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hub / github.com/EricLengyel/Terathon-Math-Library / VecPositiveCeil

Function VecPositiveCeil

TSSimd.h:1410–1437  ·  view source on GitHub ↗

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1408 }
1409
1410 inline vec_float VecPositiveCeil(const vec_float& v)
1411 {
1412 #if defined(TERATHON_SSE)
1413
1414 #if defined(TERATHON_SSE4)
1415
1416 return (_mm_round_ps(v, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC));
1417
1418 #else
1419
1420 const vec_float one = VecLoadVectorConstant<0x3F800000>();
1421 const vec_float two23 = VecLoadVectorConstant<0x4B000000>();
1422
1423 vec_float result = _mm_sub_ps(_mm_add_ps(v, two23), two23);
1424 return (_mm_add_ps(result, _mm_and_ps(one, _mm_cmplt_ps(result, v))));
1425
1426 #endif
1427
1428 #elif defined(TERATHON_NEON)
1429
1430 const vec_uint32 one = vdupq_n_u32(0x3F800000);
1431 const vec_float two23 = vdupq_n_f32(8388608.0F);
1432
1433 vec_float result = vsubq_f32(vaddq_f32(v, two23), two23);
1434 return (vaddq_f32(result, vreinterpretq_f32_u32(vandq_u32(one, vcltq_f32(result, v)))));
1435
1436 #endif
1437 }
1438
1439 inline vec_float VecPositiveCeilScalar(const vec_float& v)
1440 {

Callers

nothing calls this directly

Calls

no outgoing calls

Tested by

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