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any, all

Test for sign bit.

int any(igentype x)

int all(igentype x)

Description

any returns 1 if the most significant bit in any component of x is set; otherwise returns 0.

all returns 1 if the most significant bit in all components of x is set; otherwise returns 0.

Notes

If an implementation extends this specification to support IEEE-754 flags or exceptions, then all built-in relational functions shall proceed without raising the invalid floating-point exception when one or more of the operands are NaNs.