File: GB_mex_about9.c

package info (click to toggle)
suitesparse-graphblas 7.4.0%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 67,112 kB
  • sloc: ansic: 1,072,243; cpp: 8,081; sh: 512; makefile: 503; asm: 369; python: 125; awk: 10
file content (184 lines) | stat: -rw-r--r-- 7,078 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
//------------------------------------------------------------------------------
// GB_mex_about9: still more basic tests (not for Windows)
//------------------------------------------------------------------------------

// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

//------------------------------------------------------------------------------

// Windows is limited to user-defined types of size 128 or less.

#include "GB_mex.h"
#include "GB_mex_errors.h"
#include "GB_stringify.h"

#define USAGE "GB_mex_about9"
#define FREE_ALL ;
#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;

typedef struct
{
    double stuff [32] ;
}
bigtype ;

 void f1 (void *z, const void *x) ;
 void f2 (void *z, const void *x, const void *y) ;
 void i1 (void *z, const void *x, GrB_Index i, GrB_Index j, const void *thunk) ;

#define F1                                                              \
"void f1 (void *z, const void *x) "                                     \
"{ (*((double *)z)) = 2*(*(double *)x) ; } "
 void f1 (void *z, const void *x)
 { (*((double *)z)) = 2*(*(double *)x) ; }

#define F2                                                              \
"void f2 (void *z, const void *x, const void *y) "                      \
"{ (*((double *)z)) = 2*(*(double *)x) + 1 ; }   "
 void f2 (void *z, const void *x, const void *y)
 { (*((double *)z)) = 2*(*(double *)x) + 1 ; }

#define I1                                                          \
"void i1 (void *z, const void *x, GrB_Index i, GrB_Index j, "       \
" const void *thunk) "                                              \
"{ (*((bool *)z)) = (i == j) ; }"
 void i1 (void *z, const void *x, GrB_Index i, GrB_Index j, const void *thunk)
 { (*((bool *)z)) = (i == j) ; }

#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;

void mexFunction
(
    int nargout,
    mxArray *pargout [ ],
    int nargin,
    const mxArray *pargin [ ]
)
{

    GrB_Info info ;

    //--------------------------------------------------------------------------
    // startup GraphBLAS
    //--------------------------------------------------------------------------

    bool malloc_debug = GB_mx_get_global (true) ;

    //--------------------------------------------------------------------------
    // user-defined type of 256 bytes
    //--------------------------------------------------------------------------

    GrB_Type BigType ;
    METHOD (GxB_Type_new (&BigType, sizeof (bigtype), "bigtype",
        "typedef struct { double stuff [32] ; } bigtype")) ;
    OK (GxB_Type_fprint (BigType, "(256-byte big type)", GxB_COMPLETE,
        stdout)) ;
    OK (GrB_Type_free (&BigType)) ;

    //--------------------------------------------------------------------------
    // user-defined operators
    //--------------------------------------------------------------------------

    GrB_UnaryOp op1 = NULL ;
    METHOD (GxB_UnaryOp_new (&op1, &f1, GrB_FP64, GrB_FP64, "f1", F1)) ;
    OK (GxB_UnaryOp_fprint (op1, "f1", GxB_COMPLETE, stdout)) ;
    OK (GrB_UnaryOp_free (&op1)) ;

    GrB_BinaryOp op2 = NULL ;
    METHOD (GxB_BinaryOp_new (&op2, &f2, GrB_FP64, GrB_FP64, GrB_FP64,
        "f2", F2)) ;
    OK (GxB_BinaryOp_fprint (op2, "f2", GxB_COMPLETE, stdout)) ;
    OK (GrB_BinaryOp_free (&op2)) ;

    GrB_IndexUnaryOp opi = NULL ;
    METHOD (GxB_IndexUnaryOp_new (&opi, &i1, GrB_FP64, GrB_FP64, GrB_FP64,
        "i1", I1)) ;
    OK (GxB_IndexUnaryOp_fprint (opi, "i1", GxB_COMPLETE, stdout)) ;
    OK (GrB_IndexUnaryOp_free (&opi)) ;

    //--------------------------------------------------------------------------
    // reduce an empty matrix to a scalar using the ANY monoid
    //--------------------------------------------------------------------------

    GrB_Matrix A ;
    OK (GrB_Matrix_new (&A, GrB_FP32, 10, 10)) ;
    OK (GxB_Matrix_fprint (A, "empty matrix", GxB_COMPLETE, stdout)) ;
    float x = 42 ;
    OK (GrB_Matrix_reduce_FP32 (&x, NULL, GxB_ANY_FP32_MONOID, A, NULL)) ;
    printf ("\nreduce empty matrix to non-opaque scalar via ANY: %g\n", x) ;

    GrB_Scalar s ;
    OK (GrB_Scalar_new (&s, GrB_FP32)) ;
    OK (GrB_Scalar_setElement_FP32 (s, 33)) ;
    OK (GxB_Scalar_fprint (s, "scalar == 33", GxB_COMPLETE, stdout)) ;
    OK (GrB_Matrix_reduce_Monoid_Scalar (s, NULL, GxB_ANY_FP32_MONOID, A,
        NULL)) ;
    printf ("\nreduce empty matrix to opaque scalar via ANY:\n") ;
    OK (GxB_Scalar_fprint (s, "empty scalar", GxB_COMPLETE, stdout)) ;

    OK (GrB_Matrix_free (&A)) ;
    OK (GrB_Scalar_free (&s)) ;

    //--------------------------------------------------------------------------
    // enumify, macrofy, and related methods
    //--------------------------------------------------------------------------

    const char *f = GB_charify_identity_or_terminal (31) ;
    CHECK (f != NULL && strlen (f) == 0) ;

    // Using GB_boolean_rename results in  these cases not being tested.
    int ecode = -1 ;
    GB_enumify_binop (&ecode, GB_MIN_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 18) ;
    GB_enumify_binop (&ecode, GB_MAX_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 17) ;
    GB_enumify_binop (&ecode, GB_TIMES_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 18) ;
    GB_enumify_binop (&ecode, GB_PLUS_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 17) ;
    GB_enumify_binop (&ecode, GB_NE_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 16) ;
    GB_enumify_binop (&ecode, GB_ISEQ_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 15) ;
    GB_enumify_binop (&ecode, GB_ISNE_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 16) ;
    GB_enumify_binop (&ecode, GB_DIV_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 1) ;
    GB_enumify_binop (&ecode, GB_RDIV_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 2) ;
    GB_enumify_binop (&ecode, GB_RMINUS_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 16) ;
    GB_enumify_binop (&ecode, GB_POW_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 71) ;
    GB_enumify_binop (&ecode, GB_MINUS_binop_code, GB_BOOL_code, false) ;
    CHECK (ecode == 16) ;

    GB_enumify_identity (&ecode, GB_MIN_binop_code, GB_BOOL_code) ;
    CHECK (ecode == 2) ;
    GB_enumify_identity (&ecode, GB_MAX_binop_code, GB_BOOL_code) ;
    CHECK (ecode == 3) ;

    ecode = -1 ;
    GB_enumify_terminal (&ecode, GB_TIMES_binop_code, GB_BOOL_code) ;
    CHECK (ecode == 3) ;
    ecode = -1 ;
    GB_enumify_terminal (&ecode, GB_MIN_binop_code, GB_BOOL_code) ;
    CHECK (ecode == 3) ;
    GB_enumify_terminal (&ecode, GB_MAX_binop_code, GB_BOOL_code) ;
    CHECK (ecode == 2) ;

    FILE *fp = fopen ("/tmp/GB_tcov_gunk.h", "w") ;
    GB_macrofy_binop (fp, "nothing", false, false, 199, NULL, false) ;
    fclose (fp) ;

    //--------------------------------------------------------------------------
    // wrapup
    //--------------------------------------------------------------------------

    GB_mx_put_global (true) ;
    printf ("\nGB_mex_about9: all tests passed\n\n") ;
}