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1 // RUN: %clang_cc1 -emit-llvm %s -o %t
2 
3 /* Sparc is not C99-compliant */
4 #if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
5 
main()6 int main() { return 0; }
7 
8 #else /* sparc */
9 
10 #define ESCAPE 2
11 #define IMAGE_WIDTH 150
12 #define IMAGE_HEIGHT 50
13 #if 1
14 #define IMAGE_SIZE 60
15 #else
16 #define IMAGE_SIZE 5000
17 #endif
18 #define START_X -2.1
19 #define END_X 1.0
20 #define START_Y -1.25
21 #define MAX_ITER 100
22 
23 #define step_X ((END_X - START_X)/IMAGE_WIDTH)
24 #define step_Y ((-START_Y - START_Y)/IMAGE_HEIGHT)
25 
26 #define I 1.0iF
27 
28 int putchar(char c);
29 
30 volatile double __complex__ accum;
31 
mandel()32 void mandel() {
33   int x, y, n;
34   for (y = 0; y < IMAGE_HEIGHT; ++y) {
35     for (x = 0; x < IMAGE_WIDTH; ++x) {
36       double __complex__ c = (START_X+x*step_X) + (START_Y+y*step_Y) * I;
37       double __complex__ z = 0.0;
38 
39       for (n = 0; n < MAX_ITER; ++n) {
40         z = z * z + c;
41         if (hypot(__real__ z, __imag__ z) >= ESCAPE)
42           break;
43       }
44 
45       if (n == MAX_ITER)
46         putchar(' ');
47       else if (n > 6)
48         putchar('.');
49       else if (n > 3)
50         putchar('+');
51       else if (n > 2)
52         putchar('x');
53       else
54         putchar('*');
55     }
56     putchar('\n');
57   }
58 }
59 
main()60 int main() {
61   mandel();
62   return 0;
63 }
64 
65 #endif /* sparc */
66