Added methods to the lib

libraries/diff-studio-utils/index.ts

@@ -1 +0,0 @@
-export {invMatrix} from './wasm/get-inv-matr';

libraries/diff-studio-utils/src/constants.ts

@@ -0,0 +1,52 @@
+// Control constants
+export const CONTROL_TAG = '#';
+export const CONTROL_TAG_LEN = CONTROL_TAG.length;
+export const DF_NAME = 'df';
+const META = `${CONTROL_TAG}meta`;
+export const MAX_LINE_CHART = 4;
+
+/** Control expressions for the problem specifying */
+export enum CONTROL_EXPR {
+    NAME = `${CONTROL_TAG}name`,
+    TAGS = `${CONTROL_TAG}tags`,
+    DESCR = `${CONTROL_TAG}description`,
+    DIF_EQ = `${CONTROL_TAG}equations`,
+    EXPR = `${CONTROL_TAG}expressions`,
+    ARG = `${CONTROL_TAG}argument`,
+    INITS = `${CONTROL_TAG}inits`,
+    CONSTS = `${CONTROL_TAG}constants`,
+    PARAMS = `${CONTROL_TAG}parameters`,
+    TOL = `${CONTROL_TAG}tolerance`,
+    LOOP = `${CONTROL_TAG}loop`,
+    UPDATE = `${CONTROL_TAG}update`,
+    RUN_ON_OPEN = `${META}.runOnOpen`,
+    RUN_ON_INPUT = `${META}.runOnInput`,
+    OUTPUT = `${CONTROL_TAG}output`,
+    COMMENT = `${CONTROL_TAG}comment`,
+    SOLVER = `${META}.solver`,
+    INPUTS = `${META}.inputs`,
+};
+
+/** Loop consts */
+export enum LOOP {
+  MIN_LINES_COUNT = 1,
+  COUNT_IDX = 0,
+  COUNT_NAME = '_count',
+  MIN_COUNT = 1,
+};
+
+/** UPDATE consts */
+export enum UPDATE {
+  MIN_LINES_COUNT = 1,
+  DURATION_IDX = 0,
+  DURATION = '_duration',
+};
+
+/** Ranges of the solver options */
+export const SOLVER_OPTIONS_RANGES = new Map([
+  ['maxTime', {min: 1, max: 10000}],
+  ['scale', {min: 0.5, max: 1}],
+]);
+
+export const TINY = 0.0001;
+export const STEP_RATIO = 0.5;