* [PATCH] use scalbn(3) instead of scalb(3)
@ 2016-08-19 8:58 Jun T.
0 siblings, 0 replies; only message in thread
From: Jun T. @ 2016-08-19 8:58 UTC (permalink / raw)
To: zsh-workers
scalb(3) is deprecated on some systems; scalbn(3) is the recommended
replacement. I guess virtually all the systems have scalbn(), but
added a check just in case.
diff --git a/Src/Modules/mathfunc.c b/Src/Modules/mathfunc.c
index 451b3cf..a7e8b29 100644
--- a/Src/Modules/mathfunc.c
+++ b/Src/Modules/mathfunc.c
@@ -411,7 +411,11 @@ math_func(char *name, int argc, mnumber *argv, int id)
break;
case MF_SCALB:
+#ifdef HAVE_SCALBN
+ retd = scalbn(argd, argi);
+#else
retd = scalb(argd, argi);
+#endif
break;
#ifdef HAVE_SIGNGAM
diff --git a/configure.ac b/configure.ac
index bac62a6..0e0bd53 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1305,6 +1305,7 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \
setlocale \
uname \
signgam tgamma \
+ scalbn \
putenv getenv setenv unsetenv xw\
brk sbrk \
pathconf sysconf \
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2016-08-19 8:58 [PATCH] use scalbn(3) instead of scalb(3) Jun T.
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