diff options
| author | Keith Packard <keithp@keithp.com> | 2013-05-22 17:08:55 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-08-25 22:24:01 -0700 |
| commit | 5ccd902d0fd2adc40c72982babb60fac4da6a087 (patch) | |
| tree | 1316443d33623b6cf7c82c3688bd3cfcdb0412c8 /src/test/ao_int64_test.c | |
| parent | f7602ae566a5cbf2d2cbb1d68bad7e2d1177a33a (diff) | |
altos: Add 64x64 multiply. Test 64 ops for dest same as either source
The test change is to ensure that the destination may be one of the 64
bit sources.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/test/ao_int64_test.c')
| -rw-r--r-- | src/test/ao_int64_test.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/src/test/ao_int64_test.c b/src/test/ao_int64_test.c index 67ba6ec5..4c88b1a1 100644 --- a/src/test/ao_int64_test.c +++ b/src/test/ao_int64_test.c @@ -22,17 +22,35 @@ int errors; -#define test(op,func,a,b,ao_a,ao_b) do { \ +#define test_o(op,func,mod,a,b,ao_a,ao_b) do { \ r = (a) op (b); \ func(&ao_r, ao_a, ao_b); \ c = ao_cast64(&ao_r); \ if (c != r) { \ - printf ("trial %4d: %lld " #func " %lld = %lld (should be %lld)\n", \ + printf ("trial %4d: %lld " #func mod " %lld = %lld (should be %lld)\n", \ trial, (int64_t) (a), (int64_t) b, c, r); \ ++errors; \ } \ } while (0) +#define test(op,func,a,b,ao_a,ao_b) test_o(op,func,"",a,b,ao_a,ao_b) + +#define test_a(op,func,a,b,ao_a,ao_b) do { \ + ao_r = *ao_a; \ + test_o(op,func,"_a",a,b,&ao_r,ao_b); \ + } while (0) + +#define test_b(op,func,a,b,ao_a,ao_b) do { \ + ao_r = *ao_b; \ + test_o(op,func,"_b",a,b,ao_a,&ao_r); \ + } while (0) + +#define test_x(op,func,a,b,ao_a,ao_b) do { \ + ao_r = *ao_a; \ + test_o(op,func,"_xa",a,a,&ao_r,&ao_r); \ + ao_r = *ao_b; \ + test_o(op,func,"_xb",b,b,&ao_r,&ao_r); \ + } while (0) void do_test(int trial, int64_t a, int64_t b) @@ -44,10 +62,20 @@ do_test(int trial, int64_t a, int64_t b) ao_int64_init64(&ao_b, b >> 32, b); test(+, ao_plus64, a, b, &ao_a, &ao_b); - test(*, ao_mul64,(int64_t) (int32_t) a, (int32_t) b, (int32_t) a, (int32_t) b); + test_a(+, ao_plus64, a, b, &ao_a, &ao_b); + test_b(+, ao_plus64, a, b, &ao_a, &ao_b); + test_x(+, ao_plus64, a, b, &ao_a, &ao_b); + test(*, ao_mul64_32_32,(int64_t) (int32_t) a, (int32_t) b, (int32_t) a, (int32_t) b); + test(*, ao_mul64, a, b, &ao_a, &ao_b); + test_a(*, ao_mul64, a, b, &ao_a, &ao_b); + test_b(*, ao_mul64, a, b, &ao_a, &ao_b); + test_x(*, ao_mul64, a, b, &ao_a, &ao_b); + test(*, ao_mul64_64_16, a, (uint16_t) b, &ao_a, (uint16_t) b); + test_a(*, ao_mul64_64_16, a, (uint16_t) b, &ao_a, (uint16_t) b); test(>>, ao_rshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f); + test_a(>>, ao_rshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f); test(<<, ao_lshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f); - test(*, ao_mul64_16, a, (uint16_t) b, &ao_a, (uint16_t) b); + test_a(<<, ao_lshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f); } #define TESTS 10000000 |