Category talk:Wren-gmp: Difference between revisions

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static phi(prec) { from(5, prec).sqrt.add(1).div(2) } // Phi (golden ratio)

static sqrt2(prec) { from(2, prec).sqrt } // Square root of 2

static euler(prec) { from(1, prec).digamma.neg } // Euler's constant

// Convenience versions of the above constants whihc use the default precision.

static e { from(1).exp }

static ln2 { from(2).log }

static ln10 { from(10).log }

static pi { new().acos(Mpf.zero).mul(2) }

static tau { new().acos(Mpf.zero).mul(4) }

static phi { from(5).sqrt.add(1).div(2) }

static sqrt2 { from(2).sqrt }

static euler { from(1).digamma.neg }

// Swaps the values of two Mpf objects.

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foreign atan(op) // arc-tangent of op

foreign atan2(y, x) // arc-tangent 2 of y and x

foreign cosh(op) // hyperbolic cosine of op

foreign sinh(op) // hyperbolic sine of op

foreign tanh(op) // hyperbolic tangent of op

foreign gamma(op) // gamma function of op

foreign digamma(op) // digamma (or psi) function of op

/* As above methods where the first (or only) argument is 'this'.

Unless otherwise noted, any other argument must either be another Mpf object or a uint.

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atan { atan(this) }

atan2(x) { atan2(this, x) }

acosh { acosh(this) }

asinh { asinh(this) }

atanh { atanh(this) }

gamma { gamma(this) }

digamma { digamma(this) }

/* As above methods where the first (or only) argument is 'this'

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static max(sf) { sf.reduce { |acc, x| (x < acc) ? x : acc } }

}</lang>

==Source code (C)==

<lang c>/* gcc -O3 wren-gmp.c -o wren-gmp -lmpfr -lgmp -lwren -lm */