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-rw-r--r--math/bits/mathcalls.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index a94707f..d23a013 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -171,10 +171,14 @@ __MATHCALL (floor,, (_Mdouble_ __x));
__MATHCALL (fmod,, (_Mdouble_ __x, _Mdouble_ __y));
+/* Return 0 if VALUE is finite or NaN, +1 if it
+ is +Infinity, -1 if it is -Infinity. */
+__MATHDECL_1 (int,__isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
+
#ifdef __USE_MISC
/* Return 0 if VALUE is finite or NaN, +1 if it
is +Infinity, -1 if it is -Infinity. */
-__MATHDECLX (int,isinf,, (_Mdouble_ __value), (__const__));
+__MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
/* Return nonzero if VALUE is finite and not NaN. */
__MATHDECLX (int,finite,, (_Mdouble_ __value), (__const__));
@@ -248,15 +252,17 @@ __MATHCALL (rint,, (_Mdouble_ __x));
/* Return X + epsilon if X < Y, X - epsilon if X > Y. */
__MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
-#ifdef __USE_ISOC9X
+# ifdef __USE_ISOC9X
__MATHCALLX (nextafterx,, (_Mdouble_ __x, long double __y), (__const__));
-#endif
+# endif
/* Return the remainder of integer divison X / Y with infinite precision. */
__MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y));
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
/* Return X times (2 to the Nth power). */
__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n));
+#endif
/* Return X times (2 to the Nth power). */
__MATHCALL (scalbn,, (_Mdouble_ __x, int __n));