Replace math functions that promote float to double

sway/config/output.c

@@ -257,7 +257,7 @@ static void set_mode(struct wlr_output *output, struct wlr_output_state *pending
 	// Not all floating point integers can be represented exactly
 	// as (int)(1000 * mHz / 1000.f)
 	// round() the result to avoid any error
-	int mhz = (int)round(refresh_rate * 1000);
+	int mhz = (int)roundf(refresh_rate * 1000);
 
 	if (wl_list_empty(&output->modes) || custom) {
 		sway_log(SWAY_DEBUG, "Assigning custom mode to %s", output->name);

sway/desktop/output.c

@@ -364,14 +364,14 @@ overlay:
 }
 
 static int scale_length(int length, int offset, float scale) {
-	return round((offset + length) * scale) - round(offset * scale);
+	return roundf((offset + length) * scale) - roundf(offset * scale);
 }
 
 void scale_box(struct wlr_box *box, float scale) {
 	box->width = scale_length(box->width, box->x, scale);
 	box->height = scale_length(box->height, box->y, scale);
-	box->x = round(box->x * scale);
+	box->x = roundf(box->x * scale);
-	box->y = round(box->y * scale);
+	box->y = roundf(box->y * scale);
 }
 
 struct sway_workspace *output_get_active_workspace(struct sway_output *output) {
@@ -683,11 +683,11 @@ static void damage_surface_iterator(struct sway_output *output,
 	pixman_region32_init(&damage);
 	wlr_surface_get_effective_damage(surface, &damage);
 	wlr_region_scale(&damage, &damage, output->wlr_output->scale);
-	if (ceil(output->wlr_output->scale) > surface->current.scale) {
+	if (ceilf(output->wlr_output->scale) > surface->current.scale) {
 		// When scaling up a surface, it'll become blurry so we need to
 		// expand the damage region
 		wlr_region_expand(&damage, &damage,
-			ceil(output->wlr_output->scale) - surface->current.scale);
+			ceilf(output->wlr_output->scale) - surface->current.scale);
 	}
 	pixman_region32_translate(&damage, box.x, box.y);
 	if (wlr_damage_ring_add(&output->damage_ring, &damage)) {

sway/desktop/render.c

@@ -50,7 +50,7 @@ struct render_data {
  * scaled to 2px.
  */
 static int scale_length(int length, int offset, float scale) {
-	return round((offset + length) * scale) - round(offset * scale);
+	return roundf((offset + length) * scale) - roundf(offset * scale);
 }
 
 static void scissor_output(struct wlr_output *wlr_output,
@@ -482,7 +482,7 @@ static void render_titlebar(struct sway_output *output,
 	size_t inner_width = width - titlebar_h_padding * 2;
 
 	// output-buffer local
-	int ob_inner_x = round(inner_x * output_scale);
+	int ob_inner_x = roundf(inner_x * output_scale);
 	int ob_inner_width = scale_length(inner_width, inner_x, output_scale);
 	int ob_bg_height = scale_length(
 			(titlebar_v_padding - titlebar_border_thickness) * 2 +
@@ -531,7 +531,7 @@ static void render_titlebar(struct sway_output *output,
 		memcpy(&color, colors->background, sizeof(float) * 4);
 		premultiply_alpha(color, con->alpha);
 		box.x = texture_box.x + round(output_x * output_scale);
-		box.y = round((y + titlebar_border_thickness) * output_scale);
+		box.y = roundf((y + titlebar_border_thickness) * output_scale);
 		box.width = texture_box.width;
 		box.height = ob_padding_above;
 		render_rect(output, output_damage, &box, color);
@@ -562,7 +562,7 @@ static void render_titlebar(struct sway_output *output,
 
 		// The title texture might be shorter than the config->font_height,
 		// in which case we need to pad it above and below.
-		int ob_padding_above = round((titlebar_v_padding -
+		int ob_padding_above = roundf((titlebar_v_padding -
 					titlebar_border_thickness) * output_scale);
 		int ob_padding_below = ob_bg_height - ob_padding_above -
 			texture_box.height;
@@ -607,7 +607,7 @@ static void render_titlebar(struct sway_output *output,
 		memcpy(&color, colors->background, sizeof(float) * 4);
 		premultiply_alpha(color, con->alpha);
 		box.x = texture_box.x + round(output_x * output_scale);
-		box.y = round((y + titlebar_border_thickness) * output_scale);
+		box.y = roundf((y + titlebar_border_thickness) * output_scale);
 		box.width = texture_box.width;
 		box.height = ob_padding_above;
 		render_rect(output, output_damage, &box, color);
@@ -647,7 +647,7 @@ static void render_titlebar(struct sway_output *output,
 	box.width = ob_right_x - ob_left_x - ob_left_width;
 	if (box.width > 0) {
 		box.x = ob_left_x + ob_left_width + round(output_x * output_scale);
-		box.y = round(bg_y * output_scale);
+		box.y = roundf(bg_y * output_scale);
 		box.height = ob_bg_height;
 		render_rect(output, output_damage, &box, color);
 	}

sway/input/seatop_default.c

@@ -726,7 +726,7 @@ static void handle_pointer_axis(struct sway_seat *seat,
 				seat_get_active_tiling_child(seat, tabcontainer);
 			list_t *siblings = container_get_siblings(cont);
 			int desired = list_find(siblings, active->sway_container) +
-				round(scroll_factor * event->delta_discrete / WLR_POINTER_AXIS_DISCRETE_STEP);
+				roundf(scroll_factor * event->delta_discrete / WLR_POINTER_AXIS_DISCRETE_STEP);
 			if (desired < 0) {
 				desired = 0;
 			} else if (desired >= siblings->length) {
@@ -761,7 +761,7 @@ static void handle_pointer_axis(struct sway_seat *seat,
 	if (!handled) {
 		wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec,
 			event->orientation, scroll_factor * event->delta,
-			round(scroll_factor * event->delta_discrete), event->source);
+			roundf(scroll_factor * event->delta_discrete), event->source);
 	}
 }
 

sway/input/seatop_down.c

@@ -28,7 +28,7 @@ static void handle_pointer_axis(struct sway_seat *seat,
 
 	wlr_seat_pointer_notify_axis(seat->wlr_seat, event->time_msec,
 		event->orientation, scroll_factor * event->delta,
-		round(scroll_factor * event->delta_discrete), event->source);
+		roundf(scroll_factor * event->delta_discrete), event->source);
 }
 
 static void handle_button(struct sway_seat *seat, uint32_t time_msec,