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-rw-r--r--src/misc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/misc.h b/src/misc.h
index 80a580f..3a55c2f 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -17,6 +17,7 @@ double ln(unsigned int n);
double lnfact(unsigned int n);
double kahan_sum(double *x, size_t n);
double interp1d(double x, double *xp, double *yp, size_t n);
+double interp2d(double x, double y, double *xp, double *yp, double *zp, size_t n1, size_t n2);
int isclose(double a, double b, double rel_tol, double abs_tol);
int allclose(double *a, double *b, size_t n, double rel_tol, double abs_tol);
double logsumexp(double *a, size_t n);