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-rw-r--r--math/test-math.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/math/test-math.c b/math/test-math.c
index a82daed4e4..eece4b2c1c 100644
--- a/math/test-math.c
+++ b/math/test-math.c
@@ -2,6 +2,8 @@
 #include <stdio.h>
 #include <math.h>
 #include <stdlib.h>
+#include <errno.h>
+#include <string.h>
 
 void print_trig_stuff __P ((void));
 
@@ -12,45 +14,45 @@ DEFUN_VOID(main)
   double x,h,li,lr,a,lrr;
 
   x = atof (str);
-	
+
   printf ("%g %g\n", x, pow (10.0, 3.0));
-  
+
   x = sinh(2.0);
-  
+
   printf("sinh(2.0) = %g\n", x);
-  
+
   x = sinh(3.0);
-  
+
   printf("sinh(3.0) = %g\n", x);
-  
+
   h = hypot(2.0,3.0);
-  
+
   printf("h=%g\n", h);
-  
+
   a = atan2(3.0, 2.0);
-  
+
   printf("atan2(3,2) = %g\n", a);
-  
+
   lr = pow(h,4.0);
-  
+
   printf("pow(%g,4.0) = %g\n", h, lr);
-  
+
   lrr = lr;
-  
+
   li = 4.0 * a;
-  
+
   lr = lr / exp(a*5.0);
-  
+
   printf("%g / exp(%g * 5) = %g\n", lrr, a, lr);
-  
+
   lrr = li;
-  
+
   li += 5.0 * log(h);
-  
+
   printf("%g + 5*log(%g) = %g\n", lrr, h, li);
-  
+
   printf("cos(%g) = %g,  sin(%g) = %g\n", li, cos(li), li, sin(li));
-  
+
   x = drem(10.3435,6.2831852);
 
   printf("drem(10.3435,6.2831852) = %g\n", x);
@@ -60,7 +62,7 @@ DEFUN_VOID(main)
   printf("drem(-10.3435,6.2831852) = %g\n", x);
 
   x = drem(-10.3435,-6.2831852);
-	
+
   printf("drem(-10.3435,-6.2831852) = %g\n", x);
 
   x = drem(10.3435,-6.2831852);