35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* localmath.h - This header is used by the mathematical library.
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*/
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/* $Id$ */
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/* macros for constructing polynomials */
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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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/* These are set up for 64-bit doubles. */
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#ifndef M_MAX_D
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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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#define M_DEXPLEN 11
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#endif
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#define M_DMAXEXP ((1 << (M_DEXPLEN - 1)) - 1)
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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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