Don't use compile-time long double arithmetic in src/gentables

Author: white-axe

src/gentables/fluid_cb2amp.cpp

@@ -2,6 +2,7 @@
 #include "utils/fluid_conv_tables.h"
 #include "gentables/ConstExprArr.hpp"
 
+#define GCEM_E static_cast<double>(2.7182818284590452353602874713526624977572L)
 #include "gcem.hpp"
 
 struct Cb2AmpFunctor
@@ -13,7 +14,7 @@ struct Cb2AmpFunctor
          * between 0 and 144 dB. Therefore a negative attenuation is
          * not allowed.
          */
-       return gcem::pow(10.0L, static_cast<fluid_real_t>(i) / -200.0L);
+       return gcem::pow(10.0, static_cast<fluid_real_t>(i) / -200.0);
     }
 };
 

src/gentables/fluid_concave.cpp

@@ -14,7 +14,7 @@ struct ConcaveFunctor
             ? 0
             : ((i == FLUID_VEL_CB_SIZE - 1)
                 ? 1
-                : ((-200.0L * 2 / FLUID_PEAK_ATTENUATION) * gcem::log(((FLUID_VEL_CB_SIZE - 1) - i) / (FLUID_VEL_CB_SIZE - 1.0L)) / GCEM_LOG_10)
+                : ((-200.0 * 2 / FLUID_PEAK_ATTENUATION) * gcem::log(((FLUID_VEL_CB_SIZE - 1) - i) / (FLUID_VEL_CB_SIZE - 1.0)) / static_cast<double>(GCEM_LOG_10))
                 ));
     }
 };

src/gentables/fluid_convex.cpp

@@ -14,7 +14,7 @@ struct ConvexFunctor
             ? 0
             : ((i == FLUID_VEL_CB_SIZE - 1)
                 ? 1
-                : (1.0L - ((-200.0L * 2 / FLUID_PEAK_ATTENUATION) * gcem::log(i / (FLUID_VEL_CB_SIZE - 1.0L)) / GCEM_LOG_10))
+                : (1.0 - ((-200.0 * 2 / FLUID_PEAK_ATTENUATION) * gcem::log(i / (FLUID_VEL_CB_SIZE - 1.0)) / static_cast<double>(GCEM_LOG_10)))
                 ));
     }
 };

src/gentables/fluid_interp_coeff_sinc7.cpp

@@ -66,7 +66,7 @@ struct InterpSincFunctor
 #define I (i % SINC_INTERP_ORDER)
 #define x ((fluid_real_t)I_NUM / (fluid_real_t)FLUID_INTERP_MAX)
 #define I_SHIFTED ((fluid_real_t)I - ((fluid_real_t)SINC_INTERP_ORDER / 2.0) + (fluid_real_t)(FLUID_INTERP_MAX - I2 - 1) / (fluid_real_t)FLUID_INTERP_MAX)
-#define ARG (GCEM_PI * I_SHIFTED)
+#define ARG (static_cast<double>(GCEM_PI) * I_SHIFTED)
 
         return gcem::fabs(I_SHIFTED) > 0.000001
         ? (gcem::sin(ARG) / (ARG)) * (0.5 * (1.0 + gcem::cos(2.0 * ARG / (fluid_real_t)SINC_INTERP_ORDER)))

src/gentables/fluid_pan.cpp

@@ -9,7 +9,7 @@ struct PanFunctor
     static constexpr fluid_real_t calc(int i)
     {
         /* initialize the pan conversion table */
-        return static_cast<fluid_real_t>(gcem::sin(i * (GCEM_HALF_PI / (FLUID_PAN_SIZE - 1.0L))));
+        return static_cast<fluid_real_t>(gcem::sin(i * (static_cast<double>(GCEM_HALF_PI) / (FLUID_PAN_SIZE - 1.0))));
     }
 };