diff options
author | polwex <polwex@sortug.com> | 2025-10-05 21:56:51 +0700 |
---|---|---|
committer | polwex <polwex@sortug.com> | 2025-10-05 21:56:51 +0700 |
commit | fcedfddf00b3f994e4f4e40332ac7fc192c63244 (patch) | |
tree | 51d38e62c7bdfcc5f9a5e9435fe820c93cfc9a3d /vere/ext/nasm/asm/floats.h |
claude is gud
Diffstat (limited to 'vere/ext/nasm/asm/floats.h')
-rw-r--r-- | vere/ext/nasm/asm/floats.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/vere/ext/nasm/asm/floats.h b/vere/ext/nasm/asm/floats.h new file mode 100644 index 0000000..c463513 --- /dev/null +++ b/vere/ext/nasm/asm/floats.h @@ -0,0 +1,67 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 1996-2020 The NASM Authors - All Rights Reserved + * See the file AUTHORS included with the NASM distribution for + * the specific copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following + * conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * ----------------------------------------------------------------------- */ + +/* + * floats.h header file for the floating-point constant module of + * the Netwide Assembler + */ + +#ifndef NASM_FLOATS_H +#define NASM_FLOATS_H + +#include "nasm.h" + +enum float_round { + FLOAT_RC_NEAR, + FLOAT_RC_ZERO, + FLOAT_RC_DOWN, + FLOAT_RC_UP +}; + +/* Note: enum floatize and FLOAT_ERR are defined in nasm.h */ + +/* Floating-point format description */ +struct ieee_format { + int bytes; /* Total bytes */ + int mantissa; /* Fractional bits in the mantissa */ + int explicit; /* Explicit integer */ + int exponent; /* Bits in the exponent */ + int offset; /* Offset into byte array for floatize op */ +}; +extern const struct ieee_format fp_formats[FLOAT_ERR]; + +int float_const(const char *str, int s, uint8_t *result, enum floatize ffmt); +enum floatize float_deffmt(int bytes); +int float_option(const char *option); + +#endif /* NASM_FLOATS_H */ |