The matrix calculates incorrectly!

[colesnicov]

In the file lib/matrix.c from line '

esp8266_ili9341/lib/matrix.c

Line 497 in 03e9692

if (MatA.cols != MatB.rows)

' you need to add curly braces to make it look like this:

if (MatA.cols != MatB.rows)
{
#if MATDEBUG & 1
        printf("error MatA cols(%d) != MatB rows(%d)\n", MatA.cols, MatB.rows);
#endif
}
// A row
for (rA = 0; rA < MatA.rows; ++rA) 
{
    // col B
    for (cB = 0; cB < MatB.cols; ++cB) 
    {
        // row B
        for (rB = 0; rB < MatB.rows; ++rB) 
        {
            sum += (MatA.data[rA][rB] * MatB.data[rB][cB]);
        }
        MatR.data[rA][cB] = sum;
        sum = 0;
    }
}

Otherwise, when the MATDEBUG option is switched off, the matrix calculates incorrectly and the touch does not work!

[colesnicov]

But a better solution would probably be this:

#if MATDEBUG & 1
if (MatA.cols != MatB.rows)
{
        printf("error MatA cols(%d) != MatB rows(%d)\n", MatA.cols, MatB.rows);
}
#endif

You can close this issue after review..