use cmath

* avoid using #include <math.h>
* add std:: namespace prefix when calling <cmath> functions

2 files changed, 3 insertions, 1 deletions

diff --git a/searchcore/src/tests/applyattrupdates/applyattrupdates.cpp b/searchcore/src/tests/applyattrupdates/applyattrupdates.cpp
index bc1f44740da..ea85cebaf44 100644
--- a/searchcore/src/tests/applyattrupdates/applyattrupdates.cpp
+++ b/searchcore/src/tests/applyattrupdates/applyattrupdates.cpp
@@ -20,6 +20,7 @@
 #include <vespa/searchlib/attribute/attributefactory.h>
 #include <vespa/searchlib/attribute/attributevector.hpp>
 #include <vespa/vespalib/testkit/testapp.h>
+#include <cmath>
 
 LOG_SETUP("applyattrupdates_test");
 
diff --git a/searchcore/src/vespa/searchcore/proton/matching/match_thread.cpp b/searchcore/src/vespa/searchcore/proton/matching/match_thread.cpp
index e6bf8f616b7..781da158254 100644
--- a/searchcore/src/vespa/searchcore/proton/matching/match_thread.cpp
+++ b/searchcore/src/vespa/searchcore/proton/matching/match_thread.cpp
@@ -20,6 +20,7 @@
 #include <vespa/vespalib/util/closure.h>
 #include <vespa/vespalib/util/thread_bundle.h>
 #include <vespa/log/log.h>
+#include <cmath>
 
 LOG_SETUP(".proton.matching.match_thread");
 
@@ -68,7 +69,7 @@ MatchThread::match_loop(MatchTools &matchTools, IteratorT search,
                 ranking.run(docId);
                 double score = *score_feature;
                 // convert NaN and Inf scores to -Inf
-                if (__builtin_expect(isnan(score) || isinf(score), false)) {
+                if (__builtin_expect(std::isnan(score) || std::isinf(score), false)) {
                     score = -HUGE_VAL;
                 }
                 // invert test since default drop limit is -NaN (keep all hits)