Full FPU implementation (adapted from UAE)

[pistorm] / softfloat / fpu_constant.h

diff --git a/softfloat/fpu_constant.h b/softfloat/fpu_constant.h
deleted file mode 100644 (file)
index fdd9719..0000000
--- a/softfloat/fpu_constant.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*============================================================================
-This source file is an extension to the SoftFloat IEC/IEEE Floating-point
-Arithmetic Package, Release 2b, written for Bochs (x86 achitecture simulator)
-floating point emulation.
-
-THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
-been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
-RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
-AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
-INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
-
-Derivative works are acceptable, even for commercial purposes, so long as
-(1) the source code for the derivative work includes prominent notice that
-the work is derivative, and (2) the source code includes prominent notice with
-these four paragraphs for those parts of this code that are retained.
-=============================================================================*/
-
-#ifndef _FPU_CONSTANTS_H_
-#define _FPU_CONSTANTS_H_
-
-// Pentium CPU uses only 68-bit precision M_PI approximation
-#define BETTER_THAN_PENTIUM
-
-/*============================================================================
- * Written for Bochs (x86 achitecture simulator) by
- *            Stanislav Shwartsman [sshwarts at sourceforge net]
- * ==========================================================================*/
-
-//////////////////////////////
-// PI, PI/2, PI/4 constants
-//////////////////////////////
-
-#define FLOATX80_PI_EXP  (0x4000)
-
-// 128-bit PI fraction
-#ifdef BETTER_THAN_PENTIUM
-#define FLOAT_PI_HI (0xc90fdaa22168c234U)
-#define FLOAT_PI_LO (0xc4c6628b80dc1cd1U)
-#else
-#define FLOAT_PI_HI (0xc90fdaa22168c234U)
-#define FLOAT_PI_LO (0xC000000000000000U)
-#endif
-
-#define FLOATX80_PI2_EXP  (0x3FFF)
-#define FLOATX80_PI4_EXP  (0x3FFE)
-
-//////////////////////////////
-// 3PI/4 constant
-//////////////////////////////
-
-#define FLOATX80_3PI4_EXP (0x4000)
-
-// 128-bit 3PI/4 fraction
-#ifdef BETTER_THAN_PENTIUM
-#define FLOAT_3PI4_HI (0x96cbe3f9990e91a7U)
-#define FLOAT_3PI4_LO (0x9394c9e8a0a5159cU)
-#else
-#define FLOAT_3PI4_HI (0x96cbe3f9990e91a7U)
-#define FLOAT_3PI4_LO (0x9000000000000000U)
-#endif
-
-//////////////////////////////
-// 1/LN2 constant
-//////////////////////////////
-
-#define FLOAT_LN2INV_EXP  (0x3FFF)
-
-// 128-bit 1/LN2 fraction
-#ifdef BETTER_THAN_PENTIUM
-#define FLOAT_LN2INV_HI (0xb8aa3b295c17f0bbU)
-#define FLOAT_LN2INV_LO (0xbe87fed0691d3e89U)
-#else
-#define FLOAT_LN2INV_HI (0xb8aa3b295c17f0bbU)
-#define FLOAT_LN2INV_LO (0xC000000000000000U)
-#endif
-
-#endif