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* Removed TTabCoef type and unused zero members in coefficient arrays (the actual number of coefficients is passed to polevl/p1evl anyways).
* Use sizeint type instead of integer (the latter is 16-bit, resulting in unneeded adjustments on non-x86 targets). git-svn-id: trunk@26556 -
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@ -36,7 +36,7 @@
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{-------------------------------------------------------------------------}
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type
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TabCoef = array[0..6] of Real;
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PReal = ^Real;
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{ also necessary for Int() on systems with 64bit floats (JM) }
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{$ifndef FPC_SYSTEM_HAS_float64}
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{$ifdef ENDIAN_LITTLE}
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@ -79,20 +79,20 @@ const
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DP3 = 2.69515142907905952645E-15;
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{$if not defined(FPC_SYSTEM_HAS_SIN) or not defined(FPC_SYSTEM_HAS_COS)}
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const sincof : TabCoef = (
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const sincof : array[0..5] of Real = (
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1.58962301576546568060E-10,
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-2.50507477628578072866E-8,
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2.75573136213857245213E-6,
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-1.98412698295895385996E-4,
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8.33333333332211858878E-3,
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-1.66666666666666307295E-1, 0);
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coscof : TabCoef = (
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-1.66666666666666307295E-1);
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coscof : array[0..5] of Real = (
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-1.13585365213876817300E-11,
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2.08757008419747316778E-9,
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-2.75573141792967388112E-7,
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2.48015872888517045348E-5,
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-1.38888888888730564116E-3,
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4.16666666666665929218E-2, 0);
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4.16666666666665929218E-2);
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{$endif}
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{*
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@ -430,7 +430,7 @@ type
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{$endif not SYSTEM_HAS_LDEXP}
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function polevl(var x:Real; var Coef:TabCoef; N:Integer):Real;
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function polevl(x:Real; Coef:PReal; N:sizeint):Real;
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{*****************************************************************}
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{ Evaluate polynomial }
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{*****************************************************************}
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@ -468,7 +468,7 @@ type
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{ program in microcode or assembly language. }
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{*****************************************************************}
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var ans : Real;
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i : Integer;
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i : sizeint;
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begin
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ans := Coef[0];
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@ -478,14 +478,14 @@ type
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end;
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function p1evl(var x:Real; var Coef:TabCoef; N:Integer):Real;
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function p1evl(x:Real; Coef:PReal; N:sizeint):Real;
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{ }
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{ Evaluate polynomial when coefficient of x is 1.0. }
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{ Otherwise same as polevl. }
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{ }
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var
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ans : Real;
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i : Integer;
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i : sizeint;
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begin
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ans := x + Coef[0];
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for i:=1 to N-1 do
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@ -1232,15 +1232,15 @@ type
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{ A Pade' form of degree 2/3 is used to approximate exp(f)- 1 }
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{ in the basic range [-0.5 ln 2, 0.5 ln 2]. }
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{*****************************************************************}
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const P : TabCoef = (
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const P : array[0..2] of Real = (
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1.26183092834458542160E-4,
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3.02996887658430129200E-2,
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1.00000000000000000000E0, 0, 0, 0, 0);
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Q : TabCoef = (
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1.00000000000000000000E0);
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Q : array[0..3] of Real = (
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3.00227947279887615146E-6,
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2.52453653553222894311E-3,
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2.27266044198352679519E-1,
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2.00000000000000000005E0, 0 ,0 ,0);
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2.00000000000000000005E0);
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C1 = 6.9335937500000000000E-1;
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C2 = 2.1219444005469058277E-4;
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@ -1366,7 +1366,7 @@ type
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{ log(x) = z + z**3 P(z)/Q(z). }
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{ }
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{*****************************************************************}
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const P : TabCoef = (
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const P : array[0..6] of Real = (
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{ Coefficients for log(1+x) = x - x**2/2 + x**3 P(x)/Q(x)
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1/sqrt(2) <= x < sqrt(2) }
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@ -1377,26 +1377,26 @@ type
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6.06127134467767258030E1,
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5.67349287391754285487E1,
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1.98892446572874072159E1);
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Q : TabCoef = (
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Q : array[0..5] of Real = (
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1.50314182634250003249E1,
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8.27410449222435217021E1,
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2.20664384982121929218E2,
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3.07254189979530058263E2,
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2.14955586696422947765E2,
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5.96677339718622216300E1, 0);
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5.96677339718622216300E1);
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{ Coefficients for log(x) = z + z**3 P(z)/Q(z),
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where z = 2(x-1)/(x+1)
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1/sqrt(2) <= x < sqrt(2) }
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R : TabCoef = (
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R : array[0..2] of Real = (
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-7.89580278884799154124E-1,
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1.63866645699558079767E1,
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-6.41409952958715622951E1, 0, 0, 0, 0);
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S : TabCoef = (
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-6.41409952958715622951E1);
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S : array[0..2] of Real = (
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-3.56722798256324312549E1,
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3.12093766372244180303E2,
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-7.69691943550460008604E2, 0, 0, 0, 0);
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-7.69691943550460008604E2);
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var e : Integer;
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z, y : Real;
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