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Fix simde_math_fpclass functions so they work. #1277

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Fix simde_math_fpclass functions so they work. #1277

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34 changes: 17 additions & 17 deletions simde/simde-math.h
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Original file line number Diff line number Diff line change
Expand Up @@ -454,7 +454,7 @@ simde_math_fpclassf(float v, const int imm8) {
fu.f = v;
uint32_t bits = fu.u;
uint8_t NegNum = (bits >> 31) & 1;
uint32_t const ExpMask = 0x3F800000; // [30:23]
uint32_t const ExpMask = 0x7F800000; // [30:23]
uint32_t const MantMask = 0x007FFFFF; // [22:0]
uint8_t ExpAllOnes = ((bits & ExpMask) == ExpMask);
uint8_t ExpAllZeros = ((bits & ExpMask) == 0);
Expand All @@ -471,14 +471,14 @@ simde_math_fpclassf(float v, const int imm8) {
uint8_t Denorm_res = ExpAllZeros & (!MantAllZeros);
uint8_t FinNeg_res = NegNum & (!ExpAllOnes) & (!ZeroNumber);
uint8_t sNaN_res = ExpAllOnes & (!MantAllZeros) & (!SignalingBit);
result = (((imm8 >> 0) & qNaN_res) | \
((imm8 >> 1) & Pzero_res) | \
((imm8 >> 2) & Nzero_res) | \
((imm8 >> 3) & Pinf_res) | \
((imm8 >> 4) & Ninf_res) | \
((imm8 >> 5) & Denorm_res) | \
((imm8 >> 6) & FinNeg_res) | \
((imm8 >> 7) & sNaN_res));
result = ((((imm8 >> 0) & qNaN_res) ? SIMDE_MATH_FP_QNAN : 0) | \
(((imm8 >> 1) & Pzero_res) ? SIMDE_MATH_FP_PZERO : 0) | \
(((imm8 >> 2) & Nzero_res) ? SIMDE_MATH_FP_NZERO : 0) | \
(((imm8 >> 3) & Pinf_res) ? SIMDE_MATH_FP_PINF : 0) | \
(((imm8 >> 4) & Ninf_res) ? SIMDE_MATH_FP_NINF : 0) | \
(((imm8 >> 5) & Denorm_res) ? SIMDE_MATH_FP_DENORMAL : 0) | \
(((imm8 >> 6) & FinNeg_res) ? SIMDE_MATH_FP_NEGATIVE : 0) | \
(((imm8 >> 7) & sNaN_res) ? SIMDE_MATH_FP_SNAN : 0)) ;
return result;
}

Expand Down Expand Up @@ -509,14 +509,14 @@ simde_math_fpclass(double v, const int imm8) {
uint8_t Denorm_res = ExpAllZeros & (!MantAllZeros);
uint8_t FinNeg_res = NegNum & (!ExpAllOnes) & (!ZeroNumber);
uint8_t sNaN_res = ExpAllOnes & (!MantAllZeros) & (!SignalingBit);
result = (((imm8 >> 0) & qNaN_res) | \
((imm8 >> 1) & Pzero_res) | \
((imm8 >> 2) & Nzero_res) | \
((imm8 >> 3) & Pinf_res) | \
((imm8 >> 4) & Ninf_res) | \
((imm8 >> 5) & Denorm_res) | \
((imm8 >> 6) & FinNeg_res) | \
((imm8 >> 7) & sNaN_res));
result = ((((imm8 >> 0) & qNaN_res) ? SIMDE_MATH_FP_QNAN : 0) | \
(((imm8 >> 1) & Pzero_res) ? SIMDE_MATH_FP_PZERO : 0) | \
(((imm8 >> 2) & Nzero_res) ? SIMDE_MATH_FP_NZERO : 0) | \
(((imm8 >> 3) & Pinf_res) ? SIMDE_MATH_FP_PINF : 0) | \
(((imm8 >> 4) & Ninf_res) ? SIMDE_MATH_FP_NINF : 0) | \
(((imm8 >> 5) & Denorm_res) ? SIMDE_MATH_FP_DENORMAL : 0) | \
(((imm8 >> 6) & FinNeg_res) ? SIMDE_MATH_FP_NEGATIVE : 0) | \
(((imm8 >> 7) & sNaN_res) ? SIMDE_MATH_FP_SNAN : 0)) ;
return result;
}

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