commit 0b1b842e9348f554017a29f8f1bca9268e7a2a46
author Brad King <brad.king@kitware.com> Wed Oct 03 15:38:40 2018 +0000
committer Kitware Robot <kwrobot@kitware.com> Wed Oct 03 11:38:46 2018 -0400
tree c1f74b26b8a52e38c63231be391e7d09e64c9897
parent 583060a9690d8339ecd209f8bf7d087ab4477532
parent 6d288846178a1b75e9d50578d710265516ce8f82

Merge topic 'ctest-num-width'

6d28884617 cmCTestRunTest: Avoid float/int conversions in number width logic

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2433

Source/CTest/cmCTestRunTest.h

diff --git a/Source/CTest/cmCTestRunTest.h b/Source/CTest/cmCTestRunTest.h
index 48a5064..10dceca 100644
--- a/Source/CTest/cmCTestRunTest.h
+++ b/Source/CTest/cmCTestRunTest.h
@@ -5,7 +5,6 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
-#include <cmath>
 #include <set>
 #include <stddef.h>
 #include <string>
@@ -122,7 +121,12 @@
 
 inline int getNumWidth(size_t n)
 {
-  return static_cast<int>(std::log10(n)) + 1;
+  int w = 1;
+  while (n >= 10) {
+    n /= 10;
+    ++w;
+  }
+  return w;
 }
 
 #endif