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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 
      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 
     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 
     60 int main() {
     61   mandel();
     62   return 0;
     63 }
     64 
     65 #endif /* sparc */
     66