minor improvement of projection_operator.

nifty_core.py

@@ -484,7 +484,7 @@ class _about(object): ## nifty support class for global settings
 
         """
         ## version
-        self._version = "0.4.0"
+        self._version = "0.4.1"
 
         ## switches and notifications
         self._errors = notification(default=True,ccode=notification._code)
@@ -9652,7 +9652,7 @@ class projection_operator(operator):
             band = int(band)
             if(band>self.bands()-1)or(band<0):
                 raise TypeError(about._errors.cstring("ERROR: invalid band."))
-            Px = np.zeros(self.domain.dim(split=True),dtype=self.domain.datatype,order='C').flatten(order='C')
+            Px = np.zeros(self.domain.dim(split=False),dtype=self.domain.datatype,order='C')
             Px[self.ind[band]] += x.val.flatten(order='C')[self.ind[band]]
             Px = field(self.domain,val=Px,target=x.target)
             return Px
@@ -9664,7 +9664,7 @@ class projection_operator(operator):
                 bandsup = np.array(bandsup,dtype=np.int)
             if(np.any(bandsup>self.bands()-1))or(np.any(bandsup<0)):
                 raise ValueError(about._errors.cstring("ERROR: invalid input."))
-            Px = np.zeros(self.domain.dim(split=True),dtype=self.domain.datatype,order='C').flatten(order='C')
+            Px = np.zeros(self.domain.dim(split=False),dtype=self.domain.datatype,order='C')
             x_ = x.val.flatten(order='C')
             for bb in bandsup:
                 Px[self.ind[bb]] += x_[self.ind[bb]]