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translate_test: fix compilation on non-POSIX platforms

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Use a kludgy function based on rand() instead of drand48()
This commit is contained in:
Luca Barbieri 2010-08-12 22:07:37 +02:00
parent 4d946c4e8a
commit b9abe7f62c
1 changed files with 19 additions and 5 deletions
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24
src/gallium/tests/unit/translate_test.c
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@ -30,6 +30,20 @@
#include <util/u_cpu_detect.h>
#include <rtasm/rtasm_cpu.h>
/* don't use this for serious use */
static double rand_double()
{
const double rm = (double)RAND_MAX + 1;
double div = 1;
double v = 0;
for(unsigned i = 0; i < 4; ++i)
{
div *= rm;
v += (double)rand() / div;
}
return v;
}
int main(int argc, char** argv)
{
struct translate *(*create_fn)(const struct translate_key *key) = 0;
@ -129,17 +143,17 @@ int main(int argc, char** argv)
key.element[0].type = TRANSLATE_ELEMENT_NORMAL;
key.element[0].instance_divisor = 0;
srand48(4359025);
srand(4359025);
/* avoid negative values that work badly when converted to unsigned format*/
for (i = 0; i < buffer_size / sizeof(unsigned); ++i)
((unsigned*)byte_buffer)[i] = mrand48() & 0x7f7f7f7f;
for (i = 0; i < buffer_size; ++i)
byte_buffer[i] = rand() & 0x7f7f7f7f;
for (i = 0; i < buffer_size / sizeof(float); ++i)
float_buffer[i] = (float)drand48();
float_buffer[i] = (float)rand_double();
for (i = 0; i < buffer_size / sizeof(double); ++i)
double_buffer[i] = drand48();
double_buffer[i] = rand_double();
for (output_format = 1; output_format < PIPE_FORMAT_COUNT; ++output_format)
{