[lmi-commits] [lmi] master c6902b0d 19/22: Fix the defect just noted

[Greg Chicares]

branch: master
commit c6902b0d4d1cc8f78e54f333f4dce319bdfaa54d
Author: Gregory W. Chicares <gchicares@sbcglobal.net>
Commit: Gregory W. Chicares <gchicares@sbcglobal.net>

    Fix the defect just noted
    
    Now the desired test can be enabled, in the next commit.
---
 fdlibm_expm1.c | 21 ++++++++++-----------
 fdlibm_log1p.c | 21 ++++++++++-----------
 2 files changed, 20 insertions(+), 22 deletions(-)

diff --git a/fdlibm_expm1.c b/fdlibm_expm1.c
index 4b8be959..44e2a1f4 100644
--- a/fdlibm_expm1.c
+++ b/fdlibm_expm1.c
@@ -50,26 +50,25 @@
  * ====================================================
  */
 
-/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
-   but these catch some common cases. */
+#if !defined __FLOAT_WORD_ORDER__ || \
+    !defined __ORDER_BIG_ENDIAN__ || \
+    !defined __ORDER_LITTLE_ENDIAN__
+#error Expected ndianness macros not defined.
+#endif // expected endianness macros not defined
 
-#if defined(i386) || defined(i486) || \
-    defined(intel) || defined(x86) || defined(i86pc) || \
-    defined(__alpha) || defined(__osf__)
-#define __LITTLE_ENDIAN
-#endif // big endian
-
-#if defined __LITTLE_ENDIAN
+#if   __FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__
 #define FDLIBM_HI(x) *(1+(int*)&x)
 #define FDLIBM_LO(x) *(int*)&x
 #define FDLIBM_HIp(x) *(1+(int*)x)
 #define FDLIBM_LOp(x) *(int*)x
-#else  // !defined __LITTLE_ENDIAN
+#elif __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__
 #define FDLIBM_HI(x) *(int*)&x
 #define FDLIBM_LO(x) *(1+(int*)&x)
 #define FDLIBM_HIp(x) *(int*)x
 #define FDLIBM_LOp(x) *(1+(int*)x)
-#endif // !defined __LITTLE_ENDIAN
+#else  // unknown endianness
+#error Unknown endianness.
+#endif // unknown endianness
 
 #if defined __STDC__
 #define FDLIBM_PROTOTYPE(p) p
diff --git a/fdlibm_log1p.c b/fdlibm_log1p.c
index 47062032..3834aa50 100644
--- a/fdlibm_log1p.c
+++ b/fdlibm_log1p.c
@@ -48,26 +48,25 @@
  * ====================================================
  */
 
-/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
-   but these catch some common cases. */
+#if !defined __FLOAT_WORD_ORDER__ || \
+    !defined __ORDER_BIG_ENDIAN__ || \
+    !defined __ORDER_LITTLE_ENDIAN__
+#error Expected ndianness macros not defined.
+#endif // expected endianness macros not defined
 
-#if defined(i386) || defined(i486) || \
-    defined(intel) || defined(x86) || defined(i86pc) || \
-    defined(__alpha) || defined(__osf__)
-#define __LITTLE_ENDIAN
-#endif // big endian
-
-#if defined __LITTLE_ENDIAN
+#if   __FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__
 #define FDLIBM_HI(x) *(1+(int*)&x)
 #define FDLIBM_LO(x) *(int*)&x
 #define FDLIBM_HIp(x) *(1+(int*)x)
 #define FDLIBM_LOp(x) *(int*)x
-#else  // !defined __LITTLE_ENDIAN
+#elif __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__
 #define FDLIBM_HI(x) *(int*)&x
 #define FDLIBM_LO(x) *(1+(int*)&x)
 #define FDLIBM_HIp(x) *(int*)x
 #define FDLIBM_LOp(x) *(1+(int*)x)
-#endif // !defined __LITTLE_ENDIAN
+#else  // unknown endianness
+#error Unknown endianness.
+#endif // unknown endianness
 
 #if defined __STDC__
 #define FDLIBM_PROTOTYPE(p) p