave_integer, el_ldiv); INSTALL_BINOP (op_el_and, octave_integer, octave_integer, el_and); INSTALL_BINOP (op_el_or, octave_integer, octave_integer, el_or); INSTALL_BINOP (op_div, octave_integer, octave_scalar, i_s_div); } octave_value retval; if (args.length () == 1) { double d = args(0).double_value (); retval = octave_value (new octave_integer (octave::math::nint (d))); } else print_usage (); return retval; } DEFUN_DLD (doit, args, , "doit (I)") { octave_value_list retval; if (args(0).type_id () == octave_integer::static_type_id ()) { // At this point, we know we have a handle for an octave_integer // object, so we can peek at the representation and extract the // data. const octave_base_value& rep = args(0).get_rep (); int my_value = ((const octave_integer&) rep) . integer_value (); message ("doit", "your lucky number is: %d", my_value); } else gripe_wrong_type_arg ("doit", args(0)); return retval; } DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_integer, "integer", "integer");