X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/66e41ccd173874b3309e4c24be64c7b6b2ac6298..1d494bb187b70135df721c13306d7f26fdf33f50:/pypol/isl.py

diff --git a/pypol/isl.py b/pypol/isl.py
deleted file mode 100644
index 32ce305..0000000
--- a/pypol/isl.py
+++ /dev/null
@@ -1,136 +0,0 @@
-import ctypes, ctypes.util
-
-from . import _isl
-
-
-__all__ = [
-    'Context',
-    'BasicSet',
-]
-
-
-libisl = ctypes.CDLL(ctypes.util.find_library('isl'))
-
-libisl.isl_printer_get_str.restype = ctypes.c_char_p
-libisl.isl_dim_set = _isl.dim_set
-
-
-class IslObject:
-
-    __slots__ = (
-        '_ptr',
-    )
-
-    def __init__(self, ptr):
-        self._ptr = ptr
-
-    @property
-    def _as_parameter_(self):
-        return self._ptr
-
-
-class Context(IslObject):
-
-    def __init__(self):
-        ptr = libisl.isl_ctx_alloc()
-        super().__init__(ptr)
-
-    #comment out so does not delete itself after being created
-    #def __del__(self):
-    #   libisl.isl_ctx_free(self)
-
-    def __eq__(self, other):
-        if not isinstance(other, Context):
-            return False
-        return self._ptr == other._ptr
-
-
-class BasicSet(IslObject):
-
-    def __str__(self):
-        ls = libisl.isl_basic_set_get_local_space(self)
-        ctx = libisl.isl_local_space_get_ctx(ls)
-        p = libisl.isl_printer_to_str(ctx)
-        p = libisl.isl_printer_print_basic_set(p, self)
-        string = libisl.isl_printer_get_str(p).decode()
-        return string
-
-    def __del__(self):
-        libisl.isl_basic_set_free(self)
-
-    def constraints(self):
-        return _isl.basic_set_constraints(self._ptr)
-        
-    def _fromisl(self, cls, symbols):
-        constraints = self.constraints()
-        equalities = []
-        inequalities = []
-        co = []
-        eq_string = ""
-        in_string = ""
-        string = ""
-        for constraint in constraints:
-            ls = libisl.isl_basic_set_get_local_space(self)
-            ctx = libisl.isl_local_space_get_ctx(ls)
-            p = libisl.isl_printer_to_str(ctx)
-            if libisl.isl_constraint_is_equality(constraint): #check if equality
-                constant = libisl.isl_constraint_get_constant_val(constraint)
-                const = libisl.isl_printer_print_val(p, constant)
-                const = libisl.isl_printer_get_str(const).decode()
-                const = int(const)
-                libisl.isl_printer_free(p)
-                for symbol in symbols:
-                    p = libisl.isl_printer_to_str(ctx)
-                    dim = symbols.index(symbol)
-                    coefficient = libisl.isl_constraint_get_coefficient_val(constraint, libisl.isl_dim_set, dim)
-                    coeff = libisl.isl_printer_print_val(p, coefficient)
-                    coeff = libisl.isl_printer_get_str(coeff).decode()
-                    coeff = int(coeff)
-                    if coeff!=0:
-                        co.append('{}{}'.format(coeff, symbols[dim])) 
-                        for value in co:
-                            string += '{}+'.format(value)
-                        equalities.append('{}{}==0'.format(string, const))
-                        co = []
-                        string = ''                     
-                    libisl.isl_printer_free(p)
-            else: #same for inequality
-                constant = libisl.isl_constraint_get_constant_val(constraint)
-                const = libisl.isl_printer_print_val(p, constant)
-                const = libisl.isl_printer_get_str(const).decode()
-                const = int(const)
-                libisl.isl_printer_free(p)
-                for symbol in symbols:
-                    p = libisl.isl_printer_to_str(ctx)
-                    dim = symbols.index(symbol)
-                    coefficient = libisl.isl_constraint_get_coefficient_val(constraint, libisl.isl_dim_set, dim)
-                    coeff = libisl.isl_printer_print_val(p, coefficient)
-                    coeff = libisl.isl_printer_get_str(coeff).decode()
-                    coeff = int(coeff)
-                    if coeff!=0:
-                        co.append('{}{}'.format(coeff, symbols[dim])) 
-                        for value in co:
-                            string += '{} + '.format(value)
-                        inequalities.append('{}{} <= 0'.format(string, const))
-                        co = []
-                        string = ""
-                    libisl.isl_printer_free(p)
-                    
-        for equations in equalities:
-            eq_string += ' {}'.format(equations)
-            eq_strings = eq_string.split()
-        print(eq_strings)
-        
-        for equations in inequalities:
-            in_string += ', {}'.format(equations)
-        print(in_string)
-        if eq_string and in_string:
-            final = '{}, {}'.format(eq_string, in_string)
-        elif eq_string != '':
-            final = '{}'.format(eq_strings)
-        elif in_string != '' :
-            final = '{}'.format(in_string)
-            
-                               
-        return ('{}({!r})'.format(cls.__name__,final))  
-