本文整理汇总了TypeScript中neuroglancer/gpu_hash/hash_table.HashTable类的典型用法代码示例。如果您正苦于以下问题：TypeScript HashTable类的具体用法？TypeScript HashTable怎么用？TypeScript HashTable使用的例子？那么, 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HashTable类的6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: checkPresent
function checkPresent(x: Uint64) {
let temp = new Uint32Array(2);
temp[0] = x.low;
temp[1] = x.high;
let inputValue = encodeBytesToFloat32(temp);
gl.uniform4fv(shader.uniform('inputValue'), inputValue);
hashTableShaderManager.enable(gl, shader, gpuHashTable);
tester.execute();
let curIndex = executeIndex;
++executeIndex;
let outputNumber = 1;
for (let alt = 0; alt < NUM_ALTERNATIVES; ++alt) {
let valueLow = tester.readUint32(outputNumber++);
let valueHigh = tester.readUint32(outputNumber++);
let h = hashTable.getHash(alt, x.low, x.high);
let expectedValueLow = hashTable.tables[alt][h];
let expectedValueHigh = hashTable.tables[alt][h + 1];
expect(valueLow).toEqual(
expectedValueLow, `curIndex = ${curIndex}, x = ${[x.low, x.high]}, alt = ${alt}`);
expect(valueHigh).toEqual(
expectedValueHigh, `curIndex = ${curIndex}, x = ${[x.low, x.high]}, alt = ${alt}`);
}
let resultBytes = tester.readBytes();
return resultBytes[0] === 255;
}示例2: fragmentShaderTest
fragmentShaderTest(1 + 2 * NUM_ALTERNATIVES, tester => {
let numAlternatives = NUM_ALTERNATIVES;
let {gl, builder} = tester;
let hashTableShaderManager = new HashTableShaderManager('h');
hashTableShaderManager.defineShader(builder);
builder.addUniform('vec4', 'inputValue', 2);
let {bName, samplerName} = hashTableShaderManager;
let s = `
uint64_t x;
x.low = inputValue[0];
x.high = inputValue[1];
gl_FragData[0] = h_has(x) ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, 0.0, 0.0);
float highOffset = ${bName}[${numAlternatives * 4 + 2}];
`;
{
let outputNumber = 1;
for (let alt = 0; alt < NUM_ALTERNATIVES; ++alt) {
s += `
{
vec2 v = h_computeHash_${alt}(x);
gl_FragData[${outputNumber++}] = texture2D(${samplerName}[${alt}], v);
gl_FragData[${outputNumber++}] = texture2D(${samplerName}[${alt}], vec2(v.x + highOffset, v.y));
}
`;
}
}
builder.setFragmentMain(s);
tester.build();
let {shader} = tester;
shader.bind();
let hashTable = new HashTable();
let gpuHashTable = tester.registerDisposer(GPUHashTable.get(gl, hashTable));
let testValues = new Array<Uint64>();
while (testValues.length < COUNT) {
let x = Uint64.random();
if (hashTable.has(x.low, x.high)) {
continue;
}
testValues.push(x);
hashTable.add(x.low, x.high);
}
let notPresentValues = new Array<Uint64>();
while (notPresentValues.length < COUNT) {
let x = Uint64.random();
if (hashTable.has(x.low, x.high)) {
continue;
}
notPresentValues.push(x);
}
let executeIndex = 0;
function checkPresent(x: Uint64) {
let temp = new Uint32Array(2);
temp[0] = x.low;
temp[1] = x.high;
let inputValue = encodeBytesToFloat32(temp);
gl.uniform4fv(shader.uniform('inputValue'), inputValue);
hashTableShaderManager.enable(gl, shader, gpuHashTable);
tester.execute();
let curIndex = executeIndex;
++executeIndex;
let outputNumber = 1;
for (let alt = 0; alt < NUM_ALTERNATIVES; ++alt) {
let valueLow = tester.readUint32(outputNumber++);
let valueHigh = tester.readUint32(outputNumber++);
let h = hashTable.getHash(alt, x.low, x.high);
let expectedValueLow = hashTable.tables[alt][h];
let expectedValueHigh = hashTable.tables[alt][h + 1];
expect(valueLow).toEqual(expectedValueLow, `curIndex = ${curIndex}, x = ${[x.low, x.high]}, alt = ${alt}`);
expect(valueHigh).toEqual(expectedValueHigh, `curIndex = ${curIndex}, x = ${[x.low, x.high]}, alt = ${alt}`);
}
let resultBytes = tester.readBytes();
return resultBytes[0] === 255;
}
testValues.forEach((x, i) => {
expect(hashTable.has(x.low, x.high)).toBe(true, `cpu: i = ${i}, x = ${x}`);
expect(checkPresent(x)).toBe(true, `gpu: i = ${i}, x = ${x}, index = ${hashTable.hasWithTableIndex(x.low, x.high)}`);
});
notPresentValues.forEach((x, i) => {
expect(hashTable.has(x.low, x.high)).toBe(false, `cpu: i = ${i}, x = ${x}`);
expect(checkPresent(x)).toBe(false, `gpu: i = ${i}, x = ${x}`);
});
});示例3: it
it('test', () => {
let ht = new HashTable();
let map = new Map();
let maxValue = Math.pow(2, 32);
function genNumber() { return Math.floor(Math.random() * maxValue); }
function getRandomKey() {
while (true) {
let v = new Uint64(genNumber(), genNumber());
if (v.low !== ht.emptyLow || v.high !== ht.emptyHigh) {
return v;
}
}
}
function compareViaIterate() {
let htValues = new Map();
for (let [low, high] of ht) {
let v = new Uint64(low, high);
let s = v.toString();
if (htValues.has(s)) {
throw new Error('Duplicate key in hash table: ' + [low, high]);
}
if (!map.has(s)) {
throw new Error('Unexpected key ' + [low, high] + ' in hash table');
}
htValues.set(s, v);
}
for (let [s, k] of map) {
if (!htValues.has(s)) {
throw new Error('Hash table is missing key ' + [k.low, k.high]);
}
}
}
function compareViaHas() {
for (let [, k] of map) {
expect(ht.has(k.low, k.high)).toBe(true, `Hash table is missing key ${[k.low, k.high]}`);
}
}
function compare() {
compareViaIterate();
compareViaHas();
}
let numInsertions = 100;
for (let i = 0; i < numInsertions; ++i) {
let k: Uint64;
let s: string;
while (true) {
k = getRandomKey();
s = k.toString();
if (!map.has(k)) {
break;
}
}
map.set(s, k);
expect(ht.has(k.low, k.high))
.toBe(false, `Unexpected positive has result for ${[k.low, k.high]}`);
ht.add(k.low, k.high);
compare();
}
});示例4: expect
testValues.forEach((x, i) => {
expect(hashTable.has(x.low, x.high)).toBe(true, `cpu: i = ${i}, x = ${x}`);
expect(checkPresent(x))
.toBe(
true,
`gpu: i = ${i}, x = ${x}, index = ${hashTable.hasWithTableIndex(x.low, x.high)}`);
});示例5: expect
notPresentValues.forEach((x, i) => {
expect(hashTable.has(x.low, x.high)).toBe(false, `cpu: i = ${i}, x = ${x}`);
expect(checkPresent(x)).toBe(false, `gpu: i = ${i}, x = ${x}`);
});示例6: compareViaHas
function compareViaHas() {
for (let [, k] of map) {
expect(ht.has(k.low, k.high)).toBe(true, `Hash table is missing key ${[k.low, k.high]}`);
}
}