diff options
author | Andrew Waterman <andrew@sifive.com> | 2022-10-17 13:51:59 -0700 |
---|---|---|
committer | Andrew Waterman <andrew@sifive.com> | 2022-10-17 13:51:59 -0700 |
commit | 68aeeb5500521ff52c216862f9a653b64191f3ad (patch) | |
tree | 407230ff48f79f177a792451598d9b2b6e3d34a0 /ci-tests/hello.c | |
parent | 191634d2854dfed448fc323195f9b65c305e2d77 (diff) | |
parent | 03be4ae6c7b8e9865083b61427ff9724c7706fcf (diff) | |
download | spike-68aeeb5500521ff52c216862f9a653b64191f3ad.zip spike-68aeeb5500521ff52c216862f9a653b64191f3ad.tar.gz spike-68aeeb5500521ff52c216862f9a653b64191f3ad.tar.bz2 |
Merge branch 'master' into plic_uart_v1plic_uart_v1
Diffstat (limited to 'ci-tests/hello.c')
-rw-r--r-- | ci-tests/hello.c | 23 |
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; +} |