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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-02-10 05:31:26 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-02-10 05:31:26 +0000
commitc4cbbb4b4c32ca5e900cf1d276fa70595c34c5bd (patch)
tree1c9f00b9002b03bcf863e93a761d252b4cc0487f /Build/source/utils/pmx/pmx-src/libf2c/signbit.c
parentea9c1a801bdfb30bf6cec9b9261d37c52441e27b (diff)
pmx 2.7.3
git-svn-id: svn://tug.org/texlive/trunk@39654 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/pmx/pmx-src/libf2c/signbit.c')
-rw-r--r--Build/source/utils/pmx/pmx-src/libf2c/signbit.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-src/libf2c/signbit.c b/Build/source/utils/pmx/pmx-src/libf2c/signbit.c
new file mode 100644
index 00000000000..de95a3b70fd
--- /dev/null
+++ b/Build/source/utils/pmx/pmx-src/libf2c/signbit.c
@@ -0,0 +1,24 @@
+#include "arith.h"
+
+#ifndef Long
+#define Long long
+#endif
+
+ int
+#ifdef KR_headers
+signbit_f2c(x) double *x;
+#else
+signbit_f2c(double *x)
+#endif
+{
+#ifdef IEEE_MC68k
+ if (*(Long*)x & 0x80000000)
+ return 1;
+#else
+#ifdef IEEE_8087
+ if (((Long*)x)[1] & 0x80000000)
+ return 1;
+#endif /*IEEE_8087*/
+#endif /*IEEE_MC68k*/
+ return 0;
+ }