X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=tests%2Fxor.qc;h=fc3a4b5a89614e71b91119009c796c38b09ae9da;hp=41d02e95ee366a80a48fdb96975ed55d9a9d9267;hb=641136fee3e2f589f93ad6a7b3213b0247107303;hpb=5d2b57394efd1eb641403efb540411ed5d087124 diff --git a/tests/xor.qc b/tests/xor.qc index 41d02e9..fc3a4b5 100644 --- a/tests/xor.qc +++ b/tests/xor.qc @@ -3,50 +3,75 @@ vector swap(float x, float y) { // everyone knows this trick ret.x = x; ret.y = y; - + ret.x = ret.x ^ ret.y; ret.y = ret.y ^ ret.x; ret.x = ret.x ^ ret.y; - + return ret; } +float f(vector b) { + return b.x+b.y+b.z; +} + void main() { float x = 5; float y = 3; float z = x ^ y; // 6 - + float a = 2; float b = 10; float c = a ^ b; // 8 - + print(ftos(z), "\n"); print(ftos(c), "\n"); - + // commutative? if (x ^ y == y ^ x) print("commutative\n"); - + // assocative? if (x ^ (y ^ z) == (x ^ y) ^ z) print("assocative\n"); - + // elements are their own inverse? if (x ^ 0 == x) print("inverse\n"); - + // vector ^ vector // vector ^ float // are legal in constant expressions (currently) + vector v1 = '5 2 5'; + vector v2 = '3 10 3'; + + print("vv: ", vtos(v1 ^ v2), "\n"); + print("vf: ", vtos(v1 ^ 10), "\n"); + const vector v3 = '5 2 5' ^ '3 10 3'; const vector v4 = '5 2 5' ^ 10; - + print("vv: ", vtos(v3), "\n"); print("vf: ", vtos(v4), "\n"); - + // good olde xor swap test too float swap_x = 100; float swap_y = 200; vector swaps = swap(swap_x, swap_y); print("100:200 swapped is: ", ftos(swaps.x), ":", ftos(swaps.y), "\n"); + + // good olde xor swap test too + vector swap_u = '1 2 3'; + vector swap_v = '4 5 6'; + swap_u ^= swap_v; + swap_v ^= swap_u; + swap_u ^= swap_v; + print("'1 2 3':'4 5 6' swapped is: ", vtos(swap_u), ":", vtos(swap_v), "\n"); + + // the one that showed us overlap bugs + print(vtos('1 2 3' ^ f('3 2 1') ^ f('1 1 1')), "\n"); + print(vtos('1 2 3' ^ f('3 2 1') ^ 3), "\n"); + print(vtos('1 2 3' ^ 6 ^ 3), "\n"); + print(vtos('1 2 3' ^ 6 ^ f('1 1 1')), "\n"); + print(vtos('1 2 3' ^ 5), "\n"); }