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Float-point library implementation #733

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Merged
merged 4 commits into from
Jun 19, 2017
Merged

Float-point library implementation #733

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9f23c25
A first cut at the additions we need to the math library.
Dec 13, 2016
0777675
An alternative implementation to avoid the difference between RNE and…
Dec 18, 2016
e821efe
Fix special cases for the remainder functions, now down to 4 failures!
Dec 18, 2016
45d7f08
Support "polymorphic" floating-point functions, fix typos
tautschnig Dec 19, 2016
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12 changes: 12 additions & 0 deletions src/ansi-c/ansi_c_internal_additions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,18 @@ void ansi_c_internal_additions(std::string &code)
"long double __CPROVER_infl(void);\n"
"int __CPROVER_thread_local __CPROVER_rounding_mode="+
std::to_string(config.ansi_c.rounding_mode)+";\n"
"int __CPROVER_isgreaterf(float f, float g);\n"
"int __CPROVER_isgreaterd(double f, double g);\n"
"int __CPROVER_isgreaterequalf(float f, float g);\n"
"int __CPROVER_isgreaterequald(double f, double g);\n"
"int __CPROVER_islessf(float f, float g);\n"
"int __CPROVER_islessd(double f, double g);\n"
"int __CPROVER_islessequalf(float f, float g);\n"
"int __CPROVER_islessequald(double f, double g);\n"
"int __CPROVER_islessgreaterf(float f, float g);\n"
"int __CPROVER_islessgreaterd(double f, double g);\n"
"int __CPROVER_isunorderedf(float f, float g);\n"
"int __CPROVER_isunorderedd(double f, double g);\n"

// absolute value
"int __CPROVER_abs(int x);\n"
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1 change: 1 addition & 0 deletions src/ansi-c/library/cprover.h
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Expand Up @@ -92,6 +92,7 @@ double __CPROVER_inf(void);
float __CPROVER_inff(void);
long double __CPROVER_infl(void);
//extern int __CPROVER_thread_local __CPROVER_rounding_mode;
int __CPROVER_isgreaterd(double f, double g);

// absolute value
int __CPROVER_abs(int);
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