diff options
Diffstat (limited to 'src/ARMeilleure/Instructions/SoftFloat.cs')
| -rw-r--r-- | src/ARMeilleure/Instructions/SoftFloat.cs | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/src/ARMeilleure/Instructions/SoftFloat.cs b/src/ARMeilleure/Instructions/SoftFloat.cs index e8f44ce3..05975d04 100644 --- a/src/ARMeilleure/Instructions/SoftFloat.cs +++ b/src/ARMeilleure/Instructions/SoftFloat.cs @@ -175,10 +175,10 @@ namespace ARMeilleure.Instructions public static ushort FPRoundCv(double real, ExecutionContext context) { - const int minimumExp = -14; + const int MinimumExp = -14; - const int e = 5; - const int f = 10; + const int E = 5; + const int F = 10; bool sign; double mantissa; @@ -208,15 +208,15 @@ namespace ARMeilleure.Instructions exponent++; } - uint biasedExp = (uint)Math.Max(exponent - minimumExp + 1, 0); + uint biasedExp = (uint)Math.Max(exponent - MinimumExp + 1, 0); if (biasedExp == 0u) { - mantissa /= Math.Pow(2d, minimumExp - exponent); + mantissa /= Math.Pow(2d, MinimumExp - exponent); } - uint intMant = (uint)Math.Floor(mantissa * Math.Pow(2d, f)); - double error = mantissa * Math.Pow(2d, f) - (double)intMant; + uint intMant = (uint)Math.Floor(mantissa * Math.Pow(2d, F)); + double error = mantissa * Math.Pow(2d, F) - (double)intMant; if (biasedExp == 0u && (error != 0d || (context.Fpcr & FPCR.Ufe) != 0)) { @@ -256,12 +256,12 @@ namespace ARMeilleure.Instructions { intMant++; - if (intMant == 1u << f) + if (intMant == 1u << F) { biasedExp = 1u; } - if (intMant == 1u << (f + 1)) + if (intMant == 1u << (F + 1)) { biasedExp++; intMant >>= 1; @@ -272,7 +272,7 @@ namespace ARMeilleure.Instructions if ((context.Fpcr & FPCR.Ahp) == 0) { - if (biasedExp >= (1u << e) - 1u) + if (biasedExp >= (1u << E) - 1u) { resultBits = overflowToInf ? FPInfinity(sign) : FPMaxNormal(sign); @@ -287,7 +287,7 @@ namespace ARMeilleure.Instructions } else { - if (biasedExp >= 1u << e) + if (biasedExp >= 1u << E) { resultBits = (ushort)((sign ? 1u : 0u) << 15 | 0x7FFFu); @@ -354,10 +354,10 @@ namespace ARMeilleure.Instructions private static float FPRoundCv(double real, ExecutionContext context) { - const int minimumExp = -126; + const int MinimumExp = -126; - const int e = 8; - const int f = 23; + const int E = 8; + const int F = 23; bool sign; double mantissa; @@ -387,22 +387,22 @@ namespace ARMeilleure.Instructions exponent++; } - if ((context.Fpcr & FPCR.Fz) != 0 && exponent < minimumExp) + if ((context.Fpcr & FPCR.Fz) != 0 && exponent < MinimumExp) { context.Fpsr |= FPSR.Ufc; return SoftFloat32.FPZero(sign); } - uint biasedExp = (uint)Math.Max(exponent - minimumExp + 1, 0); + uint biasedExp = (uint)Math.Max(exponent - MinimumExp + 1, 0); if (biasedExp == 0u) { - mantissa /= Math.Pow(2d, minimumExp - exponent); + mantissa /= Math.Pow(2d, MinimumExp - exponent); } - uint intMant = (uint)Math.Floor(mantissa * Math.Pow(2d, f)); - double error = mantissa * Math.Pow(2d, f) - (double)intMant; + uint intMant = (uint)Math.Floor(mantissa * Math.Pow(2d, F)); + double error = mantissa * Math.Pow(2d, F) - (double)intMant; if (biasedExp == 0u && (error != 0d || (context.Fpcr & FPCR.Ufe) != 0)) { @@ -442,12 +442,12 @@ namespace ARMeilleure.Instructions { intMant++; - if (intMant == 1u << f) + if (intMant == 1u << F) { biasedExp = 1u; } - if (intMant == 1u << (f + 1)) + if (intMant == 1u << (F + 1)) { biasedExp++; intMant >>= 1; @@ -456,7 +456,7 @@ namespace ARMeilleure.Instructions float result; - if (biasedExp >= (1u << e) - 1u) + if (biasedExp >= (1u << E) - 1u) { result = overflowToInf ? SoftFloat32.FPInfinity(sign) : SoftFloat32.FPMaxNormal(sign); @@ -529,10 +529,10 @@ namespace ARMeilleure.Instructions private static double FPRoundCv(double real, ExecutionContext context) { - const int minimumExp = -1022; + const int MinimumExp = -1022; - const int e = 11; - const int f = 52; + const int E = 11; + const int F = 52; bool sign; double mantissa; @@ -562,22 +562,22 @@ namespace ARMeilleure.Instructions exponent++; } - if ((context.Fpcr & FPCR.Fz) != 0 && exponent < minimumExp) + if ((context.Fpcr & FPCR.Fz) != 0 && exponent < MinimumExp) { context.Fpsr |= FPSR.Ufc; return SoftFloat64.FPZero(sign); } - uint biasedExp = (uint)Math.Max(exponent - minimumExp + 1, 0); + uint biasedExp = (uint)Math.Max(exponent - MinimumExp + 1, 0); if (biasedExp == 0u) { - mantissa /= Math.Pow(2d, minimumExp - exponent); + mantissa /= Math.Pow(2d, MinimumExp - exponent); } - ulong intMant = (ulong)Math.Floor(mantissa * Math.Pow(2d, f)); - double error = mantissa * Math.Pow(2d, f) - (double)intMant; + ulong intMant = (ulong)Math.Floor(mantissa * Math.Pow(2d, F)); + double error = mantissa * Math.Pow(2d, F) - (double)intMant; if (biasedExp == 0u && (error != 0d || (context.Fpcr & FPCR.Ufe) != 0)) { @@ -617,12 +617,12 @@ namespace ARMeilleure.Instructions { intMant++; - if (intMant == 1ul << f) + if (intMant == 1ul << F) { biasedExp = 1u; } - if (intMant == 1ul << (f + 1)) + if (intMant == 1ul << (F + 1)) { biasedExp++; intMant >>= 1; @@ -631,7 +631,7 @@ namespace ARMeilleure.Instructions double result; - if (biasedExp >= (1u << e) - 1u) + if (biasedExp >= (1u << E) - 1u) { result = overflowToInf ? SoftFloat64.FPInfinity(sign) : SoftFloat64.FPMaxNormal(sign); |