Initial commit

node_modules/fast-check/lib/arbitrary/_internals/helpers/BiasNumericRange.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.integerLogLike = integerLogLike;
+exports.bigIntLogLike = bigIntLogLike;
+exports.biasNumericRange = biasNumericRange;
+const globals_1 = require("../../../utils/globals");
+const safeMathFloor = Math.floor;
+const safeMathLog = Math.log;
+function integerLogLike(v) {
+    return safeMathFloor(safeMathLog(v) / safeMathLog(2));
+}
+function bigIntLogLike(v) {
+    if (v === (0, globals_1.BigInt)(0))
+        return (0, globals_1.BigInt)(0);
+    return (0, globals_1.BigInt)((0, globals_1.String)(v).length);
+}
+function biasNumericRange(min, max, logLike) {
+    if (min === max) {
+        return [{ min: min, max: max }];
+    }
+    if (min < 0 && max > 0) {
+        const logMin = logLike(-min);
+        const logMax = logLike(max);
+        return [
+            { min: -logMin, max: logMax },
+            { min: (max - logMax), max: max },
+            { min: min, max: min + logMin },
+        ];
+    }
+    const logGap = logLike((max - min));
+    const arbCloseToMin = { min: min, max: min + logGap };
+    const arbCloseToMax = { min: (max - logGap), max: max };
+    return min < 0
+        ? [arbCloseToMax, arbCloseToMin]
+        : [arbCloseToMin, arbCloseToMax];
+}