📄 makereal
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#
# This makefile is designed to make only the bp program AND TO KEEP
# all the .obj files, so you can apply changes to one file without
# recompiling all the others.
#
# Below, where I say 32-bit floating point or 64-bit floating point,
# note that all the programs use some floating point instructions even
# the integer versions, bp and sbp. In standard UNIX C all floating
# point arithmetic is done as double so using double values actually is
# faster than using float values (because all the conversions take
# time). To use float rather than double define FLOAT like so: -DFLOAT
#
# To get the compiler to use 32-bit DOS settings include: -DDOS32
# To get the compiler to use 16-bit DOS settings include: -DDOS16
#
# Below are the settings I've been using for Zortech C 3.1. The -f flag
# in the Zortech CFLAGS forces hardware floating point instructions to
# be generated. This flag also has the compiler generate code compatible
# with the IEEE standard 754 where checks are make that comparisons
# involving NaNs are handled correctly. To avoid these checks you can
# use -ff and the code will be around 1.6% faster on a 486/33. Zortech
# 3.0 does not have the -ff option. The -o is for optimize, -m is used
# to give the memory model, -4 for a 486, -3 for a 386, -2 for a 286.
#
# use the following line for DOS/ZORTECH (486)
CFLAGS= -mx -4 -f -DFLOAT -DDOS32
# use the following line for DOS/ZORTECH (386)
#CFLAGS= -mx -3 -f -DFLOAT -DDOS32
# use the following line for DOS/ZORTECH (286)
#CFLAGS= -mz -2 -f -DFLOAT -DDOS16
# use the following line for DOS/ZORTECH (8088) large memory model
#CFLAGS= -ml -f -DFLOAT -DDOS16
bp: bp.obj io.obj misc.obj real.obj makereal rbp.h
ztc $(CFLAGS) bp.obj io.obj misc.obj real.obj -obp.exe
bp.obj: bp.c rbp.h makereal
ztc $(CFLAGS) bp.c -c
io.obj: io.c rbp.h makereal
ztc $(CFLAGS) io.c -c -o
misc.obj: misc.c rbp.h makereal
ztc $(CFLAGS) misc.c -c -o
real.obj: real.c rbp.h makereal
ztc $(CFLAGS) real.c -c -o
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