* src/misc/timer.hh, src/misc/timer.cc: New files.

* src/misc/Makefile.am (misc_HEADERS, libmisc_la_SOURCES): Add them.
* src/tgbatest/randtgba.cc: Use time_map to measure the algorithms.
Add the -R option.
* src/sanity/style.sh: Let me use `for (.*;;)'.

src/sanity/style.test

@@ -110,7 +110,7 @@ for dir in "${INCDIR-..}" "${INCDIR-..}"/../iface; do
     grep '[	 ];' $tmp &&
       diag 'No space before semicolon.'
 
-    grep -v 'for (;;)' $tmp | grep ';[^	 ")]' &&
+    grep -v 'for (.*;;)' $tmp | grep ';[^	 ")]' &&
       diag 'Must have space or newline after semicolon.'
 
     grep '}.*}' $tmp &&