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SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
This is the GraphBLAS/Demo folder. It contains a set of simple demo programs
that illustrate the use of GraphBLAS. To compile and run the demos, see
../README.txt. These methods are not meant as benchmarks; use LAGraph for
that.
--------------------------------------------------------------------------------
Files in this folder:
README.txt this file
demo run all demos
vdemo run all demos with valgrind
wdemo run the wathen_demo with larger matrices
--------------------------------------------------------------------------------
in Demo/Program:
--------------------------------------------------------------------------------
complex_demo.c a user-defined complex number type
context_demo.c how to use the GxB_Context for nested parallelism
gauss_demo.c the Gaussian integer: an int with real/imag parts
gauss.m the same as gauss_demo.c, but in MATLAB
grow_demo.c growing a matrix, one or many rows at a time
simple_demo.c a test for simple_rand
wathen_demo.c creating a finite element matrix
wildtype_demo.c an arbitrary user-defined type
--------------------------------------------------------------------------------
in Demo/Output:
--------------------------------------------------------------------------------
complex_demo_out2.m output of complex_demo
complex_demo_out.m output of complex_demo
context_demo.out output of context_demo
gauss_demo1.out output of gauss_demo
gauss_demo.out output of gauss_demo
simple_demo.out output of simple_demo
wathen_demo.out output of wathen_demo
wildtype_demo.out output of wildtype_demo
--------------------------------------------------------------------------------
in Demo/Include:
--------------------------------------------------------------------------------
get_matrix.c get a matrix (file, Wathen, or random)
graphblas_demos.h include file for all demos
isequal.c test if 2 matrices are equal
random_matrix.c create a random matrix
read_matrix.c read a matrix from a file (Matrix/*)
simple_rand.h simple random number generator
usercomplex.c user-defined double complex type
usercomplex.h include file for usercomplex.h
wathen.c GraphBLAS version of wathen.m
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in Demo/Matrix:
--------------------------------------------------------------------------------
folder with test matrices, with 0-based indices. Many of these are derived from
the Harwell/Boeing matrix collection. Contains:
2blocks
ash219
bcsstk01
cover.mtx
eye3
fs_183_1
huge
ibm32a
ibm32b
lp_afiro
mbeacxc
t1
t2
west0067
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