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authorAndrew Waterman <andrew@sifive.com>2022-10-17 13:51:59 -0700
committerAndrew Waterman <andrew@sifive.com>2022-10-17 13:51:59 -0700
commit68aeeb5500521ff52c216862f9a653b64191f3ad (patch)
tree407230ff48f79f177a792451598d9b2b6e3d34a0 /ci-tests/hello.c
parent191634d2854dfed448fc323195f9b65c305e2d77 (diff)
parent03be4ae6c7b8e9865083b61427ff9724c7706fcf (diff)
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Merge branch 'master' into plic_uart_v1plic_uart_v1
Diffstat (limited to 'ci-tests/hello.c')
-rw-r--r--ci-tests/hello.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/ci-tests/hello.c b/ci-tests/hello.c
new file mode 100644
index 0000000..cf10e80
--- /dev/null
+++ b/ci-tests/hello.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+int main()
+{
+ // As a simple benchmark, estimate pi
+ int n = 16384, misses = 0;
+
+ for (int i = 0; i < n; i++) {
+
+ for (int j = 0; j < n; j++) {
+ int x = i - (n / 2);
+ int y = j - (n / 2);
+
+ misses += (x * x + y * y >= (n / 2) * (n / 2));
+ }
+ }
+
+ double pi = 4.0 * (n * n - misses) / (n * n);
+
+ printf("Hello, world! Pi is approximately %f.\n", pi);
+
+ return 0;
+}