2000-02-18 03:39:52 +08:00
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#ifndef __ZMATH_H
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#define __ZMATH_H
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#include <errno.h>
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#define NUM 3
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#define NAN 2
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#define INF 1
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#define __PI 3.14159265358979323846
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#define __SQRT_HALF 0.70710678118654752440
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#define __PI_OVER_TWO 1.57079632679489661923132
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extern double BIGX;
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extern double SMALLX;
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typedef const union
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{
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long l[2];
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double d;
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} udouble;
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typedef const union
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{
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long l;
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float f;
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} ufloat;
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extern double BIGX;
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extern double SMALLX;
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extern udouble z_infinity;
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extern udouble z_notanum;
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extern double z_rooteps;
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extern ufloat z_infinity_f;
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extern ufloat z_notanum_f;
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extern float z_rooteps_f;
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/* Core math routines. */
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2017-12-04 13:54:48 +08:00
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int numtest (double);
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int numtestf (float);
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double logarithm (double, int);
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float logarithmf (float, int);
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double sine (double, int);
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float sinef (float, int);
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double asine (double, int);
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float asinef (float, int);
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double atangent (double, double, double, int);
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float atangentf (float, float, float, int);
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double sineh (double, int);
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float sinehf (float, int);
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2000-02-18 03:39:52 +08:00
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#endif /* no __ZMATH_H */
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