GeoAssertNoFpContract Struct Reference

add GEO_FP_CONTRACT_OFF at the beginning of files or functions where FMA operations should not be generated in place of a*b+c More...

#include <geogram/basic/numeric.h>

Public Member Functions
	__attribute__ ((noipa)) static double a2plusb(double a

Static Public Member Functions
static bool	fp_contraction_enabled ()

Public Attributes
double	b

Detailed Description

add GEO_FP_CONTRACT_OFF at the beginning of files or functions where FMA operations should not be generated in place of a*b+c

it is important for instance for geometric predicates, that rely on strict IEEE754 implementation of product and addition.

Definition at line 430 of file numeric.h.

Constructor & Destructor Documentation

GeoAssertNoFpContract()

GeoAssertNoFpContract::GeoAssertNoFpContract ( )

inline

Definition at line 431 of file numeric.h.

Member Function Documentation

fp_contraction_enabled()

static bool GeoAssertNoFpContract::fp_contraction_enabled ( )

inlinestatic

Definition at line 442 of file numeric.h.

Member Data Documentation

b

double GeoAssertNoFpContract::b

Initial value:

{
        return a * a + b

Definition at line 445 of file numeric.h.

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The documentation for this struct was generated from the following file:

• geogram/basic/numeric.h