diff options
author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-10-24 20:22:12 +0200 |
---|---|---|
committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-10-24 20:22:12 +0200 |
commit | 7988979a722b4cdf287b2093956a76a3f19b9897 (patch) | |
tree | d35e251d0472ceca55a2eef61cff261c8ee68fab /test/math/rint.c |
add uClibc-ng test directory
Diffstat (limited to 'test/math/rint.c')
-rw-r--r-- | test/math/rint.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/math/rint.c b/test/math/rint.c new file mode 100644 index 0000000..b595459 --- /dev/null +++ b/test/math/rint.c @@ -0,0 +1,33 @@ +#include <math.h> +#include <float.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> + +#define check_d1(func, param, expected) \ +do { \ + int err; hex_union ur; hex_union up; \ + double result = func(param); up.f = param; ur.f = result; \ + errors += (err = (result != (expected))); \ + err \ + ? printf("FAIL: %s(%g/"HEXFMT")=%g/"HEXFMT" (expected %g)\n", \ + #func, (double)(param), (long long)up.hex, result, (long long)ur.hex, (double)(expected)) \ + : printf("PASS: %s(%g)=%g\n", #func, (double)(param), result); \ +} while (0) + +#define HEXFMT "%08llx" +typedef union { + double f; + uint64_t hex; +} hex_union; +double result; + +int errors = 0; + +int main(void) +{ + check_d1(rint, 0.6, 1.0); + + printf("Errors: %d\n", errors); + return errors; +} |