definitions fixed

utils/number-utils.ts

@@ -0,0 +1,34 @@
+var epsilon = 1E-05;
+
+export function areClose(value1: number, value2: number): boolean {
+    return (Math.abs(value1 - value2) < epsilon);
+}
+
+export function greaterThanOrClose(value1: number, value2: number): boolean {
+    return (value1 > value2) || areClose(value1, value2);
+}
+
+export function greaterThan(value1: number, value2: number): boolean {
+    return (value1 > value2) && !areClose(value1, value2);
+}
+
+export function lessThan(value1: number, value2: number): boolean {
+    return (value1 < value2) && !areClose(value1, value2);
+}
+
+export function isZero(value: number): boolean {
+    return (Math.abs(value) < epsilon);
+}
+
+export function greaterThanZero(value: Object): boolean {
+    return (<number>value) > 0;
+}
+
+export function notNegative(value: Object): boolean {
+    return (<number>value) >= 0;
+}
+
+export function isFiniteNumber(value: Object): boolean {
+    var num = <number>value;
+    return isFinite(num);
+}