fix compilation with old GCC

vamas.cpp:156: error: call of overloaded 'abs(int&)' is ambiguous /usr/lib/gcc/i686-redhat-linux/4.4.7/../../../../include/c++/4.4.7/cmath:94: note: candidates are: double std::abs(double) /usr/lib/gcc/i686-redhat-linux/4.4.7/../../../../include/c++/4.4.7/cmath:98: note: float std::abs(float) /usr/lib/gcc/i686-redhat-linux/4.4.7/../../../../include/c++/4.4.7/cmath:102: note: long double std::abs(long double)
wojdyr · Dec 17, 2016 · f944b9d · f944b9d
1 parent 63d3ffc
commit f944b9d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xylib/vamas.cpp b/xylib/vamas.cpp
@@ -153,7 +153,7 @@ void VamasDataSet::load_data(std::istream &f)
         all[i] = true;
         inclusion_list[i] = (n <= 0);
     }
-    for (int i = 0; i < abs(n); ++i) {
+    for (int i = 0; i < (n >= 0 ? n : -n); ++i) {
         int idx = read_line_int(f) - 1; // "-1" because the input is 1-based
         inclusion_list[idx] = !inclusion_list[idx];
     }