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-rw-r--r--include/ruby/missing.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h
index 68a90aeb96..dc3fd502b5 100644
--- a/include/ruby/missing.h
+++ b/include/ruby/missing.h
@@ -136,7 +136,7 @@ RUBY_EXTERN double lgamma_r(double, int *);
RUBY_EXTERN double cbrt(double);
#endif
-#if !defined(HAVE_INFINITY) || !defined(HAVE_NAN)
+#if !defined(INFINITY) || !defined(NAN)
union bytesequence4_or_float {
unsigned char bytesequence[4];
float float_value;
@@ -147,12 +147,14 @@ union bytesequence4_or_float {
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_infinity;
# define INFINITY (rb_infinity.float_value)
+# define USE_RB_INFINITY 1
#endif
#ifndef NAN
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_nan;
# define NAN (rb_nan.float_value)
+# define USE_RB_NAN 1
#endif
#ifndef HUGE_VAL