Added fix to cfloat_endf for length 11 endf floats (#2967)

Co-authored-by: aidancrilly <[email protected]>
openmc-dev · Apr 18, 2024 · d53155d · d53155d
1 parent 2974d53
commit d53155d
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diff --git a/openmc/data/endf.c b/openmc/data/endf.c
@@ -14,7 +14,7 @@
 
 double cfloat_endf(const char* buffer, int n)
 {
-  char arr[12]; // 11 characters plus a null terminator
+  char arr[13]; // 11 characters plus e and a null terminator
   int j = 0; // current position in arr
   int found_significand = 0;
   int found_exponent = 0;

diff --git a/tests/unit_tests/test_endf.py b/tests/unit_tests/test_endf.py
@@ -23,6 +23,7 @@ def test_float_endf():
     assert endf.float_endf('-1.+2') == approx(-100.0)
     assert endf.float_endf('        ') == 0.0
     assert endf.float_endf('9.876540000000000') == approx(9.87654)
+    assert endf.float_endf('-2.225002+6') == approx(-2.225002e+6)
 
 
 def test_int_endf():