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import bz2
import gzip
import lzma
import platform
from pathlib import Path
import pytest
from suitesparse_graphblas import (
bool_types,
check_status,
complex_types,
ffi,
grb_types,
lib,
matrix,
real_types,
signed_integer_types,
supports_complex,
unsigned_integer_types,
vector,
)
if platform.system() == "Windows":
pytest.skip("skipping windows-only tests", allow_module_level=True)
from suitesparse_graphblas.io import binary # isort:skip
NULL = ffi.NULL
def _test_elements(T):
if T in bool_types:
return [True, False], [0, 0], [1, 1]
elif T in signed_integer_types:
return [1, -42], [0, 0], [1, 1]
elif T in unsigned_integer_types:
return [1, 42], [0, 0], [1, 1]
elif T in real_types:
return [1.0, -42.42], [0, 0], [1, 1]
elif T in complex_types:
return [complex(1.0, 1.0), complex(42.0, -42.0)], [0, 0], [1, 1]
_element_setters = {
lib.GrB_BOOL: lib.GrB_Matrix_setElement_BOOL,
lib.GrB_INT8: lib.GrB_Matrix_setElement_INT8,
lib.GrB_INT16: lib.GrB_Matrix_setElement_INT16,
lib.GrB_INT32: lib.GrB_Matrix_setElement_INT32,
lib.GrB_INT64: lib.GrB_Matrix_setElement_INT64,
lib.GrB_UINT8: lib.GrB_Matrix_setElement_UINT8,
lib.GrB_UINT16: lib.GrB_Matrix_setElement_UINT16,
lib.GrB_UINT32: lib.GrB_Matrix_setElement_UINT32,
lib.GrB_UINT64: lib.GrB_Matrix_setElement_UINT64,
lib.GrB_FP32: lib.GrB_Matrix_setElement_FP32,
lib.GrB_FP64: lib.GrB_Matrix_setElement_FP64,
}
if supports_complex():
_element_setters.update(
{
lib.GxB_FC32: lib.GxB_Matrix_setElement_FC32,
lib.GxB_FC64: lib.GxB_Matrix_setElement_FC64,
}
)
_eq_ops = {
lib.GrB_BOOL: lib.GrB_EQ_BOOL,
lib.GrB_INT8: lib.GrB_EQ_INT8,
lib.GrB_INT16: lib.GrB_EQ_INT16,
lib.GrB_INT32: lib.GrB_EQ_INT32,
lib.GrB_INT64: lib.GrB_EQ_INT64,
lib.GrB_UINT8: lib.GrB_EQ_UINT8,
lib.GrB_UINT16: lib.GrB_EQ_UINT16,
lib.GrB_UINT32: lib.GrB_EQ_UINT32,
lib.GrB_UINT64: lib.GrB_EQ_UINT64,
lib.GrB_FP32: lib.GrB_EQ_FP32,
lib.GrB_FP64: lib.GrB_EQ_FP64,
}
if supports_complex():
_eq_ops.update(
{
lib.GxB_FC32: lib.GxB_EQ_FC32,
lib.GxB_FC64: lib.GxB_EQ_FC64,
}
)
def test_serialize_matrix():
T = lib.GrB_INT64
A = matrix.new(T, 2, 2)
for args in zip(*_test_elements(T)):
f = _element_setters[T]
check_status(A, f(A[0], *args))
data = matrix.serialize(A)
B = matrix.deserialize(data)
# Test equal
C = matrix.new(lib.GrB_BOOL, 2, 2)
check_status(
C,
lib.GrB_Matrix_eWiseAdd_BinaryOp(C[0], NULL, NULL, _eq_ops[T], A[0], B[0], NULL),
)
assert matrix.nvals(A) == matrix.nvals(B) == matrix.nvals(C)
is_eq = ffi.new("bool*")
check_status(
C,
lib.GrB_Matrix_reduce_BOOL(is_eq, NULL, lib.GrB_LAND_MONOID_BOOL, C[0], NULL),
)
assert is_eq[0]
def test_serialize_vector():
T = lib.GrB_INT64
v = vector.new(T, 3)
check_status(v, lib.GrB_Vector_setElement_INT64(v[0], 2, 0))
check_status(v, lib.GrB_Vector_setElement_INT64(v[0], 10, 1))
data = vector.serialize(v, lib.GxB_COMPRESSION_LZ4HC, level=7)
w = vector.deserialize(data)
# Test equal
x = vector.new(lib.GrB_BOOL, 3)
check_status(
x,
lib.GrB_Vector_eWiseAdd_BinaryOp(x[0], NULL, NULL, _eq_ops[T], v[0], w[0], NULL),
)
assert vector.nvals(v) == vector.nvals(w) == vector.nvals(x)
is_eq = ffi.new("bool*")
check_status(
x,
lib.GrB_Vector_reduce_BOOL(is_eq, NULL, lib.GrB_LAND_MONOID_BOOL, x[0], NULL),
)
assert is_eq[0]
def test_matrix_binfile_read_write(tmp_path):
for opener in (Path.open, gzip.open, bz2.open, lzma.open):
for format in (lib.GxB_BY_ROW, lib.GxB_BY_COL):
for T in grb_types:
for sparsity in (lib.GxB_HYPERSPARSE, lib.GxB_SPARSE, lib.GxB_BITMAP, lib.GxB_FULL):
A = matrix.new(T, 2, 2)
if T is not lib.GxB_FULL:
for args in zip(*_test_elements(T)):
f = _element_setters[T]
check_status(A, f(A[0], *args))
else:
Tone = _test_elements(T)[0][0]
check_status(
A[0],
lib.GrB_assign(
A,
NULL,
NULL,
Tone,
lib.GrB_ALL,
0,
lib.GrB_ALL,
0,
NULL,
),
)
matrix.set_sparsity_control(A, sparsity)
matrix.set_format(A, format)
binfilef = tmp_path / "binfilewrite_test.binfile"
binary.binwrite(A, binfilef, opener=opener)
B = binary.binread(binfilef, opener=opener)
assert matrix.type(A) == matrix.type(B)
assert matrix.nrows(A) == matrix.nrows(B)
assert matrix.ncols(A) == matrix.ncols(B)
assert matrix.hyper_switch(A) == matrix.hyper_switch(B)
assert matrix.bitmap_switch(A) == matrix.bitmap_switch(B)
# assert matrix.sparsity_control(A) == matrix.sparsity_control(B)
C = matrix.new(lib.GrB_BOOL, 2, 2)
check_status(
C,
lib.GrB_Matrix_eWiseAdd_BinaryOp(
C[0], NULL, NULL, _eq_ops[T], A[0], B[0], NULL
),
)
assert matrix.nvals(A) == matrix.nvals(B) == matrix.nvals(C)
is_eq = ffi.new("bool*")
check_status(
C,
lib.GrB_Matrix_reduce_BOOL(
is_eq, NULL, lib.GrB_LAND_MONOID_BOOL, C[0], NULL
),
)
assert is_eq[0]
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