1 files changed, 19 insertions, 23 deletions
diff --git a/contrib/libf2c/libF77/z_sqrt.c b/contrib/libf2c/libF77/z_sqrt.c
index c04e8f0..954c2fa 100644
--- a/contrib/libf2c/libF77/z_sqrt.c
+++ b/contrib/libf2c/libF77/z_sqrt.c
@@ -1,29 +1,25 @@
 #include "f2c.h"
 
-#ifdef KR_headers
-double sqrt(), f__cabs();
-VOID z_sqrt(r, z) doublecomplex *r, *z;
-#else
 #undef abs
 #include "math.h"
-extern double f__cabs(double, double);
-void z_sqrt(doublecomplex *r, doublecomplex *z)
-#endif
+extern double f__cabs (double, double);
+void
+z_sqrt (doublecomplex * r, doublecomplex * z)
 {
-	double mag, zi = z->i, zr = z->r;
+  double mag, zi = z->i, zr = z->r;
 
-	if( (mag = f__cabs(zr, zi)) == 0.)
-		r->r = r->i = 0.;
-	else if(zr > 0)
-		{
-		r->r = sqrt(0.5 * (mag + zr) );
-		r->i = zi / r->r / 2;
-		}
-	else
-		{
-		r->i = sqrt(0.5 * (mag - zr) );
-		if(zi < 0)
-			r->i = - r->i;
-		r->r = zi / r->i / 2;
-		}
-	}
+  if ((mag = f__cabs (zr, zi)) == 0.)
+    r->r = r->i = 0.;
+  else if (zr > 0)
+    {
+      r->r = sqrt (0.5 * (mag + zr));
+      r->i = zi / r->r / 2;
+    }
+  else
+    {
+      r->i = sqrt (0.5 * (mag - zr));
+      if (zi < 0)
+	r->i = -r->i;
+      r->r = zi / r->i / 2;
+    }
+}