diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_test_main.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_test_main.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_test_main.c b/src/gallium/drivers/llvmpipe/lp_test_main.c index 7bbbc61d4c..7a0d06ae2c 100644 --- a/src/gallium/drivers/llvmpipe/lp_test_main.c +++ b/src/gallium/drivers/llvmpipe/lp_test_main.c @@ -205,16 +205,19 @@ random_elem(struct lp_type type, void *dst, unsigned index) assert(index < type.length); value = (double)rand()/(double)RAND_MAX; if(!type.norm) { - unsigned long long mask; - if (type.floating) - mask = ~(unsigned long long)0; - else if (type.fixed) - mask = ((unsigned long long)1 << (type.width / 2)) - 1; - else if (type.sign) - mask = ((unsigned long long)1 << (type.width - 1)) - 1; - else - mask = ((unsigned long long)1 << type.width) - 1; - value += (double)(mask & rand()); + if (type.floating) { + value *= 2.0; + } + else { + unsigned long long mask; + if (type.fixed) + mask = ((unsigned long long)1 << (type.width / 2)) - 1; + else if (type.sign) + mask = ((unsigned long long)1 << (type.width - 1)) - 1; + else + mask = ((unsigned long long)1 << type.width) - 1; + value += (double)(mask & rand()); + } } if(!type.sign) if(rand() & 1) @@ -261,12 +264,18 @@ boolean compare_vec_with_eps(struct lp_type type, const void *res, const void *ref, double eps) { unsigned i; + eps *= type.floating ? 8.0 : 2.0; for (i = 0; i < type.length; ++i) { double res_elem = read_elem(type, res, i); double ref_elem = read_elem(type, ref, i); - double delta = fabs(res_elem - ref_elem); - if(delta >= 2.0*eps) + double delta = res_elem - ref_elem; + if (ref_elem < -1.0 || ref_elem > 1.0) { + delta /= ref_elem; + } + delta = fabs(delta); + if (delta >= eps) { return FALSE; + } } return TRUE; |