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-rw-r--r--core/math/a_star.cpp2
-rw-r--r--core/math/math_funcs.h17
2 files changed, 18 insertions, 1 deletions
diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp
index 320990cc50..838fec22f0 100644
--- a/core/math/a_star.cpp
+++ b/core/math/a_star.cpp
@@ -401,7 +401,7 @@ void AStar::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_point_weight_scale", "id"), &AStar::get_point_weight_scale);
ClassDB::bind_method(D_METHOD("remove_point", "id"), &AStar::remove_point);
- ClassDB::bind_method(D_METHOD("connect_points", "id", "to_id"), &AStar::connect_points, DEFVAL(true));
+ ClassDB::bind_method(D_METHOD("connect_points", "id", "to_id", "bidirectional"), &AStar::connect_points, DEFVAL(true));
ClassDB::bind_method(D_METHOD("disconnect_points", "id", "to_id"), &AStar::disconnect_points);
ClassDB::bind_method(D_METHOD("are_points_connected", "id", "to_id"), &AStar::are_points_connected);
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h
index ca960aabad..45509a0808 100644
--- a/core/math/math_funcs.h
+++ b/core/math/math_funcs.h
@@ -110,6 +110,15 @@ public:
static _ALWAYS_INLINE_ bool is_inf(double p_val) {
#ifdef _MSC_VER
return !_finite(p_val);
+// use an inline implementation of isinf as a workaround for problematic libstdc++ versions from gcc 5.x era
+#elif defined(__GNUC__) && __GNUC__ < 6
+ union {
+ uint64_t u;
+ double f;
+ } ieee754;
+ ieee754.f = p_val;
+ return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) == 0x7ff00000 &&
+ ((unsigned)ieee754.u == 0);
#else
return isinf(p_val);
#endif
@@ -118,6 +127,14 @@ public:
static _ALWAYS_INLINE_ bool is_inf(float p_val) {
#ifdef _MSC_VER
return !_finite(p_val);
+// use an inline implementation of isinf as a workaround for problematic libstdc++ versions from gcc 5.x era
+#elif defined(__GNUC__) && __GNUC__ < 6
+ union {
+ uint32_t u;
+ float f;
+ } ieee754;
+ ieee754.f = p_val;
+ return (ieee754.u & 0x7fffffff) == 0x7f800000;
#else
return isinf(p_val);
#endif