| [9] | 1 | /*
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| 2 | * localmath.h - This header is used by the mathematical library.
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| 3 | */
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| 4 | /* $Header: /cvsup/minix/src/lib/ack/h/pc_math.h,v 1.1 2005/10/10 15:27:44 beng Exp $ */
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| 5 |
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| 6 | /* some constants (Hart & Cheney) */
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| 7 | #define M_PI 3.14159265358979323846264338327950288
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| 8 | #define M_2PI 6.28318530717958647692528676655900576
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| 9 | #define M_3PI_4 2.35619449019234492884698253745962716
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| 10 | #define M_PI_2 1.57079632679489661923132169163975144
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| 11 | #define M_3PI_8 1.17809724509617246442349126872981358
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| 12 | #define M_PI_4 0.78539816339744830961566084581987572
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| 13 | #define M_PI_8 0.39269908169872415480783042290993786
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| 14 | #define M_1_PI 0.31830988618379067153776752674502872
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| 15 | #define M_2_PI 0.63661977236758134307553505349005744
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| 16 | #define M_4_PI 1.27323954473516268615107010698011488
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| 17 | #define M_E 2.71828182845904523536028747135266250
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| 18 | #define M_LOG2E 1.44269504088896340735992468100189213
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| 19 | #define M_LOG10E 0.43429448190325182765112891891660508
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| 20 | #define M_LN2 0.69314718055994530941723212145817657
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| 21 | #define M_LN10 2.30258509299404568401799145468436421
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| 22 | #define M_SQRT2 1.41421356237309504880168872420969808
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| 23 | #define M_1_SQRT2 0.70710678118654752440084436210484904
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| 24 | #define M_EULER 0.57721566490153286060651209008240243
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| 25 |
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| 26 | /* macros for constructing polynomials */
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| 27 | #define POLYNOM1(x, a) ((a)[1]*(x)+(a)[0])
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| 28 | #define POLYNOM2(x, a) (POLYNOM1((x),(a)+1)*(x)+(a)[0])
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| 29 | #define POLYNOM3(x, a) (POLYNOM2((x),(a)+1)*(x)+(a)[0])
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| 30 | #define POLYNOM4(x, a) (POLYNOM3((x),(a)+1)*(x)+(a)[0])
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| 31 | #define POLYNOM5(x, a) (POLYNOM4((x),(a)+1)*(x)+(a)[0])
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| 32 | #define POLYNOM6(x, a) (POLYNOM5((x),(a)+1)*(x)+(a)[0])
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| 33 | #define POLYNOM7(x, a) (POLYNOM6((x),(a)+1)*(x)+(a)[0])
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| 34 | #define POLYNOM8(x, a) (POLYNOM7((x),(a)+1)*(x)+(a)[0])
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| 35 | #define POLYNOM9(x, a) (POLYNOM8((x),(a)+1)*(x)+(a)[0])
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| 36 | #define POLYNOM10(x, a) (POLYNOM9((x),(a)+1)*(x)+(a)[0])
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| 37 | #define POLYNOM11(x, a) (POLYNOM10((x),(a)+1)*(x)+(a)[0])
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| 38 | #define POLYNOM12(x, a) (POLYNOM11((x),(a)+1)*(x)+(a)[0])
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| 39 | #define POLYNOM13(x, a) (POLYNOM12((x),(a)+1)*(x)+(a)[0])
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| 40 |
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| 41 | #define M_LN_MAX_D (M_LN2 * DBL_MAX_EXP)
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| 42 | #define M_LN_MIN_D (M_LN2 * (DBL_MIN_EXP - 1))
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