Bug 99716

CVS commit by lunakl: 

math.h for round()
BUG: 99716


  M +1 -0      gvscrollpixmapview.cpp   1.135


--- kdeextragear-1/gwenview/src/gvscrollpixmapview.cpp  #1.134:1.135
@@ -21,4 +21,5 @@ Foundation, Inc., 59 Temple Place - Suit
 
 #include <assert.h>
+#include <math.h>
 
 // Qt 

Your patch does not solve the problem here because round() is not defined in math.h on Solaris:

if /bin/bash ../../libtool --silent --mode=compile --tag=CXX g++ -DHAVE_CONFIG_H -I. -I. -I../..  -I./.. -I/usr/local/KDE-3.4.0_CVS/include -I/usr/local/qt-050201/include   -D_LARGEFILE64_SOURCE -DQT_THREAD_SUPPORT  -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_SOLARIS -DSVR4  -Wnon-virtual-dtor -Wno-long-long -Wundef -Wall -W -Wpointer-arith -Wwrite-strings -DNDEBUG -DNO_DEBUG -O2 -fno-exceptions -fno-check-new -fno-common -DQT_CLEAN_NAMESPACE -DQT_NO_ASCII_CAST -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION-MT gvscrollpixmapview.lo -MD -MP -MF ".deps/gvscrollpixmapview.Tpo" \
  -c -o gvscrollpixmapview.lo `test -f 'gvscrollpixmapview.cpp' || echo './'`gvscrollpixmapview.cpp; \
then mv -f ".deps/gvscrollpixmapview.Tpo" ".deps/gvscrollpixmapview.Plo"; \
else rm -f ".deps/gvscrollpixmapview.Tpo"; exit 1; \
fi
gvscrollpixmapview.cpp: In member function `int
   GVScrollPixmapView::Private::imageToWidgetX(int) const':
gvscrollpixmapview.cpp:228: error: `round' undeclared (first use this function)
gvscrollpixmapview.cpp:228: error: (Each undeclared identifier is reported only
   once for each function it appears in.)
gvscrollpixmapview.cpp: In member function `int
   GVScrollPixmapView::Private::imageToWidgetY(int) const':
gvscrollpixmapview.cpp:233: error: `round' undeclared (first use this function)
gvscrollpixmapview.cpp: In member function `int
   GVScrollPixmapView::Private::widgetToImageX(int) const':
gvscrollpixmapview.cpp:248: error: `round' undeclared (first use this function)
gvscrollpixmapview.cpp: In member function `int
   GVScrollPixmapView::Private::widgetToImageY(int) const':
gvscrollpixmapview.cpp:253: error: `round' undeclared (first use this function)
make[3]: *** [gvscrollpixmapview.lo] Error 1

Probably you have to use floor()
and maybe to know if you are compiling under linux
use the __linux__ macro but i don't know if it is
only for gcc. 

~ [56]> man floor
NAME
     floor - floor function

SYNOPSIS
     cc [ flag ... ] file ... -lm [ library ... ]
     #include <math.h>

     double floor(double x);

DESCRIPTION
     The floor() function computes the largest integral value not
     greater than x.

RETURN VALUES
     Upon successful  completion,  floor()  returns  the  largest
     integral value not greater than x, expressed as a double.

     If x is NaN, NaN is returned.
ERRORS
     No errors will occur.

USAGE
     The integral value returned by floor() as a double might not
     be  expressible  as  an  int  or  long int. The return value
     should be tested before assigning it to an integer  type  to
     avoid the undefined results of an integer overflow.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|



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Seems like Adrian De Groot fixed this bug. Can you check if the current CVS works for you?

If you can't use the CVS version, can you try to replace the round() call with rint() and tell us if it fixes the problem?

Yep, original snapshot 050222 compiles now, thanks!