refactor(mersenne): rewrite internal mersenne (#1447)

1 files changed, 6 insertions, 5 deletions

diff --git a/src/modules/datatype/index.ts b/src/modules/datatype/index.ts
index 41c5c3e4..d4fcbbd6 100644
--- a/src/modules/datatype/index.ts
+++ b/src/modules/datatype/index.ts
@@ -1,7 +1,7 @@
 import type { Faker } from '../..';
 import { FakerError } from '../../errors/faker-error';
 import { deprecated } from '../../internal/deprecated';
-import type { MersenneModule } from '../../internal/mersenne/mersenne';
+import type { Mersenne } from '../../internal/mersenne/mersenne';
 
 /**
  * Module to generate various primitive values and data types.
@@ -56,13 +56,14 @@ export class DatatypeModule {
       throw new FakerError(`Max ${max} should be greater than min ${min}.`);
     }
 
-    const mersenne: MersenneModule =
+    const mersenne: Mersenne =
       // @ts-expect-error: access private member field
       this.faker._mersenne;
 
-    const randomNumber = Math.floor(
-      mersenne.rand(max / precision + 1, min / precision)
-    );
+    const randomNumber = mersenne.next({
+      min: min / precision,
+      max: max / precision + 1,
+    });
 
     // Workaround problem in float point arithmetics for e.g. 6681493 / 0.01
     return randomNumber / (1 / precision);