共用方式為

_CIatan

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Calculates the arctangent of the top value on the stack.

void __cdecl _CIatan();

Remarks

This version of the atan function has a specialized calling convention that the compiler understands. It speeds up the execution because it prevents copies from being generated and helps with register allocation.

The resulting value is pushed onto the top of the stack.

Requirements

Platform: x86

See Also

Reference

atan, atanf, atan2, atan2f

Other Resources

Alphabetical Function Reference

Change History

Date

History

Reason

June 2010

Added this document.

Information enhancement.