e30ae8ed09
- App.tsx: full navigation (Auth stack + Main tabs with 5 screens) - Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen - HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors - MapScreen: interactive map with layer toggles (6 layers) - MarketplaceScreen: categories (6), products (5), search - ChatScreen: AI chat with quick prompts (4), bot responses - ProfileScreen: user info, stats, menu (9 items), logout - AlertsScreen: alert list with severity, acknowledge - SensorsScreen: sensor list with type filters (6 types), search - ZonesScreen: zone cards with stats - SettingsScreen: language picker (FR/EN/ES/DE), privacy, about - Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n - Hooks: useSensors, useAlerts, useNotifications, useLocation - Components: Card, Button, LoadingSpinner, ErrorBoundary, Header - Services: iotService, notificationService (with axios API client) - Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN) - Theme: colors.ts with full design system (Blue Ocean palette) - Ditto: fixed MongoDB connection, new JWT secrets, official gateway image
74 lines
1.7 KiB
JavaScript
74 lines
1.7 KiB
JavaScript
'use strict';
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var $abs = require('math-intrinsics/abs');
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var $floor = require('math-intrinsics/floor');
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var $pow = require('math-intrinsics/pow');
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var isFinite = require('math-intrinsics/isFinite');
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var isNaN = require('math-intrinsics/isNaN');
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var isNegativeZero = require('math-intrinsics/isNegativeZero');
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var maxFiniteFloat16 = 65504; // 2**16 - 2**5
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module.exports = function valueToFloat16Bytes(value, isLittleEndian) {
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// NaN → exponent=all-ones, mantissa MSB=1 → 0x7e00
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if (isNaN(value)) {
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return isLittleEndian
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? [0x00, 0x7e]
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: [0x7e, 0x00];
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}
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var leastSig;
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// ±0 → just the sign bit
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if (value === 0) {
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leastSig = isNegativeZero(value) ? 0x80 : 0x00;
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return isLittleEndian
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? [0x00, leastSig]
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: [leastSig, 0x00];
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}
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// ±∞ → exponent=all-ones, mantissa=0 → 0x7c00 or 0xfc00
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if ($abs(value) > maxFiniteFloat16 || !isFinite(value)) {
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leastSig = value < 0 ? 0xfc : 0x7c;
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return isLittleEndian
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? [0x00, leastSig]
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: [leastSig, 0x00];
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}
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var sign = value < 0 ? 1 : 0;
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value = $abs(value); // eslint-disable-line no-param-reassign
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// normalize to [1,2)
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var exponent = 0;
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while (value >= 2) {
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exponent += 1;
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value /= 2; // eslint-disable-line no-param-reassign
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}
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while (value < 1) {
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exponent -= 1;
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value *= 2; // eslint-disable-line no-param-reassign
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}
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// build mantissa (10 bits)
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var mantissa = value - 1;
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mantissa *= $pow(2, 10) + 0.5;
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mantissa = $floor(mantissa);
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// apply bias (15) and shift into place
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exponent += 15;
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exponent <<= 10;
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// pack sign, exponent, mantissa
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var result = (sign << 15) | exponent | mantissa;
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// split into two bytes
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var byte0 = result & 0xFF;
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result >>= 8;
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var byte1 = result & 0xFF;
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return isLittleEndian
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? [byte0, byte1]
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: [byte1, byte0];
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};
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