Merge pull request #28 from JPZEBRA/revision

Revise Speed
JPZEBRA · May 21, 2021 · b20c90e · b20c90e
2 parents 03b9893 + 10ac836
commit b20c90e
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 10 deletions.
diff --git a/calc2_js.html b/calc2_js.html
@@ -17,7 +17,7 @@
 
 <div width="100%" class="mid">
 
-<p>Huge Number Calculator Ver.2  @ BASIC on JavaScript ( Version 0.8.4 )</p>
+<p>Huge Number Calculator Ver.2  @ BASIC on JavaScript ( Version 0.8.5 )</p>
 
 <canvas id="canvas01" width = "640" height = "480">HTML5 : canvas</canvas>
 

diff --git a/lib/FloatedBigDigit.js b/lib/FloatedBigDigit.js
@@ -1,7 +1,7 @@
 /* FLOATED BIG DIGIT CLASS */
 /* CREATE  2021.02.06      */
 /* REVISED 2021.05.21      */
-/* Ver 0.8.4               */
+/* Ver 0.8.5               */
 /* Original by K-ARAI      */
 
 
@@ -27,6 +27,10 @@ var floatedBigDigitCashedPI = false;
 var floatedBigDigitCashPI;
 var floatedBigDigitCashedPI_R;
 
+var floatedBigDigitCashedLB = false;
+var floatedBigDigitCashLB;
+var floatedBigDigitCashedLB_L = 0;
+
 
 /****************************************************************************/
 /****************************************************************************/
@@ -59,6 +63,10 @@ function FreeFloatedBigDigit() {
 
     floatedBigDigitCashedPI = false;
 
+    if(floatedBigDigitCashedLB) floatedBigDigitCashLB = NaN;
+
+    floatedBigDigitCashedLB = false;
+
 }
 
 /****************************************************************************/
@@ -245,13 +253,20 @@ function FloatedBigDigit() {
         var rf = this.minus;
         this.minus = false;
 
-        var C = new FloatedBigDigit();
-
-        C.set(1);
+        if( floatedBigDigitCashedLB && floatedBigDigitCashedLB_L != last_bit_boost) {
+            floatedBigDigitCashLB = NaN;
+            floatedBigDigitCashedLB = false;
+        }
 
-        C.shiftPoint = - ( C.N + floatedBigDigit_F*last_bit_boost );
+        if(!floatedBigDigitCashedLB) {
+            floatedBigDigitCashLB  = new FloatedBigDigit();
+            floatedBigDigitCashedLB = true;
+            floatedBigDigitCashedLB_L = last_bit_boost;
+            floatedBigDigitCashLB.set(1);
+            floatedBigDigitCashLB.shiftPoint = - ( floatedBigDigitCashLB.N + floatedBigDigit_F*last_bit_boost );
+        }
 
-        var ret = !(this.Compare(C)>=0);
+        var ret = !(this.Compare(floatedBigDigitCashLB)>=0);
 
         this.minus = rf;
 
@@ -3465,8 +3480,6 @@ function FloatedBigDigit() {
 
         if(this.checkOver()) return floatedBigDigitERR;
 
-        if(stop) return floatedBigDigitERR;
-
         return floatedBigDigitOK;
 
     }
@@ -3493,7 +3506,6 @@ function FloatedBigDigit() {
         var A = new FloatedBigDigit();
         var B = new FloatedBigDigit();
 
-
         A.Copy(V);
         A.Mul(V);
         A.sub(1);