From 79c2c881bb7ae1cbdeeff91d4875b4bf2e54df06 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 7 Feb 2016 21:19:28 +0100
Subject: [PATCH] patch 7.4.1285 Problem:    Cannot measure elapsed time.
 Solution:   Add reltimefloat().

---
 src/eval.c                | 24 ++++++++++++++++++++++++
 src/ex_cmds2.c            | 18 ++++++++++++++++++
 src/proto/ex_cmds2.pro    |  1 +
 src/testdir/test_alot.vim |  1 +
 src/version.c             |  2 ++
 5 files changed, 46 insertions(+)

diff --git a/src/eval.c b/src/eval.c
index c2d18aa869424..787f0f03431e1 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -690,6 +690,9 @@ static void f_pyeval(typval_T *argvars, typval_T *rettv);
 static void f_range(typval_T *argvars, typval_T *rettv);
 static void f_readfile(typval_T *argvars, typval_T *rettv);
 static void f_reltime(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_reltimefloat(typval_T *argvars, typval_T *rettv);
+#endif
 static void f_reltimestr(typval_T *argvars, typval_T *rettv);
 static void f_remote_expr(typval_T *argvars, typval_T *rettv);
 static void f_remote_foreground(typval_T *argvars, typval_T *rettv);
@@ -8270,6 +8273,7 @@ static struct fst
     {"range",		1, 3, f_range},
     {"readfile",	1, 3, f_readfile},
     {"reltime",		0, 2, f_reltime},
+    {"reltimefloat",	1, 1, f_reltimefloat},
     {"reltimestr",	1, 1, f_reltimestr},
     {"remote_expr",	2, 3, f_remote_expr},
     {"remote_foreground", 1, 1, f_remote_foreground},
@@ -16010,6 +16014,26 @@ f_reltime(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 #endif
 }
 
+#ifdef FEAT_FLOAT
+/*
+ * "reltimefloat()" function
+ */
+    static void
+f_reltimefloat(typval_T *argvars UNUSED, typval_T *rettv)
+{
+# ifdef FEAT_RELTIME
+    proftime_T	tm;
+# endif
+
+    rettv->v_type = VAR_FLOAT;
+    rettv->vval.v_float = 0;
+# ifdef FEAT_RELTIME
+    if (list2proftime(&argvars[0], &tm) == OK)
+	rettv->vval.v_float = profile_float(&tm);
+# endif
+}
+#endif
+
 /*
  * "reltimestr()" function
  */
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 98b8c8fbb53d9..49e4d3df44f2a 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -1010,6 +1010,24 @@ profile_msg(proftime_T *tm)
     return buf;
 }
 
+# if defined(FEAT_FLOAT) || defined(PROTO)
+/*
+ * Return a float that represents the time in "tm".
+ */
+    float_T
+profile_float(proftime_T *tm)
+{
+#  ifdef WIN3264
+    LARGE_INTEGER   fr;
+
+    QueryPerformanceFrequency(&fr);
+    return (float_T)tm->QuadPart / (float_T)fr.QuadPart;
+#  else
+    return (float_T)tm->tv_sec + (float_T)tm->tv_usec / 1000000.0;
+#  endif
+}
+# endif
+
 /*
  * Put the time "msec" past now in "tm".
  */
diff --git a/src/proto/ex_cmds2.pro b/src/proto/ex_cmds2.pro
index 54ccf12c30c78..a73e10f646c69 100644
--- a/src/proto/ex_cmds2.pro
+++ b/src/proto/ex_cmds2.pro
@@ -14,6 +14,7 @@ void profile_start(proftime_T *tm);
 void profile_end(proftime_T *tm);
 void profile_sub(proftime_T *tm, proftime_T *tm2);
 char *profile_msg(proftime_T *tm);
+float_T profile_float(proftime_T *tm);
 void profile_setlimit(long msec, proftime_T *tm);
 int profile_passed_limit(proftime_T *tm);
 void profile_zero(proftime_T *tm);
diff --git a/src/testdir/test_alot.vim b/src/testdir/test_alot.vim
index 97454335deb99..e2956492f347a 100644
--- a/src/testdir/test_alot.vim
+++ b/src/testdir/test_alot.vim
@@ -9,6 +9,7 @@ source test_glob2regpat.vim
 source test_json.vim
 source test_lispwords.vim
 source test_menu.vim
+source test_reltime.vim
 source test_searchpos.vim
 source test_set.vim
 source test_sort.vim
diff --git a/src/version.c b/src/version.c
index c2d75bbe82fae..ea0c77055897d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1285,
 /**/
     1284,
 /**/