diff options
Diffstat (limited to 'usr/src/lib/libbc/inc/include/floatingpoint.h')
| -rw-r--r-- | usr/src/lib/libbc/inc/include/floatingpoint.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/usr/src/lib/libbc/inc/include/floatingpoint.h b/usr/src/lib/libbc/inc/include/floatingpoint.h deleted file mode 100644 index 251bb3003f..0000000000 --- a/usr/src/lib/libbc/inc/include/floatingpoint.h +++ /dev/null @@ -1,197 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * Copyright (c) 1988 by Sun Microsystems, Inc. - */ - -/* - * IEEE floating-point definitions for constants, types, variables, and - * functions implemented in libc.a for: IEEE floating-point arithmetic base - * conversion; IEEE floating-point arithmetic modes; IEEE floating-point - * arithmetic exception handling; certain functions defined in 4.3 BSD and - * System V. - */ - -#ifndef _floatingpoint_h -#define _floatingpoint_h - -#include <sys/ieeefp.h> - -/* Sun TYPES for IEEE floating point. */ - -typedef float single; -typedef unsigned long extended[3]; /* MC68881/i80387 double-extended type. */ -#ifdef __STDC__ -typedef long double quadruple; /* Quadruple-precision type. */ -#else -typedef struct { - unsigned long u[4]; -} quadruple; /* Quadruple-precision type. */ -#endif - -#define N_IEEE_EXCEPTION 5 /* Number of floating-point exceptions. */ - -typedef unsigned fp_exception_field_type; -/* - * A field containing fp_exceptions OR'ed together. - */ - -typedef int sigfpe_code_type; /* Type of SIGFPE code. */ - -typedef void (*sigfpe_handler_type) (); -/* Pointer to exception handler function. */ - -#define SIGFPE_DEFAULT (void (*)())0 /* default exception handling */ -#define SIGFPE_IGNORE (void (*)())1 /* ignore this exception or code */ -#define SIGFPE_ABORT (void (*)())2 /* force abort on exception */ - -/* Sun VARIABLES for IEEE floating point. */ - -extern enum fp_direction_type fp_direction; -/* - * Current rounding direction. Updated by ieee_flags. - */ - -extern enum fp_precision_type fp_precision; -/* - * Current rounding precision. Updated by ieee_flags. - */ - -extern fp_exception_field_type fp_accrued_exceptions; -/* - * Sticky accumulated exceptions, updated by ieee_flags. In hardware - * implementations this variable is not automatically updated as the hardware - * changes and should therefore not be relied on directly. - */ - -/* Sun definitions for base conversion. */ - -#define DECIMAL_STRING_LENGTH 512 -/* Size of buffer in decimal_record. */ - -typedef char decimal_string[DECIMAL_STRING_LENGTH]; -/* Decimal significand. */ - -typedef struct { - enum fp_class_type fpclass; - int sign; - int exponent; - decimal_string ds; /* Significand - each char contains an ascii - * digit, except the string-terminating ascii - * null. */ - int more; /* On conversion from decimal to binary, != 0 - * indicates more non-zero digits following - * ds. */ - int ndigits;/* On fixed_form conversion from binary to - * decimal, contains number of digits - * required for ds. */ -} - decimal_record; - -enum decimal_form { - fixed_form, /* Fortran F format: ndigits specifies number - * of digits after point; if negative, - * specifies rounding to occur to left of - * point. */ - floating_form /* Fortran E format: ndigits specifies number - * of significant digits. */ -}; - -typedef struct { - enum fp_direction_type rd; - /* Rounding direction. */ - enum decimal_form df; /* Format for binary to decimal conversion. */ - int ndigits;/* Number of digits for conversion. */ -} - decimal_mode; - -enum decimal_string_form { /* Valid decimal number string formats. */ - invalid_form, /* Not a valid decimal string format. */ - whitespace_form, /* All white space - valid in Fortran! */ - fixed_int_form, /* <digs> */ - fixed_intdot_form, /* <digs>. */ - fixed_dotfrac_form, /* .<digs> */ - fixed_intdotfrac_form, /* <digs>.<frac> */ - floating_int_form, /* <digs><exp> */ - floating_intdot_form, /* <digs>.<exp> */ - floating_dotfrac_form, /* .<digs><exp> */ - floating_intdotfrac_form, /* <digs>.<digs><exp> */ - inf_form, /* inf */ - infinity_form, /* infinity */ - nan_form, /* nan */ - nanstring_form /* nan(string) */ -}; - -/* The following externs are used in the implementation of sprintf. */ - -extern void double_to_decimal(); -extern void quadruple_to_decimal(); -extern char *econvert(); -extern char *fconvert(); -extern char *gconvert(); -extern char *qeconvert(); -extern char *qfconvert(); -extern char *qgconvert(); - -/* - The following are used for other parts of base conversion. -*/ - -extern sigfpe_handler_type ieee_handlers[N_IEEE_EXCEPTION]; -/* - * Array of pointers to functions to handle SIGFPE's corresponding to IEEE - * fp_exceptions. sigfpe_default means do not generate SIGFPE. An invalid - * address such as sigfpe_abort will cause abort on that SIGFPE. Updated by - * ieee_handler. - */ - -extern sigfpe_handler_type sigfpe(); - -extern void single_to_decimal(); -extern void extended_to_decimal(); - -extern void decimal_to_single(); -extern void decimal_to_double(); -extern void decimal_to_extended(); -extern void decimal_to_quadruple(); - -extern char *seconvert(); -extern char *sfconvert(); -extern char *sgconvert(); - -extern void string_to_decimal(); -extern void file_to_decimal(); -extern void func_to_decimal(); - -/* Definitions from 4.3 BSD math.h 4.6 9/11/85 */ - -extern double atof(); - -/* Definitions from System V */ - -extern int errno; - -extern double strtod(); - -#endif /* !_floatingpoint_h */ |