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Set column names for printout support. #3

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Set column names for printout support. #3

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17 changes: 16 additions & 1 deletion pylpsolve/pylpsolve.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -255,6 +255,9 @@ cdef extern from "lp_solve_5.5/lp_lib.h":

ecode set_add_rowmode(lprec*, unsigned char turn_on)

ecode set_col_name(lprec*, int colnr, char *new_name)
ecode set_row_name(lprec*, int colnr, char *new_name)

# Variable bounds
ecode set_lowbo(lprec*, int column, real value)
ecode set_upbo(lprec*, int column, real value)
Expand Down Expand Up @@ -1913,7 +1916,14 @@ cdef class LP(object):
set_binary(self.lp, I[i] + 1, False)
else:
assert False


def applyIndexNames(self):
for name, idx in self._named_index_blocks.iteritems():
if idx[0,0] + 1 == idx[0,1]:
py_byte_string = <str>(name)
set_col_name(self.lp, idx[0,0] + 1, py_byte_string)


############################################################
# Helper functions for turning dictionaries or tuple-lists into an
# index array + value array.
Expand Down Expand Up @@ -2295,6 +2305,11 @@ cdef class LP(object):

self.applyObjective()

####################
# Index Names

self.applyIndexNames()

####################
# Set the basis/guess

Expand Down