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New test.

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From-SVN: r34418
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Richard Henderson 2000-06-05 17:19:52 -07:00 committed by Richard Henderson
parent 16a8282ca1
commit fce8451d82
2 changed files with 52 additions and 0 deletions
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4
gcc/testsuite/ChangeLog
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2000-06-05 Richard Henderson <rth@cygnus.com>
* gcc.c-torture/execute/20000605-1.c: New test.
2000-06-05 Jakub Jelinek <jakub@redhat.com>
Nathan Sidwell <nathan@codesourcery.com>

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gcc/testsuite/gcc.c-torture/execute/20000605-1.c Normal file
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typedef struct _RenderInfo RenderInfo;
struct _RenderInfo
{
int y;
float scaley;
int src_y;
};
static void bar(void) { }
static int
render_image_rgb_a (RenderInfo * info)
{
int y, ye;
float error;
float step;
y = info->y;
ye = 256;
step = 1.0 / info->scaley;
error = y * step;
error -= ((int) error) - step;
for (; y < ye; y++) {
if (error >= 1.0) {
info->src_y += (int) error;
error -= (int) error;
bar();
}
error += step;
}
return info->src_y;
}
int main (void)
{
RenderInfo info;
info.y = 0;
info.src_y = 0;
info.scaley = 1.0;
if (render_image_rgb_a(&info) != 256)
abort ();
exit(0);
}