diff options
Diffstat (limited to 'math')
-rw-r--r-- | math/test-math.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/math/test-math.c b/math/test-math.c index a82daed..eece4b2 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); |