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()6int 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()32void 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()60int main() { 61 mandel(); 62 return 0; 63 } 64 65 #endif /* sparc */ 66