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-rw-r--r--fitz/base_matrix.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fitz/base_matrix.c b/fitz/base_matrix.c
index 8735b1ad..0bd700fc 100644
--- a/fitz/base_matrix.c
+++ b/fitz/base_matrix.c
@@ -1,5 +1,8 @@
#include "fitz.h"
+#define MAX4(a,b,c,d) MAX(MAX(a,b), MAX(c,d))
+#define MIN4(a,b,c,d) MIN(MIN(a,b), MIN(c,d))
+
void fz_invert3x3(float *dst, float *m)
{
float det;