$s = exp(1);
is(substr($s,0,7), '2.71828');
-ok(exp(log(1)) == 1);
+cmp_ok(exp(log(1)), '==', 1);
# run time evaluation
$s = exp($x1);
is(substr($s,0,7), '2.71828');
-ok(exp(log($x1)) == 1);
+cmp_ok(exp(log($x1)), '==', 1);
# tests for transcendental functions
}
# sin() tests
-ok(sin(0) == 0.0);
-ok(round(sin($pi)) == 0.0);
-ok(round(sin(-1 * $pi)) == 0.0);
-ok(round(sin($pi_2)) == 1.0);
-ok(round(sin(-1 * $pi_2)) == -1.0);
+cmp_ok(sin(0), '==', 0.0);
+cmp_ok(round(sin($pi)), '==', 0.0);
+cmp_ok(round(sin(-1 * $pi)), '==', 0.0);
+cmp_ok(round(sin($pi_2)), '==', 1.0);
+cmp_ok(round(sin(-1 * $pi_2)), '==', -1.0);
# cos() tests
-ok(cos(0) == 1.0);
-ok(round(cos($pi)) == -1.0);
-ok(round(cos(-1 * $pi)) == -1.0);
-ok(round(cos($pi_2)) == 0.0);
-ok(round(cos(-1 * $pi_2)) == 0.0);
+cmp_ok(cos(0), '==', 1.0);
+cmp_ok(round(cos($pi)), '==', -1.0);
+cmp_ok(round(cos(-1 * $pi)), '==', -1.0);
+cmp_ok(round(cos($pi_2)), '==', 0.0);
+cmp_ok(round(cos(-1 * $pi_2)), '==', 0.0);
# atan2() tests
-ok(round(atan2(-0.0, 0.0)) == 0);
-ok(round(atan2(0.0, 0.0)) == 0);
-ok(round(atan2(-0.0, -0.0)) == round(-1 * $pi));
-ok(round(atan2(0.0, -0.0)) == round($pi));
-ok(round(atan2(-1.0, 0.0)) == round(-1 * $pi_2));
-ok(round(atan2(1.0, 0.0)) == round($pi_2));
+cmp_ok(round(atan2(-0.0, 0.0)), '==', 0);
+cmp_ok(round(atan2(0.0, 0.0)), '==', 0);
+cmp_ok(round(atan2(-0.0, -0.0)), '==', round(-1 * $pi));
+cmp_ok(round(atan2(0.0, -0.0)), '==', round($pi));
+cmp_ok(round(atan2(-1.0, 0.0)), '==', round(-1 * $pi_2));
+cmp_ok(round(atan2(1.0, 0.0)), '==', round($pi_2));