change how we handle Inf

This should fix issue #252

DESCRIPTION

@@ -1,5 +1,5 @@
 Package: ggrepel
-Version: 0.9.5
+Version: 0.9.5.9999
 Authors@R: c(
     person("Kamil", "Slowikowski", email = "kslowikowski@gmail.com", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-2843-6370")),
     person("Alicia", "Schep", role = "ctb", comment = c(ORCID = "0000-0002-3915-0618")),

R/utilities.R

@@ -81,17 +81,21 @@ parse_safe <- function(text) {
 #' @noRd
 exclude_outside <- function(data, panel_scales) {
   if ("x.range" %in% names(panel_scales)) {
-    ix <- data$x >= panel_scales$x.range[1] &
-      data$x <= panel_scales$x.range[2] &
-      data$y >= panel_scales$y.range[1] &
-      data$y <= panel_scales$y.range[2]
+    xr <- panel_scales$x.range
+    yr <- panel_scales$y.range
+    ix <- inside(data$x, xr) & inside(data$y, yr)
     data <- data[ix,,drop=FALSE]
   } else if ("x_range" %in% names(panel_scales)) {
-    ix <- data$x >= panel_scales$x_range[1] &
-      data$x <= panel_scales$x_range[2] &
-      data$y >= panel_scales$y_range[1] &
-      data$y <= panel_scales$y_range[2]
+    xr <- panel_scales$x_range
+    yr <- panel_scales$y_range
+    ix <- inside(data$x, xr) & inside(data$y, yr)
     data <- data[ix,,drop=FALSE]
   }
   data
 }
+
+#' Exclude data points outside the panel ranges
+#' @noRd
+inside <- function(x, bounds) {
+  is.infinite(x) | (x <= bounds[2] & x >= bounds[1])
+}