TESTING/MATGEN/clarnd.f(3)

NAME 🎀

TESTING/MATGEN/clarnd.f — this is the Library Functions Manual page for the one and only clarnd, bestie. It’s giving “small routine, big main character energy” 💅✨

SYNOPSIS ✨

Functions/Subroutines 🎀

• complex function clarnd (idist, iseed) — CLARND

Function/Subroutine Documentation 💖

Here’s the signature, exactly as it appears, no cap:

complex function clarnd (integer idist, integer, dimension( 4 ) iseed)

CLARND

Purpose ✨

CLARND returns a random complex number from a uniform or normal distribution.

Parameters 🌸

• IDIST — IDIST is INTEGER. It specifies the distribution of the random numbers, and the options are very much giving a menu:
  • = 1: real and imaginary parts each uniform (0,1)
  • = 2: real and imaginary parts each uniform (-1,1)
  • = 3: real and imaginary parts each normal (0,1)
  • = 4: uniformly distributed on the disc abs(z) <= 1
  • = 5: uniformly distributed on the circle abs(z) = 1
• ISEED — ISEED is INTEGER array, dimension (4). On entry, it’s the seed of the random number generator; the array elements must be between 0 and 4095, and ISEED(4) must be odd. On exit, the seed is updated. Periodt.

Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

Further Details 🔥

This routine calls the auxiliary routine SLARAN to generate a random real number from a uniform (0,1) distribution. The Box-Muller method is used to transform numbers from a uniform to a normal distribution.

Definition at line 74 of file clarnd.f.

Author 📝

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