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[plan9front.git] / arm / include / ape / math.h

diff --git a/arm/include/ape/math.h b/arm/include/ape/math.h
new file mode 100644 (file)
index 0000000..5fa3748
--- /dev/null
+++ b/arm/include/ape/math.h
@@ -0,0 +1,77 @@
+#ifndef __MATH
+#define __MATH
+#pragma lib "/$M/lib/ape/libap.a"
+
+/* a HUGE_VAL appropriate for IEEE double-precision */
+/* the correct value, 1.797693134862316e+308, causes a ken overflow */
+#define HUGE_VAL 1.79769313486231e+308
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern double acos(double);
+extern double asin(double);
+extern double atan(double);
+extern double atan2(double, double);
+extern double cos(double);
+extern double sin(double);
+extern double tan(double);
+extern double cosh(double);
+extern double sinh(double);
+extern double tanh(double);
+extern double exp(double);
+extern double frexp(double, int *);
+extern double ldexp(double, int);
+extern double log(double);
+extern double log10(double);
+extern double modf(double, double *);
+extern double pow(double, double);
+extern double sqrt(double);
+extern double ceil(double);
+extern double fabs(double);
+extern double floor(double);
+extern double fmod(double, double);
+extern double NaN(void);
+extern int isNaN(double);
+extern double Inf(int);
+extern int isInf(double, int);
+
+#ifdef _RESEARCH_SOURCE
+/* does >> treat left operand as unsigned ? */
+#define Unsigned_Shifts 1
+#define        M_E             2.7182818284590452354   /* e */
+#define        M_LOG2E         1.4426950408889634074   /* log 2e */
+#define        M_LOG10E        0.43429448190325182765  /* log 10e */
+#define        M_LN2           0.69314718055994530942  /* log e2 */
+#define        M_LN10          2.30258509299404568402  /* log e10 */
+#define        M_PI            3.14159265358979323846  /* pi */
+#define        M_PI_2          1.57079632679489661923  /* pi/2 */
+#define        M_PI_4          0.78539816339744830962  /* pi/4 */
+#define        M_1_PI          0.31830988618379067154  /* 1/pi */
+#define        M_2_PI          0.63661977236758134308  /* 2/pi */
+#define        M_2_SQRTPI      1.12837916709551257390  /* 2/sqrt(pi) */
+#define        M_SQRT2         1.41421356237309504880  /* sqrt(2) */
+#define        M_SQRT1_2       0.70710678118654752440  /* 1/sqrt(2) */
+
+extern double hypot(double, double);
+extern double erf(double);
+extern double erfc(double);
+extern double j0(double);
+extern double y0(double);
+extern double j1(double);
+extern double y1(double);
+extern double jn(int, double);
+extern double yn(int, double);
+
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#define isnan(x) isNaN(x)
+#define isinf(x) isInf(x)
+
+#endif /* __MATH */