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use float (C99) variants of the math functions to avoid double <--> float casts 

SVN revision: 55488
This commit is contained in:
Vincent Torri 2010-12-11 07:51:19 +00:00
parent 7d368bd7a0
commit 5801dd69ff
1 changed files with 16 additions and 16 deletions
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32
legacy/embryo/src/lib/embryo_float.c
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@ -47,7 +47,7 @@
#include "Embryo.h"
#include "embryo_private.h"
#define PI 3.1415926535897932384626433832795
#define PI 3.1415926535897932384626433832795f
/* internally useful calls */
@ -57,9 +57,9 @@ _embryo_fp_degrees_to_radians(float angle, int radix)
switch (radix)
{
case 1: /* degrees, sexagesimal system (technically: degrees/minutes/seconds) */
return (float)(angle * PI / 180.0);
return (angle * PI / 180.0f);
case 2: /* grades, centesimal system */
return (float)(angle * PI / 200.0);
return (angle * PI / 200.0f);
default: /* assume already radian */
break;
}
@ -154,7 +154,7 @@ _embryo_fp_fract(Embryo_Program *ep __UNUSED__, Embryo_Cell *params)
if (params[0] != (1 * sizeof(Embryo_Cell))) return 0;
f = EMBRYO_CELL_TO_FLOAT(params[1]);
f -= (float)(floor((double)f));
f -= (floorf(f));
return EMBRYO_FLOAT_TO_CELL(f);
}
@ -171,17 +171,17 @@ _embryo_fp_round(Embryo_Program *ep __UNUSED__, Embryo_Cell *params)
switch (params[2])
{
case 1: /* round downwards (truncate) */
f = (float)(floor((double)f));
f = (floorf(f));
break;
case 2: /* round upwards */
f = (float)(ceil((double)f));
f = (ceilf(f));
break;
case 3: /* round towards zero */
if (f >= 0.0) f = (float)(floor((double)f));
else f = (float)(ceil((double)f));
if (f >= 0.0) f = (floorf(f));
else f = (ceilf(f));
break;
default: /* standard, round to nearest */
f = (float)(floor((double)f + 0.5));
f = (floorf(f + 0.5));
break;
}
return (Embryo_Cell)f;
@ -210,7 +210,7 @@ _embryo_fp_sqroot(Embryo_Program *ep, Embryo_Cell *params)
if (params[0] != (1 * sizeof(Embryo_Cell))) return 0;
f = EMBRYO_CELL_TO_FLOAT(params[1]);
f = (float)sqrt(f);
f = sqrtf(f);
if (f < 0)
{
embryo_program_error_set(ep, EMBRYO_ERROR_DOMAIN);
@ -229,7 +229,7 @@ _embryo_fp_power(Embryo_Program *ep __UNUSED__, Embryo_Cell *params)
if (params[0] != (2 * sizeof(Embryo_Cell))) return 0;
f = EMBRYO_CELL_TO_FLOAT(params[1]);
ff = EMBRYO_CELL_TO_FLOAT(params[2]);
f = (float)pow(f, ff);
f = powf(f, ff);
return EMBRYO_FLOAT_TO_CELL(f);
}
@ -248,8 +248,8 @@ _embryo_fp_log(Embryo_Program *ep, Embryo_Cell *params)
embryo_program_error_set(ep, EMBRYO_ERROR_DOMAIN);
return 0;
}
if (ff == 10.0) f = (float)log10(f);
else f = (float)(log(f) / log(ff));
if (ff == 10.0) f = log10f(f);
else f = (logf(f) / logf(ff));
return EMBRYO_FLOAT_TO_CELL(f);
}
@ -263,7 +263,7 @@ _embryo_fp_sin(Embryo_Program *ep __UNUSED__, Embryo_Cell *params)
if (params[0] != (2 * sizeof(Embryo_Cell))) return 0;
f = EMBRYO_CELL_TO_FLOAT(params[1]);
f = _embryo_fp_degrees_to_radians(f, params[2]);
f = sin(f);
f = sinf(f);
return EMBRYO_FLOAT_TO_CELL(f);
}
@ -277,7 +277,7 @@ _embryo_fp_cos(Embryo_Program *ep __UNUSED__, Embryo_Cell *params)
if (params[0] != (2 * sizeof(Embryo_Cell))) return 0;
f = EMBRYO_CELL_TO_FLOAT(params[1]);
f = _embryo_fp_degrees_to_radians(f, params[2]);
f = cos(f);
f = cosf(f);
return EMBRYO_FLOAT_TO_CELL(f);
}
@ -291,7 +291,7 @@ _embryo_fp_tan(Embryo_Program *ep __UNUSED__, Embryo_Cell *params)
if (params[0] != (2 * sizeof(Embryo_Cell))) return 0;
f = EMBRYO_CELL_TO_FLOAT(params[1]);
f = _embryo_fp_degrees_to_radians(f, params[2]);
f = tan(f);
f = tanf(f);
return EMBRYO_FLOAT_TO_CELL(f);
}