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CArcCosRealfunction

Returns the complex arccosine of a real number.

Numeric DatatypesfunctionAfxComplex.incdocumented

Syntax

FUNCTION CArcCosReal (BYVAL value AS DOUBLE) AS _complex
Also documented as CACosReal — one description covers them all.

Parameters

NameDescription
valueA double value representing the real part of a complex number.

Description

Returns the complex arccosine of a real number.
For a between -1 and 1, the function returns a real value in the range \[0, pi].
For a less than -1 the result has a real part of pi and a negative imaginary part.
For a greater than 1 the result is purely imaginary and positive.

Example

print CStr(CArcCosReal(1)) ' = 0 0 * i print CStr(CArcCosReal(-1)) ' = 3.141592653589793 0 * i print CStr(CArcCosReal(2)) ' = 0 +1.316957896924817 * i

Reference

  • Include file AfxComplex.inc
  • Defined in AfxNova/AfxComplex.inc:1026
  • Documented in Numeric Datatypes/Complex Numbers Procedures.md
  • Topic: Complex Numbers Procedures