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path: root/main/lcms/remove-linear-interpol-test.patch
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diff --git a/testbed/testcms.c b/testbed/testcms.c
index 98ec153..1f3f162 100755
--- a/testbed/testcms.c
+++ b/testbed/testcms.c
@@ -329,266 +329,6 @@ int TestReversingOfCurves(void)
 // Tables are supposed to be monotonic, but the algorithm works on
 // non-monotonic as well.
 
-static
-int TestLinearInterpolation(int lExhaustive)
-{
-       static WORD Tab[4098];
-       int j, i, k = 0;
-       L16PARAMS p;
-       int n;
-       clock_t time;
-
-       printf("Testing linear interpolation ...");
-
-       // First I will check exact values. Since prime factors of 65535 (FFFF) are,
-       //
-       //            0xFFFF = 1 * 3 * 5 * 17 * 257
-       //
-       // I test tables of 2, 4, 6, and 18 points, that will be exact.
-       // Then, a table of 3 elements are tested. Error must be < 1
-       // Since no floating point is involved, This will be a measure of speed.
-
-
-       // Perform 10 times, so i can measure average times
-
-       time = clock();
-       for (j=0; j < 10; j++)
-       {
-
-       // 2 points - exact
-
-       Tab[0] = 0;
-       Tab[1] = 0xffffU;
-
-       cmsCalcL16Params(2, &p);
-
-       for (i=0; i <= 0xffffL; i++)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (n != i)
-                     {
-                     printf("Error in Linear interpolation (2p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-
-       }
-
-
-       // 3 points - Here the error must be <= 1, since
-       // 2 == (3 - 1)  is not a factor of 0xffff
-
-       Tab[0] = 0;
-       Tab[1] = 0x7FFF;
-       Tab[2] = 0xffffU;
-
-       cmsCalcL16Params(3, &p);
-
-       for (i=0; i <= 0xffffL; i++)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (abs(n - i) > 1)
-                     {
-                     printf("Error in Linear interpolation (3p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-
-       }
-
-
-       // 4 points - exact
-
-       Tab[0] = 0;
-       Tab[1] = 0x5555U;
-       Tab[2] = 0xAAAAU;
-       Tab[3] = 0xffffU;
-
-       cmsCalcL16Params(4, &p);
-
-       for (i=0; i <= 0xffffL; i++)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (n != i) {
-                     printf("Error in Linear interpolation (4p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-
-       }
-
-
-       // 6 - points
-
-       Tab[0] = 0;
-       Tab[1] = 0x3333U;
-       Tab[2] = 0x6666U;
-       Tab[3] = 0x9999U;
-       Tab[4] = 0xCCCCU;
-       Tab[5] = 0xFFFFU;
-
-       cmsCalcL16Params(6, &p);
-
-       for (i=0; i <= 0xffffL; i++)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (n != i) {
-                     printf("Error in Linear interpolation (6p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-
-       }
-
-
-       // 18 points
-
-       for (i=0; i < 18; i++)
-              Tab[i] = (WORD) (0x0f0fU*i);
-
-       cmsCalcL16Params(18, &p);
-
-       for (i=0; i <= 0xffffL; i++)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (n != i) {
-                     printf("Error in Linear interpolation (18p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-       }
-       }
-
-
-
-       printf("pass. (%d tics)\n", (int) (clock() - time));
-
-       // Now test descending tables
-       printf("Testing descending tables (linear interpolation)...");
-
-       // 2 points - exact
-
-       Tab[1] = 0;
-       Tab[0] = 0xffffU;
-
-       cmsCalcL16Params(2, &p);
-
-       for (i=0xffffL; i > 0; --i)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if ((0xffffL - n) != i) {
-
-                     printf("Error in Linear interpolation (descending) (2p): Must be i=%x, But is n=%x\n", i, 0xffff - n);
-                     return 0;
-                     }
-       }
-
-
-       // 3 points - Here the error must be <= 1, since
-       // 2 = (3 - 1)  is not a factor of 0xffff
-
-       Tab[2] = 0;
-       Tab[1] = 0x7FFF;
-       Tab[0] = 0xffffU;
-
-       cmsCalcL16Params(3, &p);
-
-       for (i=0xffffL; i > 0; --i)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (abs((0xffffL - n) - i) > 1) {
-
-                     printf("Error in Linear interpolation (descending) (3p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-       }
-
-
-       // 4 points - exact
-
-       Tab[3] = 0;
-       Tab[2] = 0x5555U;
-       Tab[1] = 0xAAAAU;
-       Tab[0] = 0xffffU;
-
-       cmsCalcL16Params(4, &p);
-
-       for (i=0xffffL; i > 0; --i)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if ((0xffffL - n) != i) {
-
-                     printf("Error in Linear interpolation (descending) (4p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-       }
-
-
-       // 6 - points
-
-       Tab[5] = 0;
-       Tab[4] = 0x3333U;
-       Tab[3] = 0x6666U;
-       Tab[2] = 0x9999U;
-       Tab[1] = 0xCCCCU;
-       Tab[0] = 0xFFFFU;
-
-       cmsCalcL16Params(6, &p);
-
-       for (i=0xffffL; i > 0; --i)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if ((0xffffL - n) != i) {
-                     printf("Error in Linear interpolation (descending) (6p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-
-       }
-
-
-       // 18 points
-
-       for (i=0; i < 18; i++)
-              Tab[17-i] = (WORD) (0x0f0fU*i);
-
-       cmsCalcL16Params(18, &p);
-
-       for (i=0xffffL; i > 0; --i)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if ((0xffffL - n) != i) {
-
-                     printf("Error in Linear interpolation (descending) (18p): Must be i=%x, But is n=%x\n", i, n);
-                     return 0;
-                     }
-       }
-
-       printf("pass.\n");
-
-       if (!lExhaustive) return 1;
-
-       printf("Now, testing interpolation errors for tables of n elements ...\n");
-
-       for (j=10; j < 4096; j ++)
-       {
-       if ((j % 10) == 0) printf("%d\r", j);
-
-       for (i=0; i <= j; i++)
-              {
-              Tab[i] = (WORD) floor((((double) i / ((double) j-1)) * 65535.0) + .5);
-              }
-
-       k =0;
-       cmsCalcL16Params(j, &p);
-       for (i=0; i <= 0xffffL; i++)
-       {
-              n = cmsLinearInterpLUT16((WORD) i, Tab, &p);
-              if (n != i) k++;
-
-       }
-       
-       }
-       printf("\n%d: %d errors\n\n", j, k);
-       return 1;
-}
-
-
-
 static
 int IsGood(const char *frm, WORD in, WORD out)
 {
@@ -2318,7 +2058,6 @@ int main(int argc, char *argv[])
        if (!TestFixedScaling()) return 1;          
        if (!TestJointCurves()) return 1;
        if (!TestReversingOfCurves()) return 1;
-       if (!TestLinearInterpolation(lExhaustive)) return 1;
        if (!TestReverseLinearInterpolation()) return 1;