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authorCharles Karney <charles@karney.com>2018-03-23 06:26:26 -0400
committerCharles Karney <charles@karney.com>2018-03-23 06:26:26 -0400
commit667a3fc73240015effa4c5892366e9c6a6bc6bfe (patch)
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parent3cd307366ab86c3351d77ba5fd19d5a56e76d239 (diff)
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If HAVE_C99_MATH, then pj_is_nan is defined as isnan.
This required extending the HAVE_C99_MATH checks in CMakeLists.txt and configure.ac to include a test for the C99 function isnan.
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