diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
index 70472e05758a..1548df33d97c 100644
--- a/lib/matplotlib/axes/_axes.py
+++ b/lib/matplotlib/axes/_axes.py
@@ -4000,7 +4000,7 @@ def dopatch(xs, ys, **kwargs):
# maybe draw the fliers
if showfliers:
# fliers coords
- flier_x = np.ones(len(stats['fliers'])) * pos
+ flier_x = np.full(len(stats['fliers']), pos, dtype=np.float64)
flier_y = stats['fliers']
fliers.extend(doplot(
diff --git a/lib/matplotlib/hatch.py b/lib/matplotlib/hatch.py
index 532840624d26..f52c03c36fb2 100644
--- a/lib/matplotlib/hatch.py
+++ b/lib/matplotlib/hatch.py
@@ -169,7 +169,8 @@ def __init__(self, hatch, density):
self.num_rows = (hatch.count('*')) * density
path = Path.unit_regular_star(5)
self.shape_vertices = path.vertices
- self.shape_codes = np.ones(len(self.shape_vertices)) * Path.LINETO
+ self.shape_codes = np.full(len(self.shape_vertices), Path.LINETO,
+ dtype=Path.code_type)
self.shape_codes[0] = Path.MOVETO
Shapes.__init__(self, hatch, density)
diff --git a/lib/matplotlib/legend_handler.py b/lib/matplotlib/legend_handler.py
index 5d4e55a351da..b2cd85d4677f 100644
--- a/lib/matplotlib/legend_handler.py
+++ b/lib/matplotlib/legend_handler.py
@@ -231,7 +231,7 @@ def create_artists(self, legend, orig_handle,
xdata, xdata_marker = self.get_xdata(legend, xdescent, ydescent,
width, height, fontsize)
- ydata = ((height - ydescent) / 2.) * np.ones(xdata.shape, float)
+ ydata = np.full_like(xdata, ((height - ydescent) / 2))
legline = Line2D(xdata, ydata)
self.update_prop(legline, orig_handle, legend)
diff --git a/lib/matplotlib/path.py b/lib/matplotlib/path.py
index 24dee6e58071..f8a4b9e05d53 100644
--- a/lib/matplotlib/path.py
+++ b/lib/matplotlib/path.py
@@ -312,7 +312,7 @@ def make_compound_path_from_polys(cls, XY):
stride = numsides + 1
nverts = numpolys * stride
verts = np.zeros((nverts, 2))
- codes = np.ones(nverts, int) * cls.LINETO
+ codes = np.full(nverts, cls.LINETO, dtype=cls.code_type)
codes[0::stride] = cls.MOVETO
codes[numsides::stride] = cls.CLOSEPOLY
for i in range(numsides):
@@ -552,7 +552,8 @@ def interpolated(self, steps):
vertices = simple_linear_interpolation(self.vertices, steps)
codes = self.codes
if codes is not None:
- new_codes = Path.LINETO * np.ones(((len(codes) - 1) * steps + 1, ))
+ new_codes = np.full((len(codes) - 1) * steps + 1, Path.LINETO,
+ dtype=self.code_type)
new_codes[0::steps] = codes
else:
new_codes = None
@@ -802,7 +803,7 @@ def unit_circle_righthalf(cls):
float)
- codes = cls.CURVE4 * np.ones(14)
+ codes = np.full(14, cls.CURVE4, dtype=cls.code_type)
codes[0] = cls.MOVETO
codes[-1] = cls.CLOSEPOLY
@@ -864,7 +865,7 @@ def arc(cls, theta1, theta2, n=None, is_wedge=False):
if is_wedge:
length = n * 3 + 4
vertices = np.zeros((length, 2), float)
- codes = cls.CURVE4 * np.ones((length, ), cls.code_type)
+ codes = np.full(length, cls.CURVE4, dtype=cls.code_type)
vertices[1] = [xA[0], yA[0]]
codes[0:2] = [cls.MOVETO, cls.LINETO]
codes[-2:] = [cls.LINETO, cls.CLOSEPOLY]
@@ -873,7 +874,7 @@ def arc(cls, theta1, theta2, n=None, is_wedge=False):
else:
length = n * 3 + 1
vertices = np.empty((length, 2), float)
- codes = cls.CURVE4 * np.ones((length, ), cls.code_type)
+ codes = np.full(length, cls.CURVE4, dtype=cls.code_type)
vertices[0] = [xA[0], yA[0]]
codes[0] = cls.MOVETO
vertex_offset = 1
diff --git a/lib/matplotlib/tri/triinterpolate.py b/lib/matplotlib/tri/triinterpolate.py
index 070bd85700c9..2e235580508c 100644
--- a/lib/matplotlib/tri/triinterpolate.py
+++ b/lib/matplotlib/tri/triinterpolate.py
@@ -959,7 +959,7 @@ def get_Kff_and_Ff(self, J, ecc, triangles, Uc):
"""
ntri = np.size(ecc, 0)
vec_range = np.arange(ntri, dtype=np.int32)
- c_indices = -np.ones(ntri, dtype=np.int32) # for unused dofs, -1
+ c_indices = np.full(ntri, -1, dtype=np.int32) # for unused dofs, -1
f_dof = [1, 2, 4, 5, 7, 8]
c_dof = [0, 3, 6]
diff --git a/lib/matplotlib/tri/trirefine.py b/lib/matplotlib/tri/trirefine.py
index 4f55c1fa94b3..2ca862114731 100644
--- a/lib/matplotlib/tri/trirefine.py
+++ b/lib/matplotlib/tri/trirefine.py
@@ -111,7 +111,7 @@ def refine_triangulation(self, return_tri_index=False, subdiv=3):
# We have to initialize found_index with -1 because some nodes
# may very well belong to no triangle at all, e.g., in case of
# Delaunay Triangulation with DuplicatePointWarning.
- found_index = - np.ones(refi_npts, dtype=np.int32)
+ found_index = np.full(refi_npts, -1, dtype=np.int32)
tri_mask = self._triangulation.mask
if tri_mask is None:
found_index[refi_triangles] = np.repeat(ancestors,
@@ -238,12 +238,8 @@ def _refine_triangulation_once(triangulation, ancestors=None):
# (can be -1 if border edge)
# For slave and master we will identify the apex pointing to the edge
# start
- edge_elems = np.ravel(np.vstack([np.arange(ntri, dtype=np.int32),
- np.arange(ntri, dtype=np.int32),
- np.arange(ntri, dtype=np.int32)]))
- edge_apexes = np.ravel(np.vstack([np.zeros(ntri, dtype=np.int32),
- np.ones(ntri, dtype=np.int32),
- np.ones(ntri, dtype=np.int32)*2]))
+ edge_elems = np.tile(np.arange(ntri, dtype=np.int32), 3)
+ edge_apexes = np.repeat(np.arange(3, dtype=np.int32), ntri)
edge_neighbors = neighbors[edge_elems, edge_apexes]
mask_masters = (edge_elems > edge_neighbors)
diff --git a/lib/matplotlib/tri/tritools.py b/lib/matplotlib/tri/tritools.py
index 94da837a1f5d..af5f75dbba75 100644
--- a/lib/matplotlib/tri/tritools.py
+++ b/lib/matplotlib/tri/tritools.py
@@ -292,7 +292,7 @@ def _total_to_compress_renum(mask, n=None):
if n is None:
n = np.size(mask)
if mask is not None:
- renum = -np.ones(n, dtype=np.int32) # Default num is -1
+ renum = np.full(n, -1, dtype=np.int32) # Default num is -1
valid = np.arange(n, dtype=np.int32).compress(~mask, axis=0)
renum[valid] = np.arange(np.size(valid, 0), dtype=np.int32)
return renum
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