[lmi-commits] [lmi] master 623ddbd 5/8: Assert a precondition

[Greg Chicares]

branch: master
commit 623ddbd0a547814d85b83dd362f67b4a110ecb1e
Author: Gregory W. Chicares <gchicares@sbcglobal.net>
Commit: Gregory W. Chicares <gchicares@sbcglobal.net>

    Assert a precondition
---
 zero.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zero.hpp b/zero.hpp
index 46e4880..91578b3 100644
--- a/zero.hpp
+++ b/zero.hpp
@@ -24,6 +24,7 @@
 
 #include "config.hpp"
 
+#include "assert_lmi.hpp"
 #include "null_stream.hpp"
 #include "round_to.hpp"
 
@@ -430,6 +431,7 @@ double brent_zero
     ,FunctionalType& f
     )
 {
+    LMI_ASSERT(0.0 <= t);
     constexpr double epsilon {std::numeric_limits<double>::epsilon()};
 
     // Returns a zero of the function f in [a,b] to within a tolerance