Added a mpi_dummy.py. Integrated the paradicts to the spaces. Implemented...

Added a mpi_dummy.py. Integrated the paradicts to the spaces. Implemented unary_operation, binary_operation and norm in the spaces. Extended the functions of the distributed_data_object for the unary and binary operations.

__init__.py

@@ -26,18 +26,24 @@ from nifty_power import *
 from nifty_tools import *
 from nifty_explicit import *
 from nifty_mpi_data import distributed_data_object
+from nifty_paradict import space_paradict,\
+                            point_space_paradict,\
+                            nested_space_paradict
 
 ## optional submodule `rg`
 try:
     from rg import *
+    from nifty_paradict import rg_space_paradict
 except(ImportError):
     pass
 
 ## optional submodule `lm`
 try:
     from lm import *
+    from nifty_paradict import lm_space_paradict,\
+                                gl_space_paradict,\
+                                hp_space_paradict
 except(ImportError):
-    print 'asdf'    
     pass
 
 from demos import *

lm/nifty_lm.py

@@ -44,6 +44,10 @@ from nifty.nifty_core import pi,                                             \
                   space,                                                     \
                   point_space,                                               \
                   field
+from nifty_paradict import lm_space_paradict,\
+                            gl_space_paradict,\
+                            hp_space_paradict
+                            
 #import libsharp_wrapper_gl as gl
 try:
     import libsharp_wrapper_gl as gl
@@ -152,22 +156,12 @@ class lm_space(point_space):
                 If input `nside` is invaild.
 
         """
+        
         ## check imports
         if(not _gl_available)and(not _hp_available):
             raise ImportError(about._errors.cstring("ERROR: neither libsharp_wrapper_gl nor healpy available."))
-        ## check parameters
-        if(lmax<1):
-            raise ValueError(about._errors.cstring("ERROR: nonpositive number."))
-        if(lmax%2==0)and(lmax>2): ## exception lmax == 2 (nside == 1)
-            about.warnings.cprint("WARNING: unrecommended parameter ( lmax <> 2*n+1 ).")
-        if(mmax is None):
-            mmax = lmax
-        elif(mmax<1)or(mmax>lmax):
-            about.warnings.cprint("WARNING: parameter set to default.")
-            mmax = lmax
-        if(mmax!=lmax):
-            about.warnings.cprint("WARNING: unrecommended parameter ( mmax <> lmax ).")
-        self.para = np.array([lmax,mmax],dtype=np.int)
+        
+        self.paradict = lm_space_paradict(lmax=lmax, mmax=mmax)
 
         ## check data type
         if(datatype is None):
@@ -180,6 +174,20 @@ class lm_space(point_space):
         self.discrete = True
         self.vol = np.real(np.array([1],dtype=self.datatype))
 
+    @property
+    def para(self):
+        temp = np.array([self.paradict['lmax'], 
+                         self.paradict['mmax']], dtype=int)
+        return temp
+        
+    
+    @para.setter
+    def para(self, x):
+        self.paradict['lmax'] = x[0]
+        self.paradict['mmax'] = x[1]
+
+
+
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
     def lmax(self):
@@ -191,7 +199,7 @@ class lm_space(point_space):
             lmax : int
                 Maximum quantum number :math:`\ell`.
         """
-        return self.para[0]
+        return self.paradict['lmax']
 
     def mmax(self):
         """
@@ -203,7 +211,7 @@ class lm_space(point_space):
                 Maximum quantum number :math:`m`.
 
         """
-        return self.para[1]
+        return self.paradict['mmax']
 
     def dim(self,split=False):
         """
@@ -1014,19 +1022,9 @@ class gl_space(point_space):
         ## check imports
         if(not _gl_available):
             raise ImportError(about._errors.cstring("ERROR: libsharp_wrapper_gl not available."))
-        ## check parameters
-        if(nlat<1):
-            raise ValueError(about._errors.cstring("ERROR: nonpositive number."))
-        if(nlat%2!=0):
-            raise ValueError(about._errors.cstring("ERROR: invalid parameter ( nlat <> 2*n )."))
-        if(nlon is None):
-            nlon = 2*nlat-1
-        elif(nlon<1):
-            about.warnings.cprint("WARNING: parameter set to default.")
-            nlon = 2*nlat-1
-        if(nlon!=2*nlat-1):
-            about.warnings.cprint("WARNING: unrecommended parameter ( nlon <> 2*nlat-1 ).")
-        self.para = np.array([nlat,nlon],dtype=np.int)
+        
+
+        self.paradict = gl_space_paradict(nlat=nlat, nlon=nlon)        
 
         ## check data type
         if(datatype is None):
@@ -1039,6 +1037,19 @@ class gl_space(point_space):
         self.discrete = False
         self.vol = gl.vol(self.para[0],nlon=self.para[1]).astype(self.datatype)
 
+
+    @property
+    def para(self):
+        temp = np.array([self.paradict['nlat'], 
+                         self.paradict['nlon']], dtype=int)
+        return temp
+        
+    
+    @para.setter
+    def para(self, x):
+        self.paradict['nlat'] = x[0]
+        self.paradict['nlon'] = x[1]
+    
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
     def nlat(self):
@@ -1050,7 +1061,7 @@ class gl_space(point_space):
             nlat : int
                 Number of latitudinal bins, or rings.
         """
-        return self.para[0]
+        return self.paradict['nlat']
 
     def nlon(self):
         """
@@ -1061,7 +1072,7 @@ class gl_space(point_space):
             nlon : int
                 Number of longitudinal bins.
         """
-        return self.para[1]
+        return self.paradict['nlon']
 
     def dim(self,split=False):
         """
@@ -1683,17 +1694,24 @@ class hp_space(point_space):
         ## check imports
         if(not _hp_available):
             raise ImportError(about._errors.cstring("ERROR: healpy not available."))
-        ## check parameters
-        if(nside<1):
-            raise ValueError(about._errors.cstring("ERROR: nonpositive number."))
-        if(not hp.isnsideok(nside)):
-            raise ValueError(about._errors.cstring("ERROR: invalid parameter ( nside <> 2**n )."))
-        self.para = np.array([nside],dtype=np.int)
+        ## check parameters        
+        self.paradict = hp_space_paradict(nside=nside)        
 
         self.datatype = np.float64
         self.discrete = False
         self.vol = np.array([4*pi/(12*self.para[0]**2)],dtype=self.datatype)
 
+    @property
+    def para(self):
+        temp = np.array([self.paradict['nside']], dtype=int)
+        return temp
+        
+    
+    @para.setter
+    def para(self, x):
+        self.paradict['nside'] = x[0]
+        
+    
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
     def nside(self):
@@ -1705,7 +1723,7 @@ class hp_space(point_space):
             nside : int
                 HEALPix resolution parameter.
         """
-        return self.para[0]
+        return self.paradict['nside']
 
 
     def dim(self,split=False):

mpi_dummy.py

@@ -25,6 +25,8 @@ class _COMM_WORLD():
         return self.size
     
     def _scattergather_helper(self, sendbuf, recvbuf=None):
+        sendbuf = self._unwrapper(sendbuf)
+        recvbuf = self._unwrapper(recvbuf)
         if recvbuf != None:        
             recvbuf[:] = sendbuf
             return recvbuf
@@ -38,17 +40,17 @@ class _COMM_WORLD():
     def Bcast(self, sendbuf, *args, **kwargs):
         return sendbuf
     
-    def scatter(self, *args, **kwargs):
-        return self._scattergather_helper(*args, **kwargs)
-    
+    def scatter(self, sendbuf, *args, **kwargs):
+        return sendbuf[0]
+        
     def Scatter(self, *args, **kwargs):
         return self._scattergather_helper(*args, **kwargs)
     
     def Scatterv(self, *args, **kwargs):
         return self._scattergather_helper(*args, **kwargs)
 
-    def gather(self, *args, **kwargs):
-        return self._scattergather_helper(*args, **kwargs)
+    def gather(self, sendbuf, *args, **kwargs):
+        return [sendbuf,]
     
     def Gather(self, *args, **kwargs):
         return self._scattergather_helper(*args, **kwargs)
@@ -56,9 +58,9 @@ class _COMM_WORLD():
     def Gatherv(self, *args, **kwargs):
         return self._scattergather_helper(*args, **kwargs)
 
-    def allgather(self, *args, **kwargs):
-        return self._scattergather_helper(*args, **kwargs)       
-    
+    def allgather(self, sendbuf, *args, **kwargs):
+        return [sendbuf,]
+        
     def Allgather(self, *args, **kwargs):
         return self._scattergather_helper(*args, **kwargs)
     
@@ -78,15 +80,15 @@ class _COMM_WORLD():
             return x[0]
         else:
             return x
-        
+    
+    def Barrier(self):
+        pass
 
 class _datatype():
     def __init__(self, name):
         self.name = str(name)
         
 SHORT = _datatype('MPI_SHORT')
-
-
 UNSIGNED_SHORT = _datatype("MPI_UNSIGNED_SHORT")
 UNSIGNED_INT = _datatype("MPI_UNSIGNED_INT")
 INT = _datatype("MPI_INT")

nifty_core.py

@@ -149,7 +149,9 @@ from multiprocessing import Pool as mp
 from multiprocessing import Value as mv
 from multiprocessing import Array as ma
 from nifty_mpi_data import distributed_data_object
-
+from nifty_paradict import space_paradict,\
+                            point_space_paradict,\
+                            nested_space_paradict
 __version__ = "1.0.7"
 
 
@@ -996,11 +998,7 @@ class space(object):
             -------
             None
         """
-        if(np.isscalar(para)):
-            para = np.array([para],dtype=np.int)
-        else:
-            para = np.array(para,dtype=np.int)
-        self.para = para
+        self.paradict = space_paradict(default=para)        
 
         ## check data type
         if(datatype is None):
@@ -1015,6 +1013,15 @@ class space(object):
         
         self.shape = None
 
+    @property
+    def para(self):
+        return self.paradict['default']
+        #return self.distributed_val
+    
+    @para.setter
+    def para(self, x):
+        self.paradict['default'] = x
+
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
     def _freeze_config(self, dictionary):
         """
@@ -1042,6 +1049,10 @@ class space(object):
     def binary_operation(self, x, y, op=None):
         raise NotImplementedError(about._errors.cstring("ERROR: no generic instance method 'binary_operation'."))
 
+    ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++            
+    def norm(self, x, q):
+        raise NotImplementedError(about._errors.cstring("ERROR: no generic instance method 'norm'."))
+
 
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
     def dim(self,split=False):
@@ -1207,7 +1218,7 @@ class space(object):
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
     
     def cast(self, x):
-        raise NotImplementedError(about._errors.cstring("ERROR: no generic instance method 'cast'."))
+        return self.enforce_values(x)
 
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
@@ -1425,7 +1436,10 @@ class space(object):
             dot : scalar
                 Inner product of the two arrays.
         """
-        raise NotImplementedError(about._errors.cstring("ERROR: no generic instance method 'calc_dot'."))
+        raise NotImplementedError(about._errors.cstring(\
+            "ERROR: no generic instance method 'dot'."))
+
+
 
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
@@ -1795,11 +1809,8 @@ class point_space(space):
             -------
             None.
         """
-        ## check parameter
-        if(num<1):
-            raise ValueError(about._errors.cstring("ERROR: nonpositive number."))
-        self.para = np.array([num],dtype=np.int)
-
+        self.paradict = point_space_paradict(num=num)       
+        
         ## check datatype
         if(datatype is None):
             datatype = np.float64
@@ -1811,8 +1822,120 @@ class point_space(space):
         self.discrete = True
         self.vol = np.real(np.array([1],dtype=self.datatype))
 
-    ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
+    @property
+    def para(self):
+        temp = np.array([self.paradict['num']], dtype=int)
+        return temp
+        #return self.distributed_val
+    
+    @para.setter
+    def para(self, x):
+        self.paradict['num'] = x
+        
+    ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      
+    def unary_operation(self, x, op='None', **kwargs):
+        """
+        x must be a numpy array which is compatible with the space!
+        Valid operations are
+        
+        """
+                                
+        def _argmin(z, **kwargs):
+            ind = np.argmin(z, **kwargs)
+            if np.isscalar(ind):
+                ind = np.unravel_index(ind, z.shape, order='C')
+                if(len(ind)==1):
+                    return ind[0]
+            return ind         
+
+        def _argmax(z, **kwargs):
+            ind = np.argmax(z, **kwargs)
+            if np.isscalar(ind):
+                ind = np.unravel_index(ind, z.shape, order='C')
+                if(len(ind)==1):
+                    return ind[0]
+            return ind         
+        
+        
+        translation = {"pos" : lambda y: getattr(y, '__pos__')(),
+                        "neg" : lambda y: getattr(y, '__neg__')(),
+                        "abs" : lambda y: getattr(y, '__abs__')(),
+                        "nanmin" : np.nanmin,  
+                        "min" : np.amin,
+                        "nanmax" : np.nanmax,
+                        "max" : np.amax,
+                        "med" : np.median,
+                        "mean" : np.mean,
+                        "std" : np.std,
+                        "var" : np.var,
+                        "argmin" : _argmin,
+                        "argmin_flat" : np.argmin,
+                        "argmax" : _argmax, 
+                        "argmax_flat" : np.argmax,
+                        "conjugate" : np.conjugate,
+                        "None" : lambda y: y}
+
+                
+        return translation[op](x, **kwargs)      
+
+    ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++            
+    def binary_operation(self, x, y, op='None', cast=0):
+        
+        translation = {"add" : lambda z: getattr(z, '__add__'),
+                        "iadd" : lambda z: getattr(z, '__iadd__'),
+                        "sub" : lambda z: getattr(z, '__sub__'),
+                        "rsub" : lambda z: getattr(z, '__rsub__'),
+                        "isub" : lambda z: getattr(z, '__isub__'),
+                        "mul" : lambda z: getattr(z, '__mul__'),
+                        "imul" : lambda z: getattr(z, '__imul__'),
+                        "div" : lambda z: getattr(z, '__div__'),
+                        "rdiv" : lambda z: getattr(z, '__rdiv__'),
+                        "idiv" : lambda z: getattr(z, '__idiv__'),
+                        "pow" : lambda z: getattr(z, '__pow__'),
+                        "rpow" : lambda z: getattr(z, '__rpow__'),
+                        "ipow" : lambda z: getattr(z, '__ipow__'),
+                        "None" : lambda z: lambda u: u}
+        
+        if (cast & 1) != 0:
+            x = self.cast(x)
+        if (cast & 2) != 0:
+            y = self.cast(y)        
+        
+        return translation[op](x)(y)
+
+    ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++            
+    def norm(self, x, q=2):
+        """
+            Computes the Lq-norm of field values.
+
+            Parameters
+            ----------
+            x : np.ndarray 
+                The data array 
+            q : scalar
+                Parameter q of the Lq-norm (default: 2).
+
+            Returns
+            -------
+            norm : scalar
+                The Lq-norm of the field values.
+
+        """
+
+        
+        if(q == 2):
+            result = self.calc_dot(x,x)
+        else:
+            y = x**(q-1)        
+            result = self.calc_dot(x,y)
+        
+        result = result**(1./q)
+        return result 
+
+
+
+    ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
     def num(self):
         """
             Returns the number of points.
@@ -2189,7 +2312,31 @@ class point_space(space):
         return x*self.vol**power
 
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+    def calc_dot(self, x, y):
+        """
+            Computes the discrete inner product of two given arrays of field
+            values.
 
+            Parameters
+            ----------
+            x : numpy.ndarray
+                First array
+            y : numpy.ndarray
+                Second array
+
+            Returns
+            -------
+            dot : scalar
+                Inner product of the two arrays.
+        """
+        x = self.cast(x)
+        y = self.cast(y)
+        result = np.vdot(x, y)
+        if np.isreal(result):
+            result = np.asscalar(np.real(result))            
+        return result
+
+    '''
     def calc_dot(self,x,y):
         """
             Computes the discrete inner product of two given arrays of field
@@ -2206,6 +2353,7 @@ class point_space(space):
             -------
             dot : scalar
                 Inner product of the two arrays.
+       
         """
         x = self.enforce_shape(np.array(x,dtype=self.datatype))
         y = self.enforce_shape(np.array(y,dtype=self.datatype))
@@ -2215,6 +2363,8 @@ class point_space(space):
             return np.asscalar(np.real(dot))
         else:
             return dot
+     
+     '''
 
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
@@ -4511,21 +4661,25 @@ class nested_space(space):
             raise TypeError(about._errors.cstring("ERROR: invalid input."))
         ## check nest
         purenest = []
-        para = np.array([],dtype=np.int)
+        pre_para = []
         for nn in nest:
             if(not isinstance(nn,space)):
                 raise TypeError(about._errors.cstring("ERROR: invalid input."))
             elif(isinstance(nn,nested_space)): ## no 2nd level nesting
                 for nn_ in nn.nest:
                     purenest.append(nn_)
-                    para = np.append(para,nn_.dim(split=True),axis=None)
+                    pre_para = pre_para + [nn_.dim(split=True)]
             else:
                 purenest.append(nn)
-                para = np.append(para,nn.dim(split=True),axis=None)
+                pre_para = pre_para + [nn.dim(split=True)]
         if(len(purenest)<2):
             raise ValueError(about._errors.cstring("ERROR: invalid input."))
         self.nest = purenest
-        self.para = para
+        
+        self.paradict = nested_space_paradict(ndim=len(pre_para))                
+        for i in range(len(pre_para)):
+            self.paradict[i]=pre_para[i]
+            
 
         ## check data type
         for nn in self.nest[:-1]:
@@ -4537,6 +4691,24 @@ class nested_space(space):
         self.discrete = np.prod([nn.discrete for nn in self.nest],axis=0,dtype=np.bool,out=None)
         self.vol = np.prod([nn.get_meta_volume(total=True) for nn in self.nest],axis=0,dtype=None,out=None) ## total volume
 
+
+    @property
+    def para(self):
+        temp = []
+        for i in range(self.paradict.ndim):
+            temp = np.append(temp, self.paradict[i])
+        return temp
+        
+    @para.setter
+    def para(self, x):
+        dict_iter = 0
+        x_iter = 0
+        while dict_iter < self.paradict.ndim:
+            temp = x[x_iter:x_iter+len(self.paradict[dict_iter])]
+            self.paradict[dict_iter] = temp
+            x_iter = x_iter+len(self.paradict[dict_iter])
+            dict_iter += 1
+                
     ##+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
     def dim(self,split=False):

nifty_paradict.py

@@ -6,9 +6,10 @@ Created on Thu Apr  2 21:29:30 2015
 """
 
 import numpy as np
+## Importing * is ugly, but necessary because of the cyclic import structure
 from nifty import *
-#from nifty import about
 
+"""
 def paradict_getter(space_instance):
     paradict_dictionary = {
         str(space().__class__) : _space_paradict,
@@ -21,21 +22,31 @@ def paradict_getter(space_instance):
     }
     return paradict_dictionary[str(space_instance.__class__)]()
 
+"""
 
-class _space_paradict(object):
+class space_paradict(object):
     def __init__(self, **kwargs):
         self.parameters = {}
         for key in kwargs:
             self[key] = kwargs[key]
-            
+    
+    def __repr__(self):
+        return self.parameters.__repr__()
+        
     def __setitem__(self, key, arg):
+        if(np.isscalar(arg)):
+            arg = np.array([arg],dtype=np.int)
+        else:
+            arg = np.array(arg,dtype=np.int)
+            
         self.parameters.__setitem__(key, arg)
+
     
     def __getitem__(self, key):
         return self.parameters.__getitem__(key)        
       
 
-class _point_space_paradict(_space_paradict):
+class point_space_paradict(space_paradict):
     def __setitem__(self, key, arg):
         if key is not 'num':
             raise ValueError(about._errors.cstring("ERROR: Unsupported point_space parameter"))
@@ -43,20 +54,20 @@ class _point_space_paradict(_space_paradict):
         self.parameters.__setitem__(key, temp)
     
       
-class _rg_space_paradict(_space_paradict):
-    def __init__(self, num, hermitian=False, zerocenter=False):