--- old/modules/javafx.graphics/src/main/native-iio/libjpeg7/jfdctflt.c	2018-10-01 15:30:43.732372888 +0530
+++ new/modules/javafx.graphics/src/main/native-iio/libjpeg7/jfdctflt.c	2018-10-01 15:30:43.328372888 +0530
@@ -2,7 +2,7 @@
  * jfdctflt.c
  *
  * Copyright (C) 1994-1996, Thomas G. Lane.
- * Modified 2003-2009 by Guido Vollbeding.
+ * Modified 2003-2017 by Guido Vollbeding.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
@@ -38,7 +38,7 @@
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
-#include "jdct.h"               /* Private declarations for DCT subsystem */
+#include "jdct.h"		/* Private declarations for DCT subsystem */
 
 #ifdef DCT_FLOAT_SUPPORTED
 
@@ -48,12 +48,14 @@
  */
 
 #if DCTSIZE != 8
-  Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */
+  Sorry, this code only copes with 8x8 DCT blocks. /* deliberate syntax err */
 #endif
 
 
 /*
  * Perform the forward DCT on one block of samples.
+ *
+ * cK represents cos(K*pi/16).
  */
 
 GLOBAL(void)
@@ -84,22 +86,22 @@
 
     /* Even part */
 
-    tmp10 = tmp0 + tmp3;        /* phase 2 */
+    tmp10 = tmp0 + tmp3;	/* phase 2 */
     tmp13 = tmp0 - tmp3;
     tmp11 = tmp1 + tmp2;
     tmp12 = tmp1 - tmp2;
 
-    /* Apply unsigned->signed conversion */
+    /* Apply unsigned->signed conversion. */
     dataptr[0] = tmp10 + tmp11 - 8 * CENTERJSAMPLE; /* phase 3 */
     dataptr[4] = tmp10 - tmp11;
 
     z1 = (tmp12 + tmp13) * ((FAST_FLOAT) 0.707106781); /* c4 */
-    dataptr[2] = tmp13 + z1;    /* phase 5 */
+    dataptr[2] = tmp13 + z1;	/* phase 5 */
     dataptr[6] = tmp13 - z1;
 
     /* Odd part */
 
-    tmp10 = tmp4 + tmp5;        /* phase 2 */
+    tmp10 = tmp4 + tmp5;	/* phase 2 */
     tmp11 = tmp5 + tmp6;
     tmp12 = tmp6 + tmp7;
 
@@ -109,15 +111,15 @@
     z4 = ((FAST_FLOAT) 1.306562965) * tmp12 + z5; /* c2+c6 */
     z3 = tmp11 * ((FAST_FLOAT) 0.707106781); /* c4 */
 
-    z11 = tmp7 + z3;            /* phase 5 */
+    z11 = tmp7 + z3;		/* phase 5 */
     z13 = tmp7 - z3;
 
-    dataptr[5] = z13 + z2;      /* phase 6 */
+    dataptr[5] = z13 + z2;	/* phase 6 */
     dataptr[3] = z13 - z2;
     dataptr[1] = z11 + z4;
     dataptr[7] = z11 - z4;
 
-    dataptr += DCTSIZE;         /* advance pointer to next row */
+    dataptr += DCTSIZE;		/* advance pointer to next row */
   }
 
   /* Pass 2: process columns. */
@@ -135,7 +137,7 @@
 
     /* Even part */
 
-    tmp10 = tmp0 + tmp3;        /* phase 2 */
+    tmp10 = tmp0 + tmp3;	/* phase 2 */
     tmp13 = tmp0 - tmp3;
     tmp11 = tmp1 + tmp2;
     tmp12 = tmp1 - tmp2;
@@ -149,7 +151,7 @@
 
     /* Odd part */
 
-    tmp10 = tmp4 + tmp5;        /* phase 2 */
+    tmp10 = tmp4 + tmp5;	/* phase 2 */
     tmp11 = tmp5 + tmp6;
     tmp12 = tmp6 + tmp7;
 
@@ -159,7 +161,7 @@
     z4 = ((FAST_FLOAT) 1.306562965) * tmp12 + z5; /* c2+c6 */
     z3 = tmp11 * ((FAST_FLOAT) 0.707106781); /* c4 */
 
-    z11 = tmp7 + z3;            /* phase 5 */
+    z11 = tmp7 + z3;		/* phase 5 */
     z13 = tmp7 - z3;
 
     dataptr[DCTSIZE*5] = z13 + z2; /* phase 6 */
@@ -167,7 +169,7 @@
     dataptr[DCTSIZE*1] = z11 + z4;
     dataptr[DCTSIZE*7] = z11 - z4;
 
-    dataptr++;                  /* advance pointer to next column */
+    dataptr++;			/* advance pointer to next column */
   }
 }