Merge branch 'main' of github.com:python-hydro/ppmpy

Author: zingale

.github/workflows/codespell.yml

@@ -18,7 +18,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: "pip"

.github/workflows/docs-test.yml

@@ -25,7 +25,7 @@ jobs:
           sudo apt install pandoc doxygen
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: "pip"

.github/workflows/docs.yml

@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: "3.12"
         cache: "pip"

.github/workflows/flake8.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install Python 3.12
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: "pip"

.github/workflows/pylint.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: "pip"

.github/workflows/pytest-all.yml

@@ -17,15 +17,16 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v5
 
       - name: Install Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
           cache: "pip"
 
       - name: Install dependencies

.github/workflows/pytest-mac.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           cache: "pip"

examples/ppm-reconstruction.ipynb

@@ -233,6 +233,30 @@ def draw_parabola(self, gp, *, scale=None):
             a = self.am[n] + xi*(self.ap[n] - self.am[n] + self.a6[n] * (1.0-xi))
             gp.ax.plot(x, a/scale, color="C1", lw=2)
 
+    def draw_average(self, gp, *, scale=None):
+        """Draw the horizontal line that represents the cell-average
+        in each zone on the axes ax.
+
+        Parameters
+        ----------
+
+        gp : GridPlot
+            the grid plot object
+        scale : float, optional
+            normalization factor (default is maximum data value)
+        """
+
+        ilo = max(gp.lo_index, self.grid.lo-1)
+        ihi = min(gp.hi_index, self.grid.hi+1)
+
+        if scale is None:
+            scale = np.max(self.a[ilo:ihi+1])
+
+        for n in range(ilo, ihi+1):
+            gp.ax.hlines(y=self.a[n]/scale,
+                         xmin=self.grid.xl[n], xmax=self.grid.xr[n],
+                         linestyle='--', lw=1, color='k')
+
     def mark_cubic(self, gp, *, scale=None):
         """Mark the location of the initial interface states from the
         cubic interpolant on the axes ax.
@@ -244,7 +268,6 @@ def mark_cubic(self, gp, *, scale=None):
             the grid plot object
         scale : float, optional
             normalization factor (default is maximum data value)
-
         """
 
         ilo = max(gp.lo_index-1, self.grid.lo-2)