本文整理汇总了TypeScript中angular2/src/facade/math.Math类的典型用法代码示例。如果您正苦于以下问题:TypeScript Math类的具体用法?TypeScript Math怎么用?TypeScript Math使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Math类的10个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: addDays
addDays(days: number): CustomDate {
var newDay = this.day + days;
var newMonth = this.month + Math.floor(newDay / 30);
newDay = newDay % 30;
var newYear = this.year + Math.floor(newMonth / 12);
return new CustomDate(newYear, newMonth, newDay);
}
示例2: transform
transform(value, args: List<any> = null): any {
if (isBlank(args) || args.length == 0) {
throw new BaseException('limitTo pipe requires one argument');
}
var limit: int = args[0];
var left = 0, right = Math.min(limit, value.length);
if (limit < 0) {
left = Math.max(0, value.length + limit);
right = value.length;
}
if (isString(value)) {
return StringWrapper.substring(value, left, right);
}
return ListWrapper.slice(value, left, right);
}
示例3: calculateStandardDeviation
static calculateStandardDeviation(sample, mean) {
var deviation = 0;
ListWrapper.forEach(sample, (x) => { deviation += Math.pow(x - mean, 2); });
deviation = deviation / (sample.length);
deviation = Math.sqrt(deviation);
return deviation;
}
示例4: calculateStandardDeviation
static calculateStandardDeviation(samples: number[], mean) {
var deviation = 0;
// TODO: use reduce
samples.forEach(x => deviation += Math.pow(x - mean, 2));
deviation = deviation / (samples.length);
deviation = Math.sqrt(deviation);
return deviation;
}
示例5: transform
transform(value: any, args: List<any> = null): any {
if (isBlank(args) || args.length == 0) {
throw new BaseException('limitTo pipe requires one argument');
}
if (!this.supports(value)) {
throw new InvalidPipeArgumentException(LimitToPipe, value);
}
if (isBlank(value)) return value;
var limit: number = args[0];
var left = 0, right = Math.min(limit, value.length);
if (limit < 0) {
left = Math.max(0, value.length + limit);
right = value.length;
}
if (isString(value)) {
return StringWrapper.substring(value, left, right);
}
return ListWrapper.slice(value, left, right);
}
示例6: calculateRegressionSlope
static calculateRegressionSlope(xValues: List<number>, xMean: number, yValues: List<number>,
yMean: number) {
// See http://en.wikipedia.org/wiki/Simple_linear_regression
var dividendSum = 0;
var divisorSum = 0;
for (var i = 0; i < xValues.length; i++) {
dividendSum += (xValues[i] - xMean) * (yValues[i] - yMean);
divisorSum += Math.pow(xValues[i] - xMean, 2);
}
return dividendSum / divisorSum;
}
示例7:
this._printStringRow(this._metricNames.map(metricName => {
var samples = validSamples.map(measureValues => measureValues.values[metricName]);
var mean = Statistic.calculateMean(samples);
var cv = Statistic.calculateCoefficientOfVariation(samples, mean);
var formattedMean = ConsoleReporter._formatNum(mean)
// Note: Don't use the unicode character for +- as it might cause
// hickups for consoles...
return NumberWrapper.isNaN(cv) ?
formattedMean :
`${formattedMean}+-${Math.floor(cv)}%`;
}));
示例8:
ListWrapper.forEach(sample, (x) => { deviation += Math.pow(x - mean, 2); });
示例9:
samples.forEach(x => deviation += Math.pow(x - mean, 2));
示例10: instance
Ancestor} from 'angular2/src/core/annotations/visibility';
import {EventEmitter,
PropertySetter,
Attribute} from 'angular2/src/core/annotations/di';
import * as viewModule from 'angular2/src/core/compiler/view';
import {ViewContainer} from 'angular2/src/core/compiler/view_container';
import {NgElement} from 'angular2/src/core/dom/element';
import {Directive,
onChange,
onDestroy,
onAllChangesDone} from 'angular2/src/core/annotations/annotations';
import {BindingPropagationConfig} from 'angular2/change_detection';
import * as pclModule from 'angular2/src/core/compiler/private_component_location';
import {setterFactory} from 'angular2/src/render/dom/view/property_setter_factory';
var _MAX_DIRECTIVE_CONSTRUCTION_COUNTER = 10;
var MAX_DEPTH = Math.pow(2, 30) - 1;
var _undefined = new Object();
var _staticKeys;
class StaticKeys {
constructor() {
this.viewId = Key.get(viewModule.View).id;
this.ngElementId = Key.get(NgElement).id;
this.viewContainerId = Key.get(ViewContainer).id;
this.bindingPropagationConfigId = Key.get(BindingPropagationConfig).id;
this.privateComponentLocationId = Key.get(pclModule.PrivateComponentLocation).id;
}
static instance() {
if (isBlank(_staticKeys))
_staticKeys = new StaticKeys();
return _staticKeys;
}