pc_math.h

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/*
 * localmath.h - This header is used by the mathematical library.
 */
/* $Header: /opt/proj/minix/cvsroot/src/lib/ack/h/pc_math.h,v 1.1 2005/10/10 15:27:44 beng Exp $ */

/* some constants (Hart & Cheney) */
#define M_PI            3.14159265358979323846264338327950288
#define M_2PI           6.28318530717958647692528676655900576
#define M_3PI_4         2.35619449019234492884698253745962716
#define M_PI_2          1.57079632679489661923132169163975144
#define M_3PI_8         1.17809724509617246442349126872981358
#define M_PI_4          0.78539816339744830961566084581987572
#define M_PI_8          0.39269908169872415480783042290993786
#define M_1_PI          0.31830988618379067153776752674502872
#define M_2_PI          0.63661977236758134307553505349005744
#define M_4_PI          1.27323954473516268615107010698011488
#define M_E             2.71828182845904523536028747135266250
#define M_LOG2E         1.44269504088896340735992468100189213
#define M_LOG10E        0.43429448190325182765112891891660508
#define M_LN2           0.69314718055994530941723212145817657
#define M_LN10          2.30258509299404568401799145468436421
#define M_SQRT2         1.41421356237309504880168872420969808
#define M_1_SQRT2       0.70710678118654752440084436210484904
#define M_EULER         0.57721566490153286060651209008240243

/* macros for constructing polynomials */
#define POLYNOM1(x, a)  ((a)[1]*(x)+(a)[0])
#define POLYNOM2(x, a)  (POLYNOM1((x),(a)+1)*(x)+(a)[0])
#define POLYNOM3(x, a)  (POLYNOM2((x),(a)+1)*(x)+(a)[0])
#define POLYNOM4(x, a)  (POLYNOM3((x),(a)+1)*(x)+(a)[0])
#define POLYNOM5(x, a)  (POLYNOM4((x),(a)+1)*(x)+(a)[0])
#define POLYNOM6(x, a)  (POLYNOM5((x),(a)+1)*(x)+(a)[0])
#define POLYNOM7(x, a)  (POLYNOM6((x),(a)+1)*(x)+(a)[0])
#define POLYNOM8(x, a)  (POLYNOM7((x),(a)+1)*(x)+(a)[0])
#define POLYNOM9(x, a)  (POLYNOM8((x),(a)+1)*(x)+(a)[0])
#define POLYNOM10(x, a) (POLYNOM9((x),(a)+1)*(x)+(a)[0])
#define POLYNOM11(x, a) (POLYNOM10((x),(a)+1)*(x)+(a)[0])
#define POLYNOM12(x, a) (POLYNOM11((x),(a)+1)*(x)+(a)[0])
#define POLYNOM13(x, a) (POLYNOM12((x),(a)+1)*(x)+(a)[0])

#define M_LN_MAX_D      (M_LN2 * DBL_MAX_EXP)
#define M_LN_MIN_D      (M_LN2 * (DBL_MIN_EXP - 1))

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