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Add support for FreeBSD x86 reals #7689

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merged 4 commits into from
Nov 13, 2020
Merged

Add support for FreeBSD x86 reals #7689

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c955773
std.complex: Relax unittests for FreeBSD x86 53-bit precision reals
ibuclaw Nov 9, 2020
51c457d
std.conv: Fix unittests for FreeBSD x86 53-bit precision reals
ibuclaw Nov 9, 2020
a7ba764
std.internal.math.gammafunction: Define MAXGAMMA, MAXLOG, MINLOG for …
ibuclaw Nov 9, 2020
ab8221e
std.math: Add support for FreeBSD x86 53-bit precision reals
ibuclaw Nov 9, 2020
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std.complex: Relax unittests for FreeBSD x86 53-bit precision reals
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@ibuclaw
ibuclaw committed Nov 9, 2020
commit c9557739742f7328f1ae54c9e2531e9150cfb021
34 changes: 19 additions & 15 deletions std/complex.d
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Original file line number Diff line number Diff line change
Expand Up @@ -901,6 +901,17 @@ Complex!(CommonType!(T, U)) fromPolar(T, U)(const T modulus, const U argument)
assert(approxEqual(z.im, 1.0L, real.epsilon));
}

version (StdUnittest)
{
// Helper function for comparing two Complex numbers.
int ceqrel(T)(const Complex!T x, const Complex!T y) @safe pure nothrow @nogc
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private

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Ah you just moved it, nvm

{
import std.math : feqrel;
const r = feqrel(x.re, y.re);
const i = feqrel(x.im, y.im);
return r < i ? r : i;
}
}

/**
Trigonometric functions on complex numbers.
Expand All @@ -920,9 +931,13 @@ Complex!T sin(T)(Complex!T z) @safe pure nothrow @nogc
{
static import std.math;
assert(sin(complex(0.0)) == 0.0);
assert(sin(complex(2.0L, 0)) == std.math.sin(2.0L));
assert(sin(complex(2.0, 0)) == std.math.sin(2.0));
}

@safe pure nothrow unittest
{
assert(ceqrel(sin(complex(2.0L, 0)), std.math.sin(2.0L)) >= real.mant_dig - 1);
}

/// ditto
Complex!T cos(T)(Complex!T z) @safe pure nothrow @nogc
Expand All @@ -937,26 +952,15 @@ Complex!T cos(T)(Complex!T z) @safe pure nothrow @nogc
{
static import std.math;
assert(cos(complex(0.0)) == 1.0);
assert(cos(complex(1.3L, 0.0)) == std.math.cos(1.3L));
assert(cos(complex(0.0L, 5.2L)) == std.math.cosh(5.2L));
}

version (StdUnittest)
{
int ceqrel(T)(const Complex!T x, const Complex!T y) @safe pure nothrow @nogc
{
import std.math : feqrel;
const r = feqrel(x.re, y.re);
const i = feqrel(x.im, y.im);
return r < i ? r : i;
}
assert(cos(complex(1.3, 0.0)) == std.math.cos(1.3));
assert(cos(complex(0.0, 5.2)) == std.math.cosh(5.2));
}

@safe pure nothrow unittest
{
static import std.math;
assert(ceqrel(cos(complex(0, 5.2L)), complex(std.math.cosh(5.2L), 0.0L)) >= real.mant_dig - 1);
assert(cos(complex(1.3L)) == std.math.cos(1.3L));
assert(ceqrel(cos(complex(1.3L)), complex(std.math.cos(1.3L))) >= real.mant_dig - 1);
}

/// ditto
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