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Diffstat (limited to 'Build/source/utils/pmx/pmx-2.6.18/libf2c/signbit.c')
-rw-r--r--Build/source/utils/pmx/pmx-2.6.18/libf2c/signbit.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-2.6.18/libf2c/signbit.c b/Build/source/utils/pmx/pmx-2.6.18/libf2c/signbit.c
new file mode 100644
index 00000000000..de95a3b70fd
--- /dev/null
+++ b/Build/source/utils/pmx/pmx-2.6.18/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;
+ }