Merge remote-tracking branch 'Codra/fix/stats'

Author: PierreRaybaut

plotpy/tools/curve.py

@@ -74,7 +74,7 @@ def __init__(
                 ("%g < y < %g", lambda *args: (args[1].min(), args[1].max())),
                 ("<y>=%g", lambda *args: args[1].mean()),
                 ("σ(y)=%g", lambda *args: args[1].std()),
-                ("∑(y)=%g", lambda *args: spt.trapezoid(args[1])),
+                ("∑(y)=%g", lambda *args: np.sum(args[1])),
                 ("∫ydx=%g", lambda *args: spt.trapezoid(args[1], args[0])),
             )
         self.labelfuncs = labelfuncs
@@ -96,7 +96,7 @@ def set_labelfuncs(
                     ("%g < y < %g", lambda *args: (args[1].min(), args[1].max())),
                     ("<y>=%g", lambda *args: args[1].mean()),
                     ("σ(y)=%g", lambda *args: args[1].std()),
-                    ("∑(y)=%g", lambda *args: spt.trapezoid(args[1])),
+                    ("∑(y)=%g", lambda *args: np.sum(args[1])),
                     ("∫ydx=%g", lambda *args: spt.trapezoid(args[1], args[0])),
                 )
         """