Add graph references

2026-06-28 13:49:01 +01:00
parent 0a9807e448
commit a11edf0c53
2578 changed files with 868045 additions and 0 deletions
@@ -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;
+	}