X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Fmath.h;h=4c46a055fbdd218d4747a025502b515643fce01b;hb=9fcecd7b34c66e9d0a2b000809e022a4f3e5e951;hp=677248287ae99470346db96e5d64926ed12b7645;hpb=e0037efc1253e190c7c75f74e5a05333fdd807bb;p=musl

diff --git a/include/math.h b/include/math.h
index 67724828..4c46a055 100644
--- a/include/math.h
+++ b/include/math.h
@@ -1,6 +1,12 @@
 #ifndef _MATH_H
 #define _MATH_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __NEED_float_t
+#define __NEED_double_t
 #define __NEED___uint16_t
 #define __NEED___uint32_t
 #define __NEED___uint64_t
@@ -46,7 +52,11 @@ int __fpclassifyl(long double);
 
 #define isunordered(x,y) (isnan((x)) ? ((y),1) : isnan((y)))
 
-static inline int __isrel(long double __x, long double __y, int __rel)
+static
+#if __STDC_VERSION__ >= 199901L
+inline
+#endif
+int __isrel(long double __x, long double __y, int __rel)
 {
 	if (isunordered(__x, __y)) return 0;
 	if (__rel==-2) return __x < __y;
@@ -317,4 +327,8 @@ extern int signgam;
 double      scalb(double, double);
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif