Avoid direct use of INFINITY.

tglsfdc · tglsfdc · commit 12cc299c65ba · 2015-05-15T22:15:01.000-04:00
It's not very portable.  Per buildfarm.
diff --git a/src/backend/lib/bipartite_match.c b/src/backend/lib/bipartite_match.c
@@ -21,7 +21,8 @@
 
 #include "lib/bipartite_match.h"
 #include "miscadmin.h"
-#include "utils/palloc.h"
+#include "utils/builtins.h"
+
 
 static bool hk_breadth_search(BipartiteMatchState *state);
 static bool hk_depth_search(BipartiteMatchState *state, int u, int depth);
@@ -87,7 +88,7 @@ hk_breadth_search(BipartiteMatchState *state)
 	int			qtail = 0;		/* so don't have to worry about wrapping */
 	int			u;
 
-	distance[0] = INFINITY;
+	distance[0] = get_float4_infinity();
 
 	for (u = 1; u <= usize; ++u)
 	{
@@ -97,7 +98,7 @@ hk_breadth_search(BipartiteMatchState *state)
 			queue[qhead++] = u;
 		}
 		else
-			distance[u] = INFINITY;
+			distance[u] = get_float4_infinity();
 	}
 
 	while (qtail < qhead)
@@ -156,6 +157,6 @@ hk_depth_search(BipartiteMatchState *state, int u, int depth)
 		}
 	}
 
-	distance[u] = INFINITY;
+	distance[u] = get_float4_infinity();
 	return false;
 }

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,8 @@`
`21`	`21`
`22`	`22`	`#include "lib/bipartite_match.h"`
`23`	`23`	`#include "miscadmin.h"`
`24`		`-#include "utils/palloc.h"`
	`24`	`+#include "utils/builtins.h"`
	`25`	`+`
`25`	`26`
`26`	`27`	`static bool hk_breadth_search(BipartiteMatchState *state);`
`27`	`28`	`static bool hk_depth_search(BipartiteMatchState *state, int u, int depth);`
`@@ -87,7 +88,7 @@ hk_breadth_search(BipartiteMatchState *state)`
`87`	`88`	`int qtail = 0; /* so don't have to worry about wrapping */`
`88`	`89`	`int u;`
`89`	`90`
`90`		`- distance[0] = INFINITY;`
	`91`	`+ distance[0] = get_float4_infinity();`
`91`	`92`
`92`	`93`	`for (u = 1; u <= usize; ++u)`
`93`	`94`	`{`
`@@ -97,7 +98,7 @@ hk_breadth_search(BipartiteMatchState *state)`
`97`	`98`	`queue[qhead++] = u;`
`98`	`99`	`}`
`99`	`100`	`else`
`100`		`- distance[u] = INFINITY;`
	`101`	`+ distance[u] = get_float4_infinity();`
`101`	`102`	`}`
`102`	`103`
`103`	`104`	`while (qtail < qhead)`
`@@ -156,6 +157,6 @@ hk_depth_search(BipartiteMatchState *state, int u, int depth)`
`156`	`157`	`}`
`157`	`158`	`}`
`158`	`159`
`159`		`- distance[u] = INFINITY;`
	`160`	`+ distance[u] = get_float4_infinity();`
`160`	`161`	`return false;`
`161`	`162`	`}`