zig/src/softfloat_ext.cpp at master · DpEpsilon/zig

25 lines (22 loc) · 638 Bytes

#include "softfloat_ext.hpp"

extern "C" {

#include "softfloat.h"

}

void f128M_abs(const float128_t *aPtr, float128_t *zPtr) {

float128_t zero_float;

ui32_to_f128M(0, &zero_float);

if (f128M_lt(aPtr, &zero_float)) {

f128M_sub(&zero_float, aPtr, zPtr);

} else {

*zPtr = *aPtr;

}

void f128M_trunc(const float128_t *aPtr, float128_t *zPtr) {

float128_t zero_float;

ui32_to_f128M(0, &zero_float);

if (f128M_lt(aPtr, &zero_float)) {

f128M_roundToInt(aPtr, softfloat_round_max, false, zPtr);

} else {

f128M_roundToInt(aPtr, softfloat_round_min, false, zPtr);

}

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