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===Intel===
===Intel===
Intel C/C++ compilers may default to using possibly unsafe optimizations for floating-point operations.  Users using the Intel compilers should read the Intel man pages (e.g., <tt>man icc</tt>) and are recommended to use one of two options, <tt>-fp-model precise</tt> or <tt>-fp-model source</tt>, for ANSI/ISO/IEEE standards-compliant floating-point support.
Intel C/C++ compilers may default to using possibly unsafe optimizations for floating-point operations.  Users using the Intel compilers should read the Intel man pages (e.g., <tt>man icc</tt>) and are recommended to use one of two options, <tt>-fp-model precise</tt> or <tt>-fp-model source</tt>, for ANSI/ISO/IEEE standards-compliant floating-point support. For more details, read this Intel slideshow called, [https://software.intel.com/sites/default/files/article/326703/fp-control-2012-08.pdf Floating-point control in the Intel compiler and libraries].
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