From 374fbaf0a32634b9ebfed914b223efab083d6d12 Mon Sep 17 00:00:00 2001 From: Matthias Braun Date: Tue, 21 Aug 2007 13:24:27 +0000 Subject: [PATCH] make fehler68 deterministic [r15575] --- ir/be/test/fehler68.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/ir/be/test/fehler68.c b/ir/be/test/fehler68.c index 48b27e93b..5757e0bbb 100644 --- a/ir/be/test/fehler68.c +++ b/ir/be/test/fehler68.c @@ -29,6 +29,8 @@ main() float *aa = (float *) ca; float *ab = (float *) cb; + srand(0); + printf("Scalar product\n==============\n\n"); //printf("Array Position: %u, %u, %u, %u\n", a, b, aa, ba/*(unsigned int) &aa[0] % 16, (unsigned int) &ba[0] % 16*/); @@ -42,7 +44,6 @@ main() //printf("(%g * %g) + ", a[i], b[i]); } - //for(i = 0; i < max_elements - 4; i += 4) res = scalar_product(aa, ab, max_elements); printf("\nResult: %g\n", res); @@ -51,19 +52,15 @@ main() float scalar_product(float * a, float * b, unsigned int max_elements) { - float res; + float res = 0; int i; - /*for(i = 0; i < 4; i++) - { - a[i] = (float) (rand() % 10); - b[i] = (float) (rand() % 10); - - printf("(%g * %g) + ", a[i], b[i]); - }*/ - - for(i = 0; i < max_elements; i += 4) - res += a[i] * b[i] + a[i + 1] * b[i + 1] + a[i + 2] * b[i + 2] + a[i + 3] * b[i + 3]; + for(i = 0; i < max_elements; i += 4) { + res += a[i] * b[i]; + res += a[i + 1] * b[i + 1]; + res += a[i + 2] * b[i + 2]; + res += a[i + 3] * b[i + 3]; + } - return(res); + return res; } -- 2.20.1