def argsort(self, axis=-1, kind='quicksort', order=None):
if kind != 'quicksort':
print( "argsort 'kind' argument ignored" )
if order is not None:
raise ValueError('order argument is not supported')
if(axis < 0):
axis = self.ndim+axis
val, idx = arrayfire.sort_index(self.d_array, pu.c2f(self.shape, axis))
return ndarray(self.shape, dtype=pu.typemap(idx.dtype()), af_array=idx)
def argsort(self, axis=-1, kind='quicksort', order=None):
if kind != 'quicksort':
print("argsort 'kind' argument ignored")
if order is not None:
raise ValueError('order argument is not supported')
if (axis < 0):
axis = self.ndim + axis
val, idx = arrayfire.sort_index(self.d_array, pu.c2f(self.shape, axis))
return ndarray(self.shape, dtype=pu.typemap(idx.dtype()), af_array=idx)
def sort_argsort(a: ndarray, axis: int = -1, ascending: bool = True) \
-> tp.Tuple[ndarray, ndarray]:
if axis is None:
a = a.flatten()
axis = 0
elif axis == -1:
axis = a.ndim - 1
elif axis >= a.ndim:
raise ValueError(f"Parameter axis must be between -1 and {a.ndim - 1}")
af_out_array, af_idx_array \
= af.sort_index(a._af_array, dim=axis, is_ascending=ascending)
return ndarray(af_out_array), ndarray(af_idx_array)
def simple_algorithm(verbose = False):
display_func = _util.display_func(verbose)
print_func = _util.print_func(verbose)
a = af.randu(3, 3)
print_func(af.sum(a), af.product(a), af.min(a), af.max(a),
af.count(a), af.any_true(a), af.all_true(a))
display_func(af.sum(a, 0))
display_func(af.sum(a, 1))
display_func(af.product(a, 0))
display_func(af.product(a, 1))
display_func(af.min(a, 0))
display_func(af.min(a, 1))
display_func(af.max(a, 0))
display_func(af.max(a, 1))
display_func(af.count(a, 0))
display_func(af.count(a, 1))
display_func(af.any_true(a, 0))
display_func(af.any_true(a, 1))
display_func(af.all_true(a, 0))
display_func(af.all_true(a, 1))
display_func(af.accum(a, 0))
display_func(af.accum(a, 1))
display_func(af.sort(a, is_ascending=True))
display_func(af.sort(a, is_ascending=False))
b = (a > 0.1) * a
c = (a > 0.4) * a
d = b / c
print_func(af.sum(d));
print_func(af.sum(d, nan_val=0.0));
display_func(af.sum(d, dim=0, nan_val=0.0));
val,idx = af.sort_index(a, is_ascending=True)
display_func(val)
display_func(idx)
val,idx = af.sort_index(a, is_ascending=False)
display_func(val)
display_func(idx)
b = af.randu(3,3)
keys,vals = af.sort_by_key(a, b, is_ascending=True)
display_func(keys)
display_func(vals)
keys,vals = af.sort_by_key(a, b, is_ascending=False)
display_func(keys)
display_func(vals)
c = af.randu(5,1)
d = af.randu(5,1)
cc = af.set_unique(c, is_sorted=False)
dd = af.set_unique(af.sort(d), is_sorted=True)
display_func(cc)
display_func(dd)
display_func(af.set_union(cc, dd, is_unique=True))
display_func(af.set_union(cc, dd, is_unique=False))
display_func(af.set_intersect(cc, cc, is_unique=True))
display_func(af.set_intersect(cc, cc, is_unique=False))
af.display(af.count(a, 0)) af.display(af.count(a, 1)) af.display(af.any_true(a, 0)) af.display(af.any_true(a, 1)) af.display(af.all_true(a, 0)) af.display(af.all_true(a, 1)) af.display(af.accum(a, 0)) af.display(af.accum(a, 1)) af.display(af.sort(a, is_ascending=True)) af.display(af.sort(a, is_ascending=False)) val, idx = af.sort_index(a, is_ascending=True) af.display(val) af.display(idx) val, idx = af.sort_index(a, is_ascending=False) af.display(val) af.display(idx) b = af.randu(3, 3) keys, vals = af.sort_by_key(a, b, is_ascending=True) af.display(keys) af.display(vals) keys, vals = af.sort_by_key(a, b, is_ascending=False) af.display(keys) af.display(vals) c = af.randu(5, 1)
af.print_array(af.count(a, 0)) af.print_array(af.count(a, 1)) af.print_array(af.any_true(a, 0)) af.print_array(af.any_true(a, 1)) af.print_array(af.all_true(a, 0)) af.print_array(af.all_true(a, 1)) af.print_array(af.accum(a, 0)) af.print_array(af.accum(a, 1)) af.print_array(af.sort(a, is_ascending=True)) af.print_array(af.sort(a, is_ascending=False)) val,idx = af.sort_index(a, is_ascending=True) af.print_array(val) af.print_array(idx) val,idx = af.sort_index(a, is_ascending=False) af.print_array(val) af.print_array(idx) b = af.randu(3,3) keys,vals = af.sort_by_key(a, b, is_ascending=True) af.print_array(keys) af.print_array(vals) keys,vals = af.sort_by_key(a, b, is_ascending=False) af.print_array(keys) af.print_array(vals) c = af.randu(5,1)
def simple_algorithm(verbose=False):
display_func = _util.display_func(verbose)
print_func = _util.print_func(verbose)
a = af.randu(3, 3)
k = af.constant(1, 3, 3, dtype=af.Dtype.u32)
af.eval(k)
print_func(af.sum(a), af.product(a), af.min(a), af.max(a), af.count(a),
af.any_true(a), af.all_true(a))
display_func(af.sum(a, 0))
display_func(af.sum(a, 1))
rk = af.constant(1, 3, dtype=af.Dtype.u32)
rk[2] = 0
af.eval(rk)
display_func(af.sumByKey(rk, a, dim=0))
display_func(af.sumByKey(rk, a, dim=1))
display_func(af.productByKey(rk, a, dim=0))
display_func(af.productByKey(rk, a, dim=1))
display_func(af.minByKey(rk, a, dim=0))
display_func(af.minByKey(rk, a, dim=1))
display_func(af.maxByKey(rk, a, dim=0))
display_func(af.maxByKey(rk, a, dim=1))
display_func(af.anyTrueByKey(rk, a, dim=0))
display_func(af.anyTrueByKey(rk, a, dim=1))
display_func(af.allTrueByKey(rk, a, dim=0))
display_func(af.allTrueByKey(rk, a, dim=1))
display_func(af.countByKey(rk, a, dim=0))
display_func(af.countByKey(rk, a, dim=1))
display_func(af.product(a, 0))
display_func(af.product(a, 1))
display_func(af.min(a, 0))
display_func(af.min(a, 1))
display_func(af.max(a, 0))
display_func(af.max(a, 1))
display_func(af.count(a, 0))
display_func(af.count(a, 1))
display_func(af.any_true(a, 0))
display_func(af.any_true(a, 1))
display_func(af.all_true(a, 0))
display_func(af.all_true(a, 1))
display_func(af.accum(a, 0))
display_func(af.accum(a, 1))
display_func(af.scan(a, 0, af.BINARYOP.ADD))
display_func(af.scan(a, 1, af.BINARYOP.MAX))
display_func(af.scan_by_key(k, a, 0, af.BINARYOP.ADD))
display_func(af.scan_by_key(k, a, 1, af.BINARYOP.MAX))
display_func(af.sort(a, is_ascending=True))
display_func(af.sort(a, is_ascending=False))
b = (a > 0.1) * a
c = (a > 0.4) * a
d = b / c
print_func(af.sum(d))
print_func(af.sum(d, nan_val=0.0))
display_func(af.sum(d, dim=0, nan_val=0.0))
val, idx = af.sort_index(a, is_ascending=True)
display_func(val)
display_func(idx)
val, idx = af.sort_index(a, is_ascending=False)
display_func(val)
display_func(idx)
b = af.randu(3, 3)
keys, vals = af.sort_by_key(a, b, is_ascending=True)
display_func(keys)
display_func(vals)
keys, vals = af.sort_by_key(a, b, is_ascending=False)
display_func(keys)
display_func(vals)
c = af.randu(5, 1)
d = af.randu(5, 1)
cc = af.set_unique(c, is_sorted=False)
dd = af.set_unique(af.sort(d), is_sorted=True)
display_func(cc)
display_func(dd)
display_func(af.set_union(cc, dd, is_unique=True))
display_func(af.set_union(cc, dd, is_unique=False))
display_func(af.set_intersect(cc, cc, is_unique=True))
display_func(af.set_intersect(cc, cc, is_unique=False))
af.display(C);
print("Grab last row\n");
c = C[-1,:];
af.display(c);
print("Scan Test\n");
r = af.constant(2, 16, 4, 1, 1);
af.display(r);
print("Scan\n");
S = af.scan(r, 0, af.BINARYOP.MUL);
af.display(S);
print("Create 2-by-3 matrix from host data\n");
d = [ 1, 2, 3, 4, 5, 6 ]
D = af.Array(d, (2, 3))
af.display(D)
print("Copy last column onto first\n");
D[:,0] = D[:, -1]
af.display(D);
print("Sort A and print sorted array and corresponding indices\n");
[sorted_vals, sorted_idxs] = af.sort_index(A);
af.display(A)
af.display(sorted_vals)
af.display(sorted_idxs)
except Exception as e:
print("Error: " + str(e))
