Changes to vendor/decNumber/decimal128.h. All files

vendor/decNumber/decimal128.h

new file mode 100644@@ -0,0 +1,81 @@+/* ------------------------------------------------------------------ */
+/* Decimal 128-bit format module header                               */
+/* ------------------------------------------------------------------ */
+/* Copyright (c) IBM Corporation, 2000, 2005.  All rights reserved.   */
+/*                                                                    */
+/* This software is made available under the terms of the             */
+/* ICU License -- ICU 1.8.1 and later.                                */
+/*                                                                    */
+/* The description and User's Guide ("The decNumber C Library") for   */
+/* this software is called decNumber.pdf.  This document is           */
+/* available, together with arithmetic and format specifications,     */
+/* testcases, and Web links, on the General Decimal Arithmetic page.  */
+/*                                                                    */
+/* Please send comments, suggestions, and corrections to the author:  */
+/*   mfc@uk.ibm.com                                                   */
+/*   Mike Cowlishaw, IBM Fellow                                       */
+/*   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         */
+/* ------------------------------------------------------------------ */
+
+#if !defined(DECIMAL128)
+  #define DECIMAL128
+  #define DEC128NAME     "decimal128"                 /* Short name   */
+  #define DEC128FULLNAME "Decimal 128-bit Number"     /* Verbose name */
+  #define DEC128AUTHOR   "Mike Cowlishaw"             /* Who to blame */
+
+  /* parameters for decimal128s */
+  #define DECIMAL128_Bytes  16          /* length                     */
+  #define DECIMAL128_Pmax   34          /* maximum precision (digits) */
+  #define DECIMAL128_Emax   6144        /* maximum adjusted exponent  */
+  #define DECIMAL128_Emin  -6143        /* minimum adjusted exponent  */
+  #define DECIMAL128_Bias   6176        /* bias for the exponent      */
+  #define DECIMAL128_String 43          /* maximum string length, +1  */
+  #define DECIMAL128_EconL  12          /* exp. continuation length   */
+  /* highest biased exponent (Elimit-1)                               */
+  #define DECIMAL128_Ehigh  (DECIMAL128_Emax+DECIMAL128_Bias-DECIMAL128_Pmax+1)
+
+  /* check enough digits, if pre-defined                              */
+  #if defined(DECNUMDIGITS)
+    #if (DECNUMDIGITS<DECIMAL128_Pmax)
+      #error decimal128.h needs pre-defined DECNUMDIGITS>=34 for safe use
+    #endif
+  #endif
+
+  #ifndef DECNUMDIGITS
+    #define DECNUMDIGITS DECIMAL128_Pmax /* size if not already defined*/
+  #endif
+  #ifndef DECNUMBER
+    #include "decNumber.h"              /* context and number library */
+  #endif
+
+  /* Decimal 128-bit type, accessible by bytes                        */
+  typedef struct {
+    uint8_t bytes[DECIMAL128_Bytes]; /* decimal128: 1, 5, 12, 110 bits*/
+    } decimal128;
+
+  /* special values [top byte excluding sign bit; last two bits are   */
+  /* don't-care for Infinity on input, last bit don't-care for NaN]   */
+  #if !defined(DECIMAL_NaN)
+    #define DECIMAL_NaN     0x7c        /* 0 11111 00 NaN             */
+    #define DECIMAL_sNaN    0x7e        /* 0 11111 10 sNaN            */
+    #define DECIMAL_Inf     0x78        /* 0 11110 00 Infinity        */
+  #endif
+
+  /* ---------------------------------------------------------------- */
+  /* Routines                                                         */
+  /* ---------------------------------------------------------------- */
+  /* String conversions                                               */
+  decimal128 * decimal128FromString(decimal128 *, const char *, decContext *);
+  char * decimal128ToString(const decimal128 *, char *);
+  char * decimal128ToEngString(const decimal128 *, char *);
+
+  /* decNumber conversions                                            */
+  decimal128 * decimal128FromNumber(decimal128 *, const decNumber *,
+                                    decContext *);
+  decNumber * decimal128ToNumber(const decimal128 *, decNumber *);
+
+  /* Format-dependent utilities                                       */
+  uint32_t    decimal128IsCanonical(const decimal128 *);
+  decimal128 * decimal128Canonical(decimal128 *, const decimal128 *);
+
+#endif