X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=t%2Fieee754.c;h=b652639417b1ea9be484f7af7927c16a86913246;hb=fec50baf6d79336cd3ddbefdc46374f2858568e2;hp=3898ab74c1afe5b65834c3500bda72d730d20df3;hpb=b0df7176176935b4d39fd196ad35f046bbe10333;p=fio.git

diff --git a/t/ieee754.c b/t/ieee754.c
index 3898ab74..b6526394 100644
--- a/t/ieee754.c
+++ b/t/ieee754.c
@@ -1,21 +1,26 @@
 #include <stdio.h>
 #include "../lib/ieee754.h"
 
-static double values[] = { -17.23, 17.23, 123.4567, 98765.4321, 0.0 };
+static double values[] = { -17.23, 17.23, 123.4567, 98765.4321,
+	3.14159265358979323, 0.0 };
 
 int main(int argc, char *argv[])
 {
 	uint64_t i;
-	double f;
-	int j;
+	double f, delta;
+	int j, differences = 0;
 
 	j = 0;
 	do {
 		i = fio_double_to_uint64(values[j]);
 		f = fio_uint64_to_double(i);
-		printf("%f -> %f\n", values[j], f);
+		delta = values[j] - f;
+		printf("%26.20lf -> %26.20lf, delta = %26.20lf\n", values[j],
+			f, delta);
+		if (f != values[j])
+			differences++;
 		j++;
 	} while (values[j] != 0.0);
 
-	return 0;
+	return differences;
 }