diff --git a/programs/test.c b/programs/test.c
index 2dfa9e1..1b7dcc2 100644
--- a/programs/test.c
+++ b/programs/test.c
@@ -1,6 +1,13 @@
+/*
+  Some basic tests for small3dlib.
+
+  author: Miloslav Ciz
+  license: CC0 1.0
+*/
+
 #include <stdio.h>
 #define S3L_PIXEL_FUNCTION pixelFunc
-#include "s3l.h"
+#include "../small3dlib.h"
 
 #define TEST_BUFFER_W 16
 #define TEST_BUFFER_H 16
@@ -26,12 +33,17 @@ uint16_t testTriangleRasterization(
 
   S3L_DrawConfig conf;
 
-  conf.backfaceCulling = S3L_BACKFACE_CULLING_NONE;
-  conf.mode = S3L_MODE_TRIANGLES;
+  conf.backfaceCulling = 0;
 
   memset(testRaster,0,TEST_BUFFER_W * TEST_BUFFER_H);
 
-  S3L_drawTriangle(x0,y0,x1,y1,x2,y2,conf,0);
+  S3L_Vec4 p0, p1, p2;
+
+  S3L_setVec4(&p0,x0,y0,1000,0);
+  S3L_setVec4(&p1,x1,y1,1000,0);
+  S3L_setVec4(&p2,x2,y2,1000,0);
+
+  S3L_drawTriangle(p0,p1,p2,0,0);
   
   printf("     0123456789ABCDEF\n");
 
@@ -224,11 +236,6 @@ uint16_t testRasterization()
 
   printf("cover test (each pixel should be covered exactly once):\n\n");
 
-  S3L_DrawConfig conf;
-
-  conf.backfaceCulling = S3L_BACKFACE_CULLING_NONE;
-  conf.mode = S3L_MODE_TRIANGLES;
-
   S3L_ScreenCoord coords[] =
   {
     0,0,
@@ -254,36 +261,44 @@ uint16_t testRasterization()
 
   memset(testRaster,0,TEST_BUFFER_W * TEST_BUFFER_H);
 
-  #define dt(i1,i2,i3) S3L_drawTriangle(coords[2*i1],coords[2*i1 + 1],coords[2*i2],coords[2*i2+1],coords[2*i3],coords[2*i3+1],conf,0)
-  dt(0,1,6);    // 0
-  dt(1,2,5);    // 1
-  dt(2,4,5);    // 2
-  dt(2,3,4);    // 3
-  dt(0,6,9);    // 4
-  dt(1,10,6);   // 5
-  dt(1,5,10);   // 6
-  dt(5,4,8);    // 7
-  dt(4,3,8);    // 8
-  dt(9,6,10);   // 9
-  dt(10,5,12);  // 10
-  dt(5,7,12);   // 11
-  dt(5,7,11);   // 12
-  dt(5,8,11);   // 13
-  dt(8,3,18);   // 14
-  dt(9,10,13);  // 15
-  dt(10,12,13); // 16
-  dt(12,7,11);  // 17
-  dt(11,8,18);  // 18
-  dt(9,13,17);  // 19
-  dt(13,12,14); // 20
-  dt(12,11,14); // 21
-  dt(11,14,15); // 22
-  dt(15,11,18); // 23
-  dt(13,14,16); // 24
-  dt(14,15,16); // 25
-  dt(17,13,16); // 26
-  dt(16,15,18); // 27
-  dt(16,17,18); // 28
+  #define dt(i1,i2,i3)\
+  {\
+    S3L_Vec4 p0, p1, p2;\
+    S3L_setVec4(&p0,coords[2*i1],coords[2*i1 + 1],1000,0);\
+    S3L_setVec4(&p1,coords[2*i2],coords[2*i2+1],1000,0);\
+    S3L_setVec4(&p2,coords[2*i3],coords[2*i3+1],1000,0);\
+    S3L_drawTriangle(p0,p1,p2,0,0);\
+  }
+
+  dt(0,1,6)    // 0
+  dt(1,2,5)    // 1
+  dt(2,4,5)    // 2
+  dt(2,3,4)    // 3
+  dt(0,6,9)    // 4
+  dt(1,10,6)   // 5
+  dt(1,5,10)   // 6
+  dt(5,4,8)    // 7
+  dt(4,3,8)    // 8
+  dt(9,6,10)   // 9
+  dt(10,5,12)  // 10
+  dt(5,7,12)   // 11
+  dt(5,7,11)   // 12
+  dt(5,8,11)   // 13
+  dt(8,3,18)   // 14
+  dt(9,10,13)  // 15
+  dt(10,12,13) // 16
+  dt(12,7,11)  // 17
+  dt(11,8,18)  // 18
+  dt(9,13,17)  // 19
+  dt(13,12,14) // 20
+  dt(12,11,14) // 21
+  dt(11,14,15) // 22
+  dt(15,11,18) // 23
+  dt(13,14,16) // 24
+  dt(14,15,16) // 25
+  dt(17,13,16) // 26
+  dt(16,15,18) // 27
+  dt(16,17,18) // 28
 
   // extra empty triangles
   dt(12,12,12);
@@ -327,20 +342,20 @@ int main()
   S3L_Vec4 v;
 
   S3L_initMat4(&m);
-  S3L_writeMat4(m);
+  S3L_logMat4(m);
 
   S3L_initVec4(&v);
 
-  S3L_writeVec4(v);
+  S3L_logVec4(v);
  
   S3L_vec4Xmat4(&v,&m); 
-  S3L_writeVec4(v);
+  S3L_logVec4(v);
 
   S3L_makeTranslationMat(100,200,300,&m2);
-  S3L_writeMat4(m2);
+  S3L_logMat4(m2);
 
   S3L_mat4Xmat4(&m,&m2);
-  S3L_writeMat4(m);
+  S3L_logMat4(m);
 
   testRasterization();