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-rw-r--r--src/solid_angle.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/solid_angle.h b/src/solid_angle.h
new file mode 100644
index 0000000..aacb692
--- /dev/null
+++ b/src/solid_angle.h
@@ -0,0 +1,9 @@
+#ifndef SOLID_ANGLE_H
+#define SOLID_ANGLE_H
+
+#include <math.h>
+
+double get_solid_angle_approx(double *pos, double *pmt, double *n, double r);
+double get_solid_angle(double *pos, double *pmt, double *n, double r);
+
+#endif