add_float_tfloat add_int_tint add_tfloat_float add_tint_int add_tnumber_tnumber div_float_tfloat div_int_tint div_tfloat_float div_tint_int div_tnumber_tnumber mult_float_tfloat mult_int_tint mult_tfloat_float mult_tint_int mult_tnumber_tnumber sub_float_tfloat sub_int_tint sub_tfloat_float sub_tint_int sub_tnumber_tnumber tfloat_degrees tfloat_derivative tfloat_radians tnumber_abs

tfloat_derivative() Temporal * tfloat_derivative ( const Temporal *  temp ) Return the derivative of a temporal number. See also tfloatseq_derivative tfloatseqset_derivative SQL Function: derivative()