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configure test for round

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40681 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2006-08-19 21:28:18 +00:00
parent 82184c0abf
commit b34497d885
2 changed files with 8 additions and 4 deletions
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5
configure.in
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@@ -4386,6 +4386,11 @@ if test "$wxUSE_FILE" = "yes"; then
AC_CHECK_FUNCS(fsync) AC_CHECK_FUNCS(fsync)
fi fi
AC_CHECK_FUNCS(round)
if test "$ac_cv_func_round" = yes; then
AC_CHECK_DECLS(round,,,[#include <math.h>])
fi
dnl the following tests are for Unix(like) systems only dnl the following tests are for Unix(like) systems only
if test "$TOOLKIT" != "MSW"; then if test "$TOOLKIT" != "MSW"; then

7
include/wx/math.h
View File

@@ -105,13 +105,12 @@
inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); } inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); }
#ifdef __VMS #if defined(HAVE_ROUND) && !defined(HAVE_DECL_ROUND)
//Missing definition in OpenVMS C++ header files. extern "C" double round(double);
double round(double __x);
#endif #endif
inline int wxRound(double x) inline int wxRound(double x)
{ {
#ifdef __VMS #if defined(HAVE_ROUND)
return int(round(x)); return int(round(x));
#else #else
return (int)(x < 0 ? x - 0.5 : x + 0.5); return (int)(x < 0 ? x - 0.5 : x + 0.5);