From 68b35eb86d831e4256acba73c0c0fef905c3e48b Mon Sep 17 00:00:00 2001
From: Nicolas Stucki <nicolas.stucki@gmail.com>
Date: Mon, 4 May 2020 19:35:27 +0200
Subject: [PATCH] Add regression test

---
 tests/pos-macros/f64Pow5Split/Lib.scala   |  2 ++
 tests/pos-macros/f64Pow5Split/Macro.scala | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 tests/pos-macros/f64Pow5Split/Lib.scala
 create mode 100644 tests/pos-macros/f64Pow5Split/Macro.scala

diff --git a/tests/pos-macros/f64Pow5Split/Lib.scala b/tests/pos-macros/f64Pow5Split/Lib.scala
new file mode 100644
index 000000000000..4d29ecb1aaa6
--- /dev/null
+++ b/tests/pos-macros/f64Pow5Split/Lib.scala
@@ -0,0 +1,2 @@
+
+private final val f64Pow5Split: Array[Long] = Macro.f64Pow5Split
diff --git a/tests/pos-macros/f64Pow5Split/Macro.scala b/tests/pos-macros/f64Pow5Split/Macro.scala
new file mode 100644
index 000000000000..5232ad792d1f
--- /dev/null
+++ b/tests/pos-macros/f64Pow5Split/Macro.scala
@@ -0,0 +1,19 @@
+import scala.quoted._
+
+object Macro {
+
+  inline def f64Pow5Split: Array[Long] = ${ f64Pow5SplitExpr }
+  private def f64Pow5SplitExpr(using QuoteContext): Expr[Array[Long]] = Expr {
+    val ss = new Array[Long](652)
+    var pow5 = BigInt(1)
+    var i = 0
+    while (i < 652) {
+      ss(i) = (pow5 >> (pow5.bitLength - 121)).longValue & 0x3FFFFFFFFFFFFFFFL
+      ss(i + 1) = (pow5 >> (pow5.bitLength - 59)).longValue & 0x3FFFFFFFFFFFFFFFL
+      pow5 *= 5
+      i += 2
+    }
+    ss
+  }
+
+}