Добавлена ДБ

node_modules/fast-check/lib/arbitrary/float.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.float = float;
+const integer_1 = require("./integer");
+const FloatHelpers_1 = require("./_internals/helpers/FloatHelpers");
+const FloatOnlyHelpers_1 = require("./_internals/helpers/FloatOnlyHelpers");
+const safeNumberIsInteger = Number.isInteger;
+const safeNumberIsNaN = Number.isNaN;
+const safeMathFround = Math.fround;
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+const safeNaN = Number.NaN;
+function safeFloatToIndex(f, constraintsLabel) {
+    const conversionTrick = 'you can convert any double to a 32-bit float by using `Math.fround(myDouble)`';
+    const errorMessage = 'fc.float constraints.' + constraintsLabel + ' must be a 32-bit float - ' + conversionTrick;
+    if (safeNumberIsNaN(f) || safeMathFround(f) !== f) {
+        throw new Error(errorMessage);
+    }
+    return (0, FloatHelpers_1.floatToIndex)(f);
+}
+function unmapperFloatToIndex(value) {
+    if (typeof value !== 'number')
+        throw new Error('Unsupported type');
+    return (0, FloatHelpers_1.floatToIndex)(value);
+}
+function numberIsNotInteger(value) {
+    return !safeNumberIsInteger(value);
+}
+function anyFloat(constraints) {
+    const { noDefaultInfinity = false, noNaN = false, minExcluded = false, maxExcluded = false, min = noDefaultInfinity ? -FloatHelpers_1.MAX_VALUE_32 : safeNegativeInfinity, max = noDefaultInfinity ? FloatHelpers_1.MAX_VALUE_32 : safePositiveInfinity, } = constraints;
+    const minIndexRaw = safeFloatToIndex(min, 'min');
+    const minIndex = minExcluded ? minIndexRaw + 1 : minIndexRaw;
+    const maxIndexRaw = safeFloatToIndex(max, 'max');
+    const maxIndex = maxExcluded ? maxIndexRaw - 1 : maxIndexRaw;
+    if (minIndex > maxIndex) {
+        throw new Error('fc.float constraints.min must be smaller or equal to constraints.max');
+    }
+    if (noNaN) {
+        return (0, integer_1.integer)({ min: minIndex, max: maxIndex }).map(FloatHelpers_1.indexToFloat, unmapperFloatToIndex);
+    }
+    const minIndexWithNaN = maxIndex > 0 ? minIndex : minIndex - 1;
+    const maxIndexWithNaN = maxIndex > 0 ? maxIndex + 1 : maxIndex;
+    return (0, integer_1.integer)({ min: minIndexWithNaN, max: maxIndexWithNaN }).map((index) => {
+        if (index > maxIndex || index < minIndex)
+            return safeNaN;
+        else
+            return (0, FloatHelpers_1.indexToFloat)(index);
+    }, (value) => {
+        if (typeof value !== 'number')
+            throw new Error('Unsupported type');
+        if (safeNumberIsNaN(value))
+            return maxIndex !== maxIndexWithNaN ? maxIndexWithNaN : minIndexWithNaN;
+        return (0, FloatHelpers_1.floatToIndex)(value);
+    });
+}
+function float(constraints = {}) {
+    if (!constraints.noInteger) {
+        return anyFloat(constraints);
+    }
+    return anyFloat((0, FloatOnlyHelpers_1.refineConstraintsForFloatOnly)(constraints))
+        .map(FloatOnlyHelpers_1.floatOnlyMapper, FloatOnlyHelpers_1.floatOnlyUnmapper)
+        .filter(numberIsNotInteger);
+}