fzy

commit 1b6427479f1688189c346c7a8d1dfe66648b1fba
parent c678f8e41355a29c728dd30a4a569924e9e211e5
Author: John Hawthorn <john.hawthorn@gmail.com>
Date:   Sat, 26 Jul 2014 19:59:27 -0700

Better values for SCORE_{MIN,MAX}

SCORE_MAX is now defined as DBL_MAX
SCORE_MIN is now defined as -DBL_MAX

Diffstat:
M
match.c
 | 
9
+++++----

1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/match.c b/match.c
@@ -2,11 +2,10 @@
 #include <string.h>
 #include <strings.h>
 #include <stdio.h>
+#include <float.h>
 
 #include "fzy.h"
 
-#define SCORE_MIN -1
-
 int has_match(const char *needle, const char *haystack){
 	while(*needle){
 		if(!*haystack)
@@ -31,6 +30,8 @@ void mat_print(int *mat, int n, int m){
 
 #define max(a, b) (((a) > (b)) ? (a) : (b))
 typedef int score_t;
+#define SCORE_MAX DBL_MAX
+#define SCORE_MIN -DBL_MAX
 
 double calculate_score(const char *needle, const char *haystack, size_t *positions){
 	if(!*haystack || !*needle)
@@ -114,7 +115,7 @@ double calculate_score(const char *needle, const char *haystack, size_t *positio
 
 double match_positions(const char *needle, const char *haystack, size_t *positions){
 	if(!*needle){
-		return 1.0;
+		return SCORE_MAX;
 	}else if(!has_match(needle, haystack)){
 		return SCORE_MIN;
 	}else if(!strcasecmp(needle, haystack)){
@@ -123,7 +124,7 @@ double match_positions(const char *needle, const char *haystack, size_t *positio
 			for(int i = 0; i < n; i++)
 				positions[i] = i;
 		}
-		return 1.0;
+		return SCORE_MAX;
 	}else{
 		return calculate_score(needle, haystack, positions);
 	}