ARM VERSION 1.2 Datový list stáhnout pdf (Strana 218)

Floating-point Support

•

edata & FE_EX_OUTTYPE_MASK

gives the type of the operands to the function, as one

of the type values shown in Table 5-9.

•

edata & FE_EX_FN_MASK

gives the nature of the operation that caused the exception,

as one of the operation codes shown in Table 5-10.

Table 5-9 FE_EX_OUTTYPE_MASK operand type flags

Flag Operand type

FE_EX_OUTTYPE_FLOAT float

FE_EX_OUTTYPE_DOUBLE double

FE_EX_OUTTYPE_INT int

FE_EX_OUTTYPE_UINT unsigned int

FE_EX_OUTTYPE_LONGLONG long long

FE_EX_OUTTYPE_ULONGLONG unsigned long long

Table 5-10 FE_EX_FN_MASK operation type flags

Flag Operation type

FE_EX_FN_ADD

Addition.

FE_EX_FN_SUB

Subtraction.

FE_EX_FN_MUL

Multiplication.

FE_EX_FN_DIV

Division.

FE_EX_FN_REM

Remainder.

FE_EX_FN_RND

Round to integer.

FE_EX_FN_SQRT

Square root.

FE_EX_FN_CMP

Compare.

FE_EX_FN_CVT

Convert between formats.

FE_EX_FN_RAISE

The exception was raised explicitly, by

feraiseexcept

feupdateenv

. In this case almost nothing in the

edata

word is

valid.

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