forked from Github_Repos/cvw
Removed outdated sample testfloat calls
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# Makefile
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CC = gcc
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CFLAGS = -O3
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LIBS = -lm
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LFLAGS = -L.
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IFLAGS = -I../../../addins/SoftFloat-3e/source/include/
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LIBS = ../../../addins/SoftFloat-3e/build/Linux-x86_64-GCC/softfloat.a
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SRCS = $(wildcard *.c)
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PROGS = $(patsubst %.c,%,$(SRCS))
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all: $(PROGS)
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%: %.c
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$(CC) $(CFLAGS) $(IFLAGS) $(LFLAGS) -o $@ $< $(LIBS)
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clean:
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rm -f $(PROGS)
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#include <stdio.h>
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#include <stdint.h>
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#include "softfloat.h"
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#include "softfloat_types.h"
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int float_rounding_mode = 0;
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union dp {
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unsigned short x[4];
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double y;
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} X;
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int main()
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{
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uint8_t rounding_mode;
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uint8_t exceptions;
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uint64_t n, d, result;
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float64_t d_n, d_d, d_result;
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n = 0x3feffffffefffff6;
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d = 0xffeffffffffffffe;
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//n = 0x00000000400001ff;
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//d = 0x3ffffdfffffffbfe;
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d_n.v = n;
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d_d.v = d;
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softfloat_roundingMode = rounding_mode;
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softfloat_exceptionFlags = 0;
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softfloat_detectTininess = softfloat_tininess_beforeRounding;
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d_result = f64_div(d_n, d_d);
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//result = d_result.v;
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//exceptions = softfloat_exceptionFlags & 0x1f;
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X.x[3] = (d_result.v & 0xffff000000000000) >> 48;
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X.x[2] = (d_result.v & 0x0000ffff00000000) >> 32;
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X.x[1] = (d_result.v & 0x00000000ffff0000) >> 16;
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X.x[0] = (d_result.v & 0x000000000000ffff);
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printf("Number = %.4x\n", X.x[3]);
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printf("Number = %.4x\n", X.x[2]);
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printf("Number = %.4x\n", X.x[1]);
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printf("Number = %.4x\n", X.x[0]);
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printf("Number = %1.25lg\n", X.y);
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return 0;
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}
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@ -1,47 +0,0 @@
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#include <stdio.h>
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#include <stdint.h>
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#include "softfloat.h"
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#include "softfloat_types.h"
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int float_rounding_mode = 0;
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union sp {
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unsigned short x[2];
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float y;
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} X;
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int main()
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{
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uint8_t rounding_mode;
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uint8_t exceptions;
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uint32_t multiplier, multiplicand, addend, result;
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float32_t f_multiplier, f_multiplicand, f_addend, f_result;
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multiplier = 0xbf800000;
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multiplicand = 0xbf800000;
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addend = 0xffaaaaaa;
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f_multiplier.v = multiplier;
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f_multiplicand.v = multiplicand;
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f_addend.v = addend;
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softfloat_roundingMode = rounding_mode;
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softfloat_exceptionFlags = 0;
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softfloat_detectTininess = softfloat_tininess_beforeRounding;
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f_result = f32_mulAdd(f_multiplier, f_multiplicand, f_addend);
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result = f_result.v;
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exceptions = softfloat_exceptionFlags & 0x1f;
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printf("%x\n", f_result.v);
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// Print out SP number
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X.x[1] = (f_result.v & 0xffff0000) >> 16;
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X.x[0] = (f_result.v & 0x0000ffff);
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printf("Number = %f\n", X.y);
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return 0;
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}
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