{"id":1966,"date":"2019-02-12T01:48:24","date_gmt":"2019-02-12T01:48:24","guid":{"rendered":"https:\/\/cyflexdoc.wpengine.com\/usage-help-manual\/19-variables-and-computations\/"},"modified":"2026-02-25T14:27:49","modified_gmt":"2026-02-25T19:27:49","slug":"2-variables-and-computations","status":"publish","type":"page","link":"https:\/\/cyflex.com\/index.php\/usage-help-manual\/2-variables-and-computations\/","title":{"rendered":"2: Variables and Computations"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Command<\/th>\nPurpose<\/th>\n<\/tr>\n
alias_labels<\/a><\/td>\nProcess a specification file to define alias-label mappings in CyFlex.<\/td>\n<\/tr>\n
arr_size<\/a><\/td>\nDetermine the size of array variable or a particular dimension of the variable.<\/td>\n<\/tr>\n
arr_specs<\/a><\/td>\nProcess array specifications to configure array variables.<\/td>\n<\/tr>\n
compvar<\/a><\/td>\n\n

Evaluate user-defined expressions for computed variables, processing them based on specified intervals and events.<\/p>\n<\/td>\n<\/tr>\n

cvar<\/a><\/td>\n\n

Create and initialize variables in the CyFlex system from the command line or scripts, supporting data types such as REAL, INT, LOGICAL, and STRING.<\/p>\n<\/td>\n<\/tr>\n

em_ave<\/a><\/td>\nCompute and print the mean, standard deviation, minimum, and maximum values for specified input variables over a given sampling interval.<\/td>\n<\/tr>\n
ext_labels<\/a><\/td>\nExtract unique labels from filenames in a specified directory, sort them, and write the result to a file.<\/td>\n<\/tr>\n
garr<\/a><\/td>\nDisplay array variables from shared memory with options to format output for quiet mode, units, and delimiters.<\/td>\n<\/tr>\n
garr_all<\/a><\/td>\nDisplay all active array variables in the CyFlex system including their values or filter them based on a provided string pattern.<\/td>\n<\/tr>\n
gen_labels<\/a><\/td>\nProcess and configure general usage variables based on specification files.<\/td>\n<\/tr>\n
gen_solver<\/a><\/td>\nFind the roots of a specified equation in CyFlex.<\/td>\n<\/tr>\n
MEDOR_set<\/a><\/td>\nUpdate a composition variable based on concentrations from real variables specified in a file, handle event synchronization, and write an output file for database loading.<\/td>\n<\/tr>\n
min_max<\/a><\/td>\nPerform an operation, such as finding the minimum or maximum or label that holds the minimum or maximum value and updating a requested CyFlex variable with the value or CyFlex label.<\/td>\n<\/tr>\n
min_max_specs<\/a><\/td>\nSpecify the minimum\/maximum task configuration.<\/td>\n<\/tr>\n
override_mon<\/a><\/td>\n\n

Monitor the ‘overrideOFF’ event and reset overridden variables in shared memory by restoring their original values.<\/p>\n<\/td>\n<\/tr>\n

override_status<\/a><\/td>\nCheck the override status of a specified variable in CyFlex.<\/td>\n<\/tr>\n
release_compvar<\/a><\/td>\nSet an event to release a specified compvar instance, allowing it to clean up resources and exit.<\/td>\n<\/tr>\n
release_evaluate<\/a><\/td>\nSet an event to release the specified evaluate instance in CyFlex.<\/td>\n<\/tr>\n
restore_array_var<\/a><\/td>\n\n

Restore the contents of a specified CyFlex array variable from a disk file.<\/p>\n<\/td>\n<\/tr>\n

rstr_save_dat<\/a><\/td>\nRestore variables from disk to shared memory for CyFlex.<\/td>\n<\/tr>\n
rvar<\/a><\/td>\nDeactivate variables that were created by the cvar application in CyFlex.<\/td>\n<\/tr>\n
sarr<\/a><\/td>\nSet array variable elements to a specified value based on provided label and dimensions.<\/td>\n<\/tr>\n
sarru<\/a><\/td>\nSet units for an array variable if a units string is provided or display the current units and units code.<\/td>\n<\/tr>\n
save_list<\/a><\/td>\nSpecify variables to maintain on disk for the CyFlex system.<\/td>\n<\/tr>\n
save_status<\/a><\/td>\nSave CyFlex variables on disk.<\/td>\n<\/tr>\n
set_active<\/a><\/td>\nSet the active flag for a specified CyFlex input variable in the transfer layer.<\/td>\n<\/tr>\n
set_alias<\/a><\/td>\nCreate or modify an alias label to point to a specified target variable in CyFlex.<\/td>\n<\/tr>\n
set_inactive<\/a><\/td>\nSet the active flag to FALSE for a specified label in the CyFlex transfer layer for Analog Input (AI), Frequency Input (FI), Counter Input (CI), or Digital Input (DI) variables.<\/td>\n<\/tr>\n
show_gen<\/a><\/td>\nDisplay details of computed strings in the system and display suggestions for appropriate file sections for computations.<\/td>\n<\/tr>\n
sovr<\/a><\/td>\nSet the override mode for a specified variable and optionally set its value if the master override is enabled.<\/td>\n<\/tr>\n
spcl_chans<\/a><\/td>\nConfigure special channels based on a specification file for engine performance parameters.<\/td>\n<\/tr>\n
svar<\/a><\/td>\n\n

Set the value of specified variables in the system, supporting REAL, REAL_ARRAY, INTEGER, INTEGER_ARRAY, LOGICAL, LOGICAL_ARRAY, STRING, and STRING_ARRAY types, with checks for dimensional consistency and restrictions on certain variables.<\/p>\n<\/td>\n<\/tr>\n

tcomp<\/a><\/td>\n\n

Display the number of variables in each memory area that have been assigned an index for history parameters.<\/p>\n<\/td>\n<\/tr>\n

varx_specs<\/a><\/td>\nConfigure real variable transfers for the var_transfer program by processing a specification file.<\/td>\n<\/tr>\n
var_transfer<\/a><\/td>\nTransfer and convert values between CyFlex variables, applying gain, bias, and recursive filtering as configured.<\/td>\n<\/tr>\n
write_array_var<\/a><\/td>\n\n

Use this utility to write the contents of a specified array variable to a disk file in \/data\/<label>.array.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Command Purpose alias_labels Process a specification file to define alias-label mappings in CyFlex. arr_size Determine the size of array variable or a particular dimension of the variable. arr_specs Process array specifications to configure array variables. compvar Evaluate user-defined expressions for computed variables, processing them based on specified intervals and events. cvar Create and initialize variables […]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":557,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1966","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/1966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/comments?post=1966"}],"version-history":[{"count":0,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/1966\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/557"}],"wp:attachment":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/media?parent=1966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}