Fix various clang-tidy reported performance-type-promotion-in-math-fn

src/collision.cpp

@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "collision.h"
+#include <cmath>
 #include "mapblock.h"
 #include "map.h"
 #include "nodedef.h"
@@ -564,7 +565,7 @@ collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
 				box.MinEdge += *pos_f;
 				box.MaxEdge += *pos_f;
 			}
-			if (fabs(cbox.MaxEdge.Y - box.MinEdge.Y) < 0.15f * BS) {
+			if (std::fabs(cbox.MaxEdge.Y - box.MinEdge.Y) < 0.15f * BS) {
 				result.touching_ground = true;
 
 				if (box_info.is_object)

src/content_sao.cpp

@@ -30,6 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "genericobject.h"
 #include "settings.h"
 #include <algorithm>
+#include <cmath>
 
 std::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
 
@@ -412,7 +413,7 @@ void LuaEntitySAO::step(float dtime, bool send_recommended)
 		move_d += m_last_sent_move_precision;
 		float vel_d = m_velocity.getDistanceFrom(m_last_sent_velocity);
 		if (move_d > minchange || vel_d > minchange ||
-				fabs(m_yaw - m_last_sent_yaw) > 1.0){
+				std::fabs(m_yaw - m_last_sent_yaw) > 1.0) {
 			sendPosition(true, false);
 		}
 	}

src/mapgen/mapgen_carpathian.cpp

@@ -347,11 +347,11 @@ float MapgenCarpathian::terrainLevelAtPoint(s16 x, s16 z)
 
 		// Ridged mountains
 		float ridge_mnt = hilliness * (1.f - std::fabs(n_ridge_mnt));
-		float ridged_mountains = pow(rter, 3.f) * ridge_mnt;
+		float ridged_mountains = std::pow(rter, 3.f) * ridge_mnt;
 
 		// Step (terraced) mountains
 		float step_mnt = hilliness * getSteps(n_step_mnt);
-		float step_mountains = pow(ster, 3.f) * step_mnt;
+		float step_mountains = std::pow(ster, 3.f) * step_mnt;
 
 		// Final terrain level
 		float mountains = hills + ridged_mountains + step_mountains;

src/mapgen/mapgen_v7.cpp

@@ -29,7 +29,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "content_sao.h"
 #include "nodedef.h"
 #include "voxelalgorithms.h"
-//#include "profiler.h" // For TimeTaker
 #include "settings.h" // For g_settings
 #include "emerge.h"
 #include "dungeongen.h"
@@ -575,7 +574,7 @@ void MapgenV7::generateRidgeTerrain()
 
 			float altitude = y - water_level;
 			float height_mod = (altitude + 17) / 2.5;
-			float width_mod  = width - fabs(uwatern);
+			float width_mod  = width - std::fabs(uwatern);
 			float nridge = noise_ridge->result[index] * MYMAX(altitude, 0) / 7.0;
 
 			if (nridge + width_mod * height_mod < 0.6)

src/mapgen/mapgen_valleys.cpp

@@ -433,7 +433,7 @@ int MapgenValleys::getSpawnLevelAtPoint(v2s16 p)
 {
 	// Check to make sure this isn't a request for a location in a river.
 	float rivers = NoisePerlin2D(&noise_rivers->np, p.X, p.Y, seed);
-	if (fabs(rivers) < river_size_factor)
+	if (std::fabs(rivers) < river_size_factor)
 		return MAX_MAP_GENERATION_LIMIT;  // Unsuitable spawn point
 
 	s16 level_at_point = terrainLevelAtPoint(p.X, p.Y);

src/server/serveractiveobjectmap.cpp

@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "serveractiveobjectmap.h"
+#include <cmath>
 #include "constants.h"
 #include "log.h"
 #include "serverobject.h"
@@ -27,12 +28,12 @@ static constexpr float granularity = 16.0 * BS;
 static aabb3s16 calcBox(const aabb3f &cb)
 {
 	return aabb3s16(
-			floor(cb.MinEdge.X / granularity),
+			std::floor(cb.MinEdge.X / granularity),
-			floor(cb.MinEdge.Y / granularity),
+			std::floor(cb.MinEdge.Y / granularity),
-			floor(cb.MinEdge.Z / granularity),
+			std::floor(cb.MinEdge.Z / granularity),
-			ceil(cb.MaxEdge.X / granularity),
+			std::ceil(cb.MaxEdge.X / granularity),
-			ceil(cb.MaxEdge.Y / granularity),
+			std::ceil(cb.MaxEdge.Y / granularity),
-			ceil(cb.MaxEdge.Z / granularity));
+			std::ceil(cb.MaxEdge.Z / granularity));
 }
 
 void ServerActiveObjectMap::addObject(ServerActiveObject *object)

src/unittest/test_utilities.cpp

@@ -119,7 +119,8 @@ void TestUtilities::testAngleWrapAround()
 		UASSERT(std::fabs(modulo360f(f) - fmodf(f, 360)) < 0.001);
 		UASSERT(std::fabs(wrapDegrees_180(f) - ref_WrapDegrees180(f)) < 0.001);
 		UASSERT(std::fabs(wrapDegrees_0_360(f) - ref_WrapDegrees_0_360(f)) < 0.001);
-		UASSERT(wrapDegrees_0_360(fabs(wrapDegrees_180(f) - wrapDegrees_0_360(f))) < 0.001);
+		UASSERT(wrapDegrees_0_360(
+			std::fabs(wrapDegrees_180(f) - wrapDegrees_0_360(f))) < 0.001);
 	}
 }
 

src/util/numeric.cpp

@@ -172,6 +172,6 @@ s16 adjustDist(s16 dist, float zoom_fov)
 		return dist;
 
 	// new_dist = dist * ((1 - cos(FOV / 2)) / (1-cos(zoomFOV /2))) ^ (1/3)
-	return round(dist * cbrt((1.0f - cos(default_fov / 2.0f)) /
+	return round(dist * cbrt((1.0f - std::cos(default_fov / 2.0f)) /
-		(1.0f - cos(zoom_fov / 2.0f))));
+		(1.0f - std::cos(zoom_fov / 2.0f))));
 }