update editorconfig, enforce via CI (#1343)

* update editorconfig to set unix-style newlines and trim whitespace

* add editorconfig github action to the CI

* fix whitespace

extra/gemm/amx.py

@@ -56,7 +56,7 @@ bufs = [c,a,b]
 module = ir.Module(name=__file__)
 func = ir.Function(module, ir.FunctionType(ir.IntType(64), [ir.FloatType().as_pointer()]*3), name='exec')
 
-# load all 
+# load all
 entry = ir.IRBuilder(func.append_basic_block(name="entry"))
 zm, xm, ym = [entry.ptrtoint(func.args[i], ir.IntType(64)) for i in range(3)]
 

extra/gemm/gemm.c

@@ -135,7 +135,7 @@ int main() {
   for (int i = 0; i < 4000; i++) {
     memset(C, 0, N*N*sizeof(float));
 
-#if NTHREADS != 1 
+#if NTHREADS != 1
     nready = 0;
     ndone = 0;
     pthread_mutex_lock(&lock);
@@ -147,7 +147,7 @@ int main() {
 #endif
 
     uint64_t start = nanos();
-#if NTHREADS == 1 
+#if NTHREADS == 1
     matmul(0, N);
 #else
     // unlocking mutex starts threads
@@ -156,7 +156,7 @@ int main() {
 #endif
     uint64_t end = nanos();
 
-#if NTHREADS != 1 
+#if NTHREADS != 1
     for (int j = 0; j < NTHREADS; j++) {
       pthread_join(threads[j], NULL);
     }

extra/gemm/gemm.py

@@ -21,7 +21,7 @@ if __name__ == "__main__":
     et = time.monotonic()
     s = et-st
     print(f"{flop/s * 1e-9:.2f} GFLOP/S, {s*1e3:.2f} ms")
-  
+
   with open("/tmp/matmul", "wb") as f:
     f.write(A.data)
     f.write(B.data)