use #if LDBL_MANT_DIG == ... instead of custom LD80 etc macros

[libm] / src / math / truncl.c

diff --git a/src/math/truncl.c b/src/math/truncl.c
index 57b6489..d817e9a 100644 (file)
--- a/src/math/truncl.c
+++ b/src/math/truncl.c
@@ -20,12 +20,12 @@
 
 #include "libm.h"
 
-#if LD64
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
 long double truncl(long double x)
 {
        return trunc(x);
 }
-#elif LD80 || LD128
+#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 #ifdef LDBL_IMPLICIT_NBIT
 #define MANH_SIZE       (LDBL_MANH_SIZE + 1)
 #else