Remove some old type casts

Signed-off-by: Stefan Weil <[email protected]>

Author: stweil

src/ccmain/osdetect.cpp

@@ -304,7 +304,7 @@ int os_detect_blobs(const GenericVector<int>* allowed_scripts,
   int number_of_blobs = 0;
   for (filtered_it.mark_cycle_pt (); !filtered_it.cycled_list ();
        filtered_it.forward ()) {
-    blobs[number_of_blobs++] = (BLOBNBOX*)filtered_it.data();
+    blobs[number_of_blobs++] = filtered_it.data();
   }
   QRSequenceGenerator sequence(number_of_blobs);
   int num_blobs_evaluated = 0;

src/ccstruct/blobbox.h

@@ -2,7 +2,6 @@
  * File:        blobbox.h  (Formerly blobnbox.h)
  * Description: Code for the textord blob class.
  * Author:      Ray Smith
- * Created:     Thu Jul 30 09:08:51 BST 1992
  *
  * (C) Copyright 1992, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,7 +20,7 @@
 #define BLOBBOX_H
 
 #include <cinttypes>           // for PRId32
-#include <cmath>               // for sqrt
+#include <cmath>               // for std::sqrt
 #include <cstdint>             // for int16_t, int32_t
 #include "elst.h"              // for ELIST_ITERATOR, ELISTIZEH, ELIST_LINK
 #include "elst2.h"             // for ELIST2_ITERATOR, ELIST2IZEH, ELIST2_LINK
@@ -627,9 +626,8 @@ class TO_ROW: public ELIST2_LINK
                            float new_error) {
       para_c = new_c;
       para_error = new_error;
-      credibility =
-        (float) (blobs.length () - kErrorWeight * new_error);
-      y_origin = (float) (new_c / sqrt (1 + gradient * gradient));
+      credibility = blobs.length() -  kErrorWeight * new_error;
+      y_origin = new_c / std::sqrt(1 + gradient * gradient);
       //real intercept
     }
     void set_limits(                  //set min,max

src/ccstruct/polyaprx.cpp

@@ -167,7 +167,7 @@ EDGEPT edgepts[]                 //output is array
       edgepts[epindex].flags[FLAGS] = 0;
       edgepts[epindex].next = &edgepts[epindex + 1];
       prevdir += 64;
-      epdir = (DIR128) 0 - prevdir;
+      epdir = DIR128(0) - prevdir;
       epdir >>= 4;
       epdir &= 7;
       edgepts[epindex].flags[DIR] = epdir;
@@ -199,7 +199,7 @@ EDGEPT edgepts[]                 //output is array
   edgepts[epindex].prev = &edgepts[epindex - 1];
   edgepts[epindex].next = &edgepts[0];
   prevdir += 64;
-  epdir = (DIR128) 0 - prevdir;
+  epdir = DIR128(0) - prevdir;
   epdir >>= 4;
   epdir &= 7;
   edgepts[epindex].flags[DIR] = epdir;