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| // RUN: %clang_cc1 -emit-llvm %s -o %t
/* Sparc is not C99-compliant */
#if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
int main() { return 0; }
#else /* sparc */
#define ESCAPE 2
#define IMAGE_WIDTH 150
#define IMAGE_HEIGHT 50
#if 1
#define IMAGE_SIZE 60
#else
#define IMAGE_SIZE 5000
#endif
#define START_X -2.1
#define END_X 1.0
#define START_Y -1.25
#define MAX_ITER 100
#define step_X ((END_X - START_X)/IMAGE_WIDTH)
#define step_Y ((-START_Y - START_Y)/IMAGE_HEIGHT)
#define I 1.0iF
int putchar(char c);
volatile double __complex__ accum;
void mandel() {
int x, y, n;
for (y = 0; y < IMAGE_HEIGHT; ++y) {
for (x = 0; x < IMAGE_WIDTH; ++x) {
double __complex__ c = (START_X+x*step_X) + (START_Y+y*step_Y) * I;
double __complex__ z = 0.0;
for (n = 0; n < MAX_ITER; ++n) {
z = z * z + c;
if (hypot(__real__ z, __imag__ z) >= ESCAPE)
break;
}
if (n == MAX_ITER)
putchar(' ');
else if (n > 6)
putchar('.');
else if (n > 3)
putchar('+');
else if (n > 2)
putchar('x');
else
putchar('*');
}
putchar('\n');
}
}
int main() {
mandel();
return 0;
}
#endif /* sparc */
|