1 files changed, 23 insertions, 0 deletions
diff --git a/native/jni/src/correction.cpp b/native/jni/src/correction.cpp
index 949158a0b..d7b67c98b 100644
--- a/native/jni/src/correction.cpp
+++ b/native/jni/src/correction.cpp
@@ -625,6 +625,29 @@ Correction::CorrectionType Correction::processCharAndCalcState(const int c, cons
     }
 }
 
+/* static */ int Correction::powerIntCapped(const int base, const int n) {
+    if (n <= 0) return 1;
+    if (base == 2) {
+        return n < 31 ? 1 << n : S_INT_MAX;
+    } else {
+        int ret = base;
+        for (int i = 1; i < n; ++i) multiplyIntCapped(base, &ret);
+        return ret;
+    }
+}
+
+/* static */ void Correction::multiplyRate(const int rate, int *freq) {
+    if (*freq != S_INT_MAX) {
+        if (*freq > 1000000) {
+            *freq /= 100;
+            multiplyIntCapped(rate, freq);
+        } else {
+            multiplyIntCapped(rate, freq);
+            *freq /= 100;
+        }
+    }
+}
+
 inline static int getQuoteCount(const int *word, const int length) {
     int quoteCount = 0;
     for (int i = 0; i < length; ++i) {