A standard pragma is a pragma preprocessor directive for which
the C Standard defines the syntax and semantics and for which no macro
replacement is performed. A standard pragma must be one of the
following:
>>-#pragma--STDC--+-FP_CONTRACT------+--+-DEFAULT-+--new-line-->< +-FENV_ACCESS------+ +-ON------+ '-CX_LIMITED_RANGE-' '-OFF-----'
The default for #pragma STDC CX_LIMITED_RANGE is OFF.
The C standard pragmas are discussed in XL C/C++ Compiler Reference.
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