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-rw-r--r--inc/lizfcm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/inc/lizfcm.h b/inc/lizfcm.h
index 295aab0..625e6bc 100644
--- a/inc/lizfcm.h
+++ b/inc/lizfcm.h
@@ -76,6 +76,9 @@ extern double fixed_point_secant_bisection_method(double (*f)(double),
extern double dominant_eigenvalue(Matrix_double *m, Array_double *v,
double tolerance, size_t max_iterations);
+extern double shift_inverse_power_eigenvalue(Matrix_double *m, Array_double *v,
+ double shift, double tolerance,
+ size_t max_iterations);
extern double least_dominant_eigenvalue(Matrix_double *m, Array_double *v,
double tolerance,
size_t max_iterations);