Document trailing slashing on path buildling paths

[unix-history] / usr / src / include / math.h

diff --git a/usr/src/include/math.h b/usr/src/include/math.h
index 58937bf..0460ab3 100644 (file)
--- a/usr/src/include/math.h
+++ b/usr/src/include/math.h
@@ -1,11 +1,82 @@
-/*     math.h  4.2     84/03/08        */
+/*
+ * Copyright (c) 1985 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ *
+ * All recipients should regard themselves as participants in an ongoing
+ * research project and hence should feel obligated to report their
+ * experiences (good or bad) with these elementary function codes, using
+ * the sendbug(8) program, to the authors.
+ *
+ *     @(#)math.h      5.3 (Berkeley) %G%
+ */

 
 

-extern double fabs(), floor(), ceil(), modf(), ldexp(), frexp();
-extern double sqrt(), hypot(), atof();
-extern double sin(), cos(), tan(), asin(), acos(), atan(), atan2();
-extern double exp(), log(), log10(), pow();
-extern double sinh(), cosh(), tanh();
-extern double gamma();
-extern double j0(), j1(), jn(), y0(), y1(), yn();
+#if defined(vax) || defined(tahoe)
+#define        HUGE_VAL        1.701411733192644270e38
+#else
+#define        HUGE_VAL        1e500   /* positive infinity */
+#endif

 
 

-#define HUGE   1.701411733192644270e38
+#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
+#define        HUGE            HUGE_VAL
+#endif
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+double acos __P((double));
+double asin __P((double));
+double atan __P((double));
+double atan2 __P((double, double));
+double ceil __P((double));
+double cos __P((double));
+double cosh __P((double));
+double exp __P((double));
+double fabs __P((double));
+double floor __P((double));
+double fmod __P((double, double));
+double frexp __P((double, int *));
+double ldexp __P((double, int));
+double log __P((double));
+double log10 __P((double));
+double modf __P((double, double *));
+double pow __P((double, double));
+double sin __P((double));
+double sinh __P((double));
+double sqrt __P((double));
+double tan __P((double));
+double tanh __P((double));
+
+#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
+double acosh __P((double));
+double asinh __P((double));
+double atanh __P((double));
+double cabs();         /* we can't describe cabs()'s argument properly */
+double cbrt __P((double));
+double copysign __P((double, double));
+double drem __P((double, double));
+double erf __P((double));
+double erfc __P((double));
+double expm1 __P((double));
+int    finite __P((double));
+double hypot __P((double, double));
+#if defined(vax) || defined(tahoe)
+double infnan __P((int));
+#else
+int    isnan __P((double));
+#endif
+double j0 __P((double));
+double j1 __P((double));
+double jn __P((int, double));
+double lgamma __P((double));
+double log1p __P((double));
+double logb __P((double));
+double rint __P((double));
+double scalb __P((double, int));
+double y0 __P((double));
+double y1 __P((double));
+double yn __P((int, double));
+#endif
+
+__END_DECLS