X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Flyxlib.h;h=23894ee2ebea1d47d077ca3344ada70edd32e89f;hb=82b3a26a320f1056b09d4061bfbe704e838b7487;hp=ecf3289b617159bdae465937cc9fcc45de07a7e5;hpb=0be0fcfd5907d448cd51addf83ed7032719a0692;p=lyx.git

diff --git a/src/support/lyxlib.h b/src/support/lyxlib.h
index ecf3289b61..23894ee2eb 100644
--- a/src/support/lyxlib.h
+++ b/src/support/lyxlib.h
@@ -7,7 +7,7 @@
  * A selection of useful system functions made
  * handy for C++ usage.
  *
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -15,42 +15,25 @@
 #ifndef LYX_LIB_H
 #define LYX_LIB_H
 
-#include "LString.h"
+// always include <math.h> (also with MSVC), to avoid compiler specific side effects
+#include <math.h>
+
+#ifdef _MSC_VER
+/// Replacement for C99 round()
+inline double round(double x)
+{
+	if (x < 0)
+		return ceil(x - 0.5);
+	else
+		return floor(x + 0.5);
+}
+#endif
 
 namespace lyx {
 namespace support {
 
-/// get the current working directory
-string const getcwd();
-/// change to a directory, 0 is returned on success.
-int chdir(string const & name);
-/**
- * rename a file, returns false if it fails.
- * It can handle renames across partitions.
- */
-bool rename(string const & from, string const & to);
-/// copy a file, returns false it it fails
-bool copy(string const & from, string const & to);
-/// generates a checksum of a file
-unsigned long sum(string const & file);
 /// FIXME: some point to this hmm ?
 int kill(int pid, int sig);
-/// FIXME: same here
-void abort();
-/// create the given directory with the given mode
-int mkdir(string const & pathname, unsigned long int mode);
-/// put a C string into the environment
-int putenv(char const * str);
-/// unlink the given file
-int unlink(string const & file);
-/// remove the given directory
-int rmdir(string const & file);
-/// convert the given string to an integer
-int atoi(string const & nstr);
-/// (securely) create a temporary file in the given dir with the given prefix
-string const tempName(string const & dir = string(),
-		      string const & mask = string());
-
 
 /**
  * Returns true if var is approximately equal to number with allowed error
@@ -60,11 +43,17 @@ string const tempName(string const & dir = string(),
  *
  * This will check if 'var' is approx. equal to 'number' with error of 1/1000
  */
-inline bool float_equal(float var, float number, float error)
+inline bool float_equal(double var, double number, double error)
 {
 	return (number - error <= var && var <= number + error);
 }
 
+/// round \p x to nearest integer
+inline int iround(double x)
+{
+	return static_cast<int>(round(x));
+}
+
 } // namespace support
 } // namespace lyx