function testAcosh() { /*{{{*/ $tmp = Math_ComplexOp::acosh($this->cnum1); $this->assertEquals('-0.49790294283 - 1.30124068537i', $tmp->toString()); }
/** * Calculates the inverse hyperbolic secant of a complex number: z = asech(c1) * * @param Math_Complex $c1 * @return Math_Complex A valid Math_Complex number on success * @throws InvalidArgumentException */ public static function asech(Math_Complex $c1) { if (!Math_ComplexOp::isComplex($c1)) { throw new InvalidArgumentException('argument is not a Math_Complex object'); } $z = Math_ComplexOp::inverse($c1); return Math_ComplexOp::acosh($z); }
echo "acot(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sinh($a); echo "sinh(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::cosh($a); echo "cosh(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::tanh($a); echo "tanh(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sech($a); echo "sech(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::csch($a); echo "csch(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::coth($a); echo "coth(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::asinh($a); echo "asinh(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::acosh($a); echo "acosh(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::atanh($a); echo "atanh(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::asech($a); echo "asech(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::acsch($a); echo "acsch(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::acoth($a); echo "acoth(a) = " . $z->toString() . "\n"; if (!Math_ComplexOp::areEqual($a, $b)) { echo "a != b\n"; } $z = Math_ComplexOp::add($a, $b); echo "add(a, b) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sub($a, $b);