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core.math
Builtin mathematical intrinsics
Source core/math.d
License:
Authors:
Walter Bright,
Don Clugston
- pure nothrow @nogc @safe float
cos(floatx);
pure nothrow @nogc @safe doublecos(doublex);
pure nothrow @nogc @safe realcos(realx); - 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 float
sin(floatx);
pure nothrow @nogc @safe doublesin(doublex);
pure nothrow @nogc @safe realsin(realx); - 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(floatx);
pure nothrow @nogc @safe longrndtol(doublex);
pure nothrow @nogc @safe longrndtol(realx); - 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.
- pure nothrow @nogc @safe float
sqrt(floatx);
pure nothrow @nogc @safe doublesqrt(doublex);
pure nothrow @nogc @safe realsqrt(realx); - 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 float
ldexp(floatn, intexp);
pure nothrow @nogc @safe doubleldexp(doublen, intexp);
pure nothrow @nogc @safe realldexp(realn, intexp); - Compute n * 2exp
References frexp
- pure nothrow @nogc @safe float
fabs(floatx); - Compute the absolute value.
It is implemented as a compiler intrinsic.Special Values x fabs(x) ±0.0 +0.0 ±∞ +∞ Parameters:float xfloating point value Returns:|x|References equivalent to std.math.
fabs - pure nothrow @nogc @safe double
fabs(doublex); - dittoCompute the absolute value.
It is implemented as a compiler intrinsic.Special Values x fabs(x) ±0.0 +0.0 ±∞ +∞ Parameters:double xfloating point value Returns:|x|References equivalent to std.math.
fabs - pure nothrow @nogc @safe real
fabs(realx); - dittoCompute the absolute value.
It is implemented as a compiler intrinsic.Special Values x fabs(x) ±0.0 +0.0 ±∞ +∞ Parameters:real xfloating point value Returns:|x|References equivalent to std.math.
fabs - pure nothrow @nogc @safe float
rint(floatx);
pure nothrow @nogc @safe doublerint(doublex);
pure nothrow @nogc @safe realrint(realx); - 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 float
yl2x(floatx, floaty);
pure nothrow @nogc @safe doubleyl2x(doublex, doubley);
pure nothrow @nogc @safe realyl2x(realx, realy);
pure nothrow @nogc @safe doubleyl2xp1(doublex, doubley);
pure nothrow @nogc @safe realyl2xp1(realx, realy); - Building block functions, they translate to a single x87 instruction.
- T
toPrec(T : float)(floatf);
TtoPrec(T : float)(doublef);
TtoPrec(T : float)(realf);
TtoPrec(T : double)(floatf);
TtoPrec(T : double)(doublef);
TtoPrec(T : double)(realf);
TtoPrec(T : real)(floatf);
TtoPrec(T : real)(doublef);
TtoPrec(T : real)(realf); - Round argument to a specific precision.D language types specify only a minimum precision, not a maximum. The
toPrec() function forces rounding of the argumentfto the precision of the specified floating point type T. The rounding mode used is inevitably target-dependent, but will be done in a way to maximize accuracy. In most cases, the default is round-to-nearest.Parameters:T precision type to round to float fvalue to convert Returns:f in precision of type T
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Ddoc on Mon Mar 31 10:27:31 2025