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-rw-r--r--src/image.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/image.h b/src/image.h
index 69c36de8..692ef7f8 100644
--- a/src/image.h
+++ b/src/image.h
@@ -76,8 +76,8 @@ struct image {
double lambda; /* Wavelength in m */
double div; /* Divergence in radians */
double bw; /* Bandwidth as a fraction */
- double f0; /* Incident intensity */
- int f0_available; /* 0 if f0 wasn't available
+ double i0; /* Incident intensity */
+ int i0_available; /* 0 if f0 wasn't available
* from the input. */
double osf; /* Overall scaling factor */
double profile_radius; /* Radius of reflection */