SIGN: absolute of argument1 times sign of argument2 (F)

• • result = SIGN ( argument1, argument2)
• argument1 and argument2 are both numeric scalars
• result is ABS(argument1) if argument2 ≥ 0 and -ABS(argument1) if argument2 < 0
• • x = SIGN( 1.111, 2.222 ) ! x = 1.111
  • x = SIGN( -1.111, 2.222 ) ! x = 1.111
  • x = SIGN( 1.111, -2.222 ) ! x = -1.111
  • x = SIGN( -1.111, -2.222 ) ! x = -1.111

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