add directory gnu

gnu/glibc/glibc-1.05.tar/glibc-1.05/math/test-math.c

@@ -0,0 +1,83 @@
+#include <ansidecl.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+int
+DEFUN_VOID(main)
+{
+  CONST char str[] = "123.456";
+  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, exp(a*5.0), 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);
+
+  x = drem(-10.3435,6.2831852);
+
+  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);
+
+  printf("drem(10.3435,-6.2831852) = %g\n", x);
+
+
+  printf("x%8.6gx\n", .5);
+  printf("x%-8.6gx\n", .5);
+  printf("x%6.6gx\n", .5);
+
+  {
+    double x = atof ("-1e-17-");
+    printf ("%g %c= %g %s!\n",
+	    x,
+	    x == -1e-17 ? '=' : '!',
+	    -1e-17,
+	    x == -1e-17 ? "Worked" : "Failed");
+  }
+
+  return 0;
+}