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-rw-r--r--clang/test/CodeGen/mandel.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/clang/test/CodeGen/mandel.c b/clang/test/CodeGen/mandel.c
new file mode 100644
index 0000000..8ecf8f2
--- /dev/null
+++ b/clang/test/CodeGen/mandel.c
@@ -0,0 +1,65 @@
+// 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 */