core.math
Builtin mathematical intrinsics
Source:
License:
Boost License 1.0.
Authors:
,
Don Clugston
- pure nothrow @nogc @safe real cos(real x);
- Returns cosine of x. x is in radians.
Special Values
x | cos(x) | invalid? |
NAN | NAN | yes |
±∞ | NAN | yes |
BUGS:
Results are undefined if |x| >= 264.
- pure nothrow @nogc @safe real sin(real x);
- Returns sine of x. x is in radians.
Special Values
x | sin(x) | invalid? |
NAN | NAN | yes |
±0.0 | ±0.0 | no |
±∞ | NAN | yes |
BUGS:
Results are undefined if |x| >= 264.
- pure nothrow @nogc @safe long rndtol(real x);
- Returns x rounded to a long value using the current rounding mode.
If the integer value of x is
greater than long.max, the result is
indeterminate.
- @nogc real rndtonl(real x);
- Returns x rounded to a long value using the FE_TONEAREST rounding mode.
If the integer value of x is
greater than long.max, the result is
indeterminate.
- pure nothrow @nogc @safe float sqrt(float x);
- Compute square root of x.
Special Values
x | sqrt(x) | invalid? |
-0.0 | -0.0 | no |
<0.0 | NAN | yes |
+∞ | +∞ | no |
- pure nothrow @nogc @safe double sqrt(double x);
- ditto
Compute square root of x.
Special Values
x | sqrt(x) | invalid? |
-0.0 | -0.0 | no |
<0.0 | NAN | yes |
+∞ | +∞ | no |
- pure nothrow @nogc @safe real sqrt(real x);
- ditto
Compute square root of x.
Special Values
x | sqrt(x) | invalid? |
-0.0 | -0.0 | no |
<0.0 | NAN | yes |
+∞ | +∞ | no |
- pure nothrow @nogc @safe real ldexp(real n, int exp);
- Compute n * 2exp
References:
frexp
- pure nothrow @nogc @safe real fabs(real x);
- Returns |x|
Special Values
x | fabs(x) |
±0.0 | +0.0 |
±∞ | +∞ |
- pure nothrow @nogc @safe real rint(real x);
- Rounds x to the nearest integer value, using the current rounding
mode.
If the return value is not equal to x, the FE_INEXACT
exception is raised.
nearbyint performs
the same operation, but does not set the FE_INEXACT exception.
- pure nothrow @nogc @safe real yl2x(real x, real y);
- Building block functions, they
translate to a single x87 instruction.
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