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sym_find_initial_bounds 

int sym_find_initial_bounds(sym_environment *env)
Description:

This routine invokes the user callback user_start_heurs() to set the priori bound for the problem.

Arguments:

sym_environment *env INOUT Pointer to the SYMPHONY environment.

Return values:

ERROR__USER Error. User error detected in user_start_heurs()
  function.
FUNCTION_TERMINATED_ABNORMALLY Function invoked unsuccessfully.
FUNCTION_TERMINATED_NORMALLY Function invoked successfully.