1988-07-22 16:59:22 +00:00
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/*
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* (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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1994-06-24 11:31:16 +00:00
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/* $Id$ */
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1988-07-22 16:59:22 +00:00
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1991-10-25 14:44:21 +00:00
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#ifndef _MATH_H
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#define _MATH_H
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1988-07-22 16:59:22 +00:00
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/* some constants (Hart & Cheney) */
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#define M_PI 3.14159265358979323846264338327950288
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#define M_2PI 6.28318530717958647692528676655900576
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#define M_3PI_4 2.35619449019234492884698253745962716
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#define M_PI_2 1.57079632679489661923132169163975144
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#define M_3PI_8 1.17809724509617246442349126872981358
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#define M_PI_4 0.78539816339744830961566084581987572
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#define M_PI_8 0.39269908169872415480783042290993786
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#define M_1_PI 0.31830988618379067153776752674502872
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#define M_2_PI 0.63661977236758134307553505349005744
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#define M_4_PI 1.27323954473516268615107010698011488
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#define M_E 2.71828182845904523536028747135266250
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#define M_LOG2E 1.44269504088896340735992468100189213
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#define M_LOG10E 0.43429448190325182765112891891660508
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#define M_LN2 0.69314718055994530941723212145817657
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#define M_LN10 2.30258509299404568401799145468436421
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#define M_SQRT2 1.41421356237309504880168872420969808
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#define M_1_SQRT2 0.70710678118654752440084436210484904
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#define M_EULER 0.57721566490153286060651209008240243
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1988-07-25 11:32:46 +00:00
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#ifndef __NO_DEFS
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1988-07-22 16:59:22 +00:00
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extern double exp(), log(), log10(), pow(), sqrt();
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extern double fabs(), ceil(), floor();
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extern double gamma();
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extern double hypot(), cabs();
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extern double j0(), y0(), j1(), y1(), jn(), yn();
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extern double sin(), asin(), tan(), atan(), atan2(), cos(), acos();
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extern double sinh(), tanh(), cosh();
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1988-07-25 11:32:46 +00:00
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#endif
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1988-07-22 16:59:22 +00:00
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#define POLYNOM1(x, a) ((a)[1]*(x)+(a)[0])
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#define POLYNOM2(x, a) (POLYNOM1((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM3(x, a) (POLYNOM2((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM4(x, a) (POLYNOM3((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM5(x, a) (POLYNOM4((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM6(x, a) (POLYNOM5((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM7(x, a) (POLYNOM6((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM8(x, a) (POLYNOM7((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM9(x, a) (POLYNOM8((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM10(x, a) (POLYNOM9((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM11(x, a) (POLYNOM10((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM12(x, a) (POLYNOM11((x),(a)+1)*(x)+(a)[0])
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#define POLYNOM13(x, a) (POLYNOM12((x),(a)+1)*(x)+(a)[0])
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1991-09-04 16:18:23 +00:00
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#ifdef __vax
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1988-07-22 16:59:22 +00:00
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#define M_MAX_D 1.701411834604692293e+38
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#define M_MIN_D 2.938735877055718770e-39
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#define M_DEXPLEN 8
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#endif
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1991-09-04 16:18:23 +00:00
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#ifdef __pdp
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1988-07-22 16:59:22 +00:00
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#define M_MAX_D 1.701411834604692293e+38
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#define M_MIN_D 2.938735877055718770e-39
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#define M_DEXPLEN 8
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#endif
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#ifndef M_MAX_D
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1990-06-15 16:50:08 +00:00
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#define M_MAX_D 1.7976931348623157e+308
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#define M_MIN_D 2.2250738585072014e-308
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1988-07-22 16:59:22 +00:00
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#define M_DEXPLEN 11
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#endif
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1989-04-20 15:27:00 +00:00
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#define M_DMAXEXP ((1 << (M_DEXPLEN - 1)) - 1)
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1988-07-22 16:59:22 +00:00
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#define M_DMINEXP (-M_DMAXEXP)
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#define M_LN_MAX_D (M_LN2 * M_DMAXEXP)
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#define M_LN_MIN_D (M_LN2 * (M_DMINEXP - 1))
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#define HUGE M_MAX_D
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#define MAXDOUBLE M_MAX_D
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1991-10-25 14:44:21 +00:00
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#endif /* _MATH_H */
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