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_node_modules/fast-check/lib/arbitrary/double.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.double = double;
+const ArrayInt64_1 = require("./_internals/helpers/ArrayInt64");
+const ArrayInt64Arbitrary_1 = require("./_internals/ArrayInt64Arbitrary");
+const DoubleHelpers_1 = require("./_internals/helpers/DoubleHelpers");
+const DoubleOnlyHelpers_1 = require("./_internals/helpers/DoubleOnlyHelpers");
+const safeNumberIsInteger = Number.isInteger;
+const safeNumberIsNaN = Number.isNaN;
+const safeNegativeInfinity = Number.NEGATIVE_INFINITY;
+const safePositiveInfinity = Number.POSITIVE_INFINITY;
+const safeMaxValue = Number.MAX_VALUE;
+const safeNaN = Number.NaN;
+function safeDoubleToIndex(d, constraintsLabel) {
+    if (safeNumberIsNaN(d)) {
+        throw new Error('fc.double constraints.' + constraintsLabel + ' must be a 64-bit float');
+    }
+    return (0, DoubleHelpers_1.doubleToIndex)(d);
+}
+function unmapperDoubleToIndex(value) {
+    if (typeof value !== 'number')
+        throw new Error('Unsupported type');
+    return (0, DoubleHelpers_1.doubleToIndex)(value);
+}
+function numberIsNotInteger(value) {
+    return !safeNumberIsInteger(value);
+}
+function anyDouble(constraints) {
+    const { noDefaultInfinity = false, noNaN = false, minExcluded = false, maxExcluded = false, min = noDefaultInfinity ? -safeMaxValue : safeNegativeInfinity, max = noDefaultInfinity ? safeMaxValue : safePositiveInfinity, } = constraints;
+    const minIndexRaw = safeDoubleToIndex(min, 'min');
+    const minIndex = minExcluded ? (0, ArrayInt64_1.add64)(minIndexRaw, ArrayInt64_1.Unit64) : minIndexRaw;
+    const maxIndexRaw = safeDoubleToIndex(max, 'max');
+    const maxIndex = maxExcluded ? (0, ArrayInt64_1.substract64)(maxIndexRaw, ArrayInt64_1.Unit64) : maxIndexRaw;
+    if ((0, ArrayInt64_1.isStrictlySmaller64)(maxIndex, minIndex)) {
+        throw new Error('fc.double constraints.min must be smaller or equal to constraints.max');
+    }
+    if (noNaN) {
+        return (0, ArrayInt64Arbitrary_1.arrayInt64)(minIndex, maxIndex).map(DoubleHelpers_1.indexToDouble, unmapperDoubleToIndex);
+    }
+    const positiveMaxIdx = (0, ArrayInt64_1.isStrictlyPositive64)(maxIndex);
+    const minIndexWithNaN = positiveMaxIdx ? minIndex : (0, ArrayInt64_1.substract64)(minIndex, ArrayInt64_1.Unit64);
+    const maxIndexWithNaN = positiveMaxIdx ? (0, ArrayInt64_1.add64)(maxIndex, ArrayInt64_1.Unit64) : maxIndex;
+    return (0, ArrayInt64Arbitrary_1.arrayInt64)(minIndexWithNaN, maxIndexWithNaN).map((index) => {
+        if ((0, ArrayInt64_1.isStrictlySmaller64)(maxIndex, index) || (0, ArrayInt64_1.isStrictlySmaller64)(index, minIndex))
+            return safeNaN;
+        else
+            return (0, DoubleHelpers_1.indexToDouble)(index);
+    }, (value) => {
+        if (typeof value !== 'number')
+            throw new Error('Unsupported type');
+        if (safeNumberIsNaN(value))
+            return !(0, ArrayInt64_1.isEqual64)(maxIndex, maxIndexWithNaN) ? maxIndexWithNaN : minIndexWithNaN;
+        return (0, DoubleHelpers_1.doubleToIndex)(value);
+    });
+}
+function double(constraints = {}) {
+    if (!constraints.noInteger) {
+        return anyDouble(constraints);
+    }
+    return anyDouble((0, DoubleOnlyHelpers_1.refineConstraintsForDoubleOnly)(constraints))
+        .map(DoubleOnlyHelpers_1.doubleOnlyMapper, DoubleOnlyHelpers_1.doubleOnlyUnmapper)
+        .filter(numberIsNotInteger);
+}