Provided by: libfontconfig1-dev_2.13.1-2ubuntu3_amd64 

NAME
FcMatrixMultiply - Multiply matrices
SYNOPSIS
#include <fontconfig/fontconfig.h>
void FcMatrixMultiply (FcMatrix *result, const FcMatrix *matrix1, const FcMatrix *matrix2);
DESCRIPTION
FcMatrixMultiply multiplies matrix1 and matrix2 storing the result in result.
Fontconfig 2.13.1 06 April 2020 FcMatrixMultiply(3)