From 3014eb82cf13fcb8d09c9d26839fd66d808e446b Mon Sep 17 00:00:00 2001
From: Mike Stupalov <mike@stupalov.com>
Date: Fri, 3 Nov 2023 16:26:29 +0300
Subject: [PATCH] Added quetta and ronna Si/IEC prefixes.

---
 source/HasIECUnitsTrait.php | 12 ++++++++++++
 source/HasSIUnitsTrait.php  | 10 ++++++++++
 2 files changed, 22 insertions(+)

diff --git a/source/HasIECUnitsTrait.php b/source/HasIECUnitsTrait.php
index 502ca00..7cadbc9 100644
--- a/source/HasIECUnitsTrait.php
+++ b/source/HasIECUnitsTrait.php
@@ -92,6 +92,18 @@ protected static function addMissingIECPrefixedUnits(
             ],
 
             // Partial list of SI prefixes (not all used for storages)
+            [
+                'abbr_prefix' => 'Q',
+                'long_prefix' => 'quetta',
+                'factor'      => 1e30,
+                'si'          => 10
+            ],
+            [
+                'abbr_prefix' => 'R',
+                'long_prefix' => 'ronna',
+                'factor'      => 1e27,
+                'si'          => 9
+            ],
             [
                 'abbr_prefix' => 'Y',
                 'long_prefix' => 'yotta',
diff --git a/source/HasSIUnitsTrait.php b/source/HasSIUnitsTrait.php
index acc6a87..0d18ad2 100644
--- a/source/HasSIUnitsTrait.php
+++ b/source/HasSIUnitsTrait.php
@@ -49,6 +49,16 @@ protected static function addMissingSIPrefixedUnits(
          * The standard set of SI prefixes
          */
         $siPrefixes = [
+            [
+                'abbr_prefix' => 'Q',
+                'long_prefix' => 'quetta',
+                'factor'      => 1e30
+            ],
+            [
+                'abbr_prefix' => 'R',
+                'long_prefix' => 'ronna',
+                'factor'      => 1e27
+            ],
             [
                 'abbr_prefix' => 'Y',
                 'long_prefix' => 'yotta',