48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
export let generateFloatRange = (min: number, max: number): number =>
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Math.floor(Math.random() * (max - min) + min);
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export let generateFloatMin = (min: number): number =>
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generateFloatRange(min, 100);
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export let generateFloat = (): number => generateFloatMin(-100);
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let generatePositive = (): number => generateFloatMin(1);
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export let generateNormal = (): string =>
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`normal(${generateFloat()}, ${generatePositive()})`;
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export let generateBeta = (): string =>
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`beta(${generatePositive()}, ${generatePositive()})`;
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export let generateLognormal = (): string =>
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`lognormal(${generateFloat()}, ${generatePositive()})`;
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export let generateExponential = (): string =>
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`exponential(${generatePositive()})`;
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export let generateUniform = (): string => {
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let a = generateFloat();
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let b = generateFloatMin(a + 1);
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return `uniform(${a}, ${b})`;
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};
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export let generateCauchy = (): string => {
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return `cauchy(${generateFloat()}, ${generatePositive()})`;
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};
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export let generateTriangular = (): string => {
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let a = generateFloat();
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let b = generateFloatMin(a + 1);
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let c = generateFloatMin(b + 1);
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return `triangular(${a}, ${b}, ${c})`;
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};
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export let distributions: { [key: string]: () => string } = {
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normal: generateNormal,
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beta: generateBeta,
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lognormal: generateLognormal,
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exponential: generateExponential,
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triangular: generateTriangular,
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cauchy: generateCauchy,
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uniform: generateUniform,
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};
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