* math.c (math_gamma): rename NGAMMA_TABLE to NFACT_TABLE.

  specify the size of the fact_table.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49970 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/math.c b/math.c
index b4cdeef429..011581a604 100644
--- a/math.c
+++ b/math.c
@@ -836,12 +836,12 @@ mingw_tgamma(const double d)
  *
  */
 
-#define NGAMMA_TABLE 23
+#define NFACT_TABLE 23
 
 static VALUE
 math_gamma(VALUE obj, VALUE x)
 {
-    static const double fact_table[] = {
+    static const double fact_table[NFACT_TABLE] = {
         /* fact(0) */ 1.0,
         /* fact(1) */ 1.0,
         /* fact(2) */ 2.0,
@@ -875,7 +875,7 @@ math_gamma(VALUE obj, VALUE x)
     if (isinf(d) && signbit(d)) domain_error("gamma");
     if (d == floor(d)) {
 	if (d < 0.0) domain_error("gamma");
-	if (1.0 <= d && d <= (double)NGAMMA_TABLE) {
+	if (1.0 <= d && d <= (double)NFACT_TABLE) {
 	    return DBL2NUM(fact_table[(int)d - 1]);
 	}
     }