From 57bd3bb346c21bc0742902a2c116644bb4f85165 Mon Sep 17 00:00:00 2001 From: uz Date: Tue, 11 Jan 2011 17:19:16 +0000 Subject: [PATCH] Added a test program for division and modulo operation. git-svn-id: svn://svn.cc65.org/cc65/trunk@4906 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- testcode/lib/moddiv-test.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 testcode/lib/moddiv-test.c diff --git a/testcode/lib/moddiv-test.c b/testcode/lib/moddiv-test.c new file mode 100644 index 000000000..b8ea19d91 --- /dev/null +++ b/testcode/lib/moddiv-test.c @@ -0,0 +1,36 @@ +#include +#include + +int main (void) +{ + int a, b; + int div, mod; + + printf ("Please note that this program does an\n" + "exhaustive test for the division and\n" + "modulo operation and therefore runs for\n" + "almost ever. On my box, it's nearly two\n" + "days in warp mode of VICE.\n\n"); + + a = 0; + do { + b = 1; + do { + div = a / b; + mod = a % b; + if (div * b + mod != a) { + printf ("Found problems:\n" + " Result of %u / %u is %u\n" + " Result of %u %% %u is %u\n", + a, b, div, a, b, mod); + return EXIT_FAILURE; + } + ++b; + } while (b != 0); + if ((a & 0xFF) == 0) { + printf ("%5u ", a); + } + ++a; + } while (a != 0); + return EXIT_SUCCESS; +} -- 2.39.5