1 files changed, 15 insertions, 0 deletions
diff --git a/include/integrands.h b/include/integrands.h
new file mode 100644
index 0000000..b4735a8
--- /dev/null
+++ b/include/integrands.h
@@ -0,0 +1,15 @@
+#ifndef INTEGRANDS_H
+#define INTEGRANDS_H
+
+#include <gsl/gsl_vector.h>
+
+typedef struct {
+  double *coefficients;
+  int degree;
+} polynomial_integrand_params;
+
+double polynomial_integrand (double r, const gsl_vector* x, void *params);
+double gaussian_integrand (double r, const gsl_vector* x, void *params);
+double x_coordinate_integrand (double r, const gsl_vector* x, void *params);
+
+#endif