From f05fdeb727a2fc8052900a159c225d328d603acc Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 5 Dec 2025 20:43:23 +0100 Subject: Second commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libj2_j2u_has_ju.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 libj2_j2u_has_ju.c (limited to 'libj2_j2u_has_ju.c') diff --git a/libj2_j2u_has_ju.c b/libj2_j2u_has_ju.c new file mode 100644 index 0000000..b531c50 --- /dev/null +++ b/libj2_j2u_has_ju.c @@ -0,0 +1,40 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifndef TEST + +extern inline int libj2_j2u_has_ju(const struct libj2_j2u *a, uintmax_t b); +/* TODO Add man page */ + + +#else + +int +main(void) +{ + struct libj2_j2u a; + uintmax_t h, i, j, b; + int expected; + + for (h = 0; h < 10; h++) { + a.high = h; + for (i = 0; i < 128; i++) { + a.low = i; + for (b = 0; b < 128; b++) { + expected = 1; + for (j = 0; j < LIBJ2_JU_BIT; j++) { + if (((b & ~a.low) >> j) & 1U) { + expected = 0; + break; + } + } + EXPECT(libj2_j2u_has_ju(&a, b) == expected); + EXPECT(a.high == h); + EXPECT(a.low == i); + } + } + } + + return 0; +} + +#endif -- cgit v1.2.3-70-g09d2